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SR Latch - Revision history
2024-03-28T19:51:05Z
Revision history for this page on the wiki
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https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=16449&oldid=prev
Chukwuemeka-tinashe: /* Exercises */
2021-11-27T23:18:33Z
<p><span dir="auto"><span class="autocomment">Exercises</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Exercises ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Exercises ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{<del style="font-weight: bold; text-decoration: none;">W1018</del>-<del style="font-weight: bold; text-decoration: none;">Exercises</del>}}</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>{{<ins style="font-weight: bold; text-decoration: none;">Exercises|</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* Visit the SR Latch in Falstad's editor <span style{{Equal}}"background:white">[https://www.falstad.com/circuit/circuitjs.html?cct{{Equal}}$+1+0.000005+10.20027730826997+50+5+50%0A153+272+288+544+288+0+2+5+5%0A153+272+128+544+128+0+2+0+5%0Aw+544+128+272+272+0%0Aw+544+288+272+144+0%0AL+272+112+160+112+0+0+false+5+0%0AL+272+304+160+304+0+0+false+5+0%0Ax+78+115+140+118+4+24+Reset%0Ax+84+309+120+312+4+24+Set%0AM+544+128+720+128+0+2.5%0AM+544+288+720+288+0+2.5%0Ax+750+126+768+129+4+24+Q%0Ax+748+296+766+299+6+24+Q%0Ax+335+67+483+70+4+36+SR%5CsLatch%0A here]</span>. Examine the output of an SR Latch, carefully toggling each of the inputs until you feel confident in your understanding of the latch.</ins></div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Excursions ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Excursions ==</div></td></tr>
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Chukwuemeka-tinashe
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=15568&oldid=prev
Austin-dlugosch: Clarifying that when Q is high it is true, and when it is low it is false, because I had some trouble understanding this.
2021-09-07T23:03:07Z
<p>Clarifying that when Q is high it is true, and when it is low it is false, because I had some trouble understanding this.</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:03, 7 September 2021</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>We've learned a lot about Boolean algebra and logic gates and how composition enables us to construct complex functionality from simple components. However, all functionality which we've considered so far presents an instantaneous value for output based upon the ''current'' input values. One of the most basic requirements of a computer is an ability to remember (or '''store''') values for later use. This experience will describe one means of storing values by building a latch out of the logic gates with which we are already familiar.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>We've learned a lot about Boolean algebra and logic gates and how composition enables us to construct complex functionality from simple components. However, all functionality which we've considered so far presents an instantaneous value for output based upon the ''current'' input values. One of the most basic requirements of a computer is an ability to remember (or '''store''') values for later use. This experience will describe one means of storing values by building a latch out of the logic gates with which we are already familiar.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== The SR Latch ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== The SR Latch ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In electronics, a latch is a circuit that has two stable states and can be used to store information. One of the most fundamental of these latches is an '''SR Latch'''. An SR Latch is able to ''capture'' its input value and preserve that value for use at a later time. An SR Latch has two inputs: The first is labeled '''set''' (or just ''S''); its role is to set the output <math>Q</math> high; the second is labeled '''reset''' (or just ''R''); its role is to reset the output <math>Q</math> to make it low. <math>\overline{Q}</math> will always be the negated value of <math>Q</math>. The interesting aspect of a latch, however, is that when we set ''both set and reset'' to low. In this case, the latch will hold the previous value, i.e. the new value of <math>Q</math> at time ''t'', <math>Q_t</math>, will be equal to the value at time ''t''-1, <math>Q_{t-1}</math>. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In electronics, a latch is a circuit that has two stable states and can be used to store information. One of the most fundamental of these latches is an '''SR Latch'''. An SR Latch is able to ''capture'' its input value and preserve that value for use at a later time. An SR Latch has two inputs: The first is labeled '''set''' (or just ''S''); its role is to set the output <math>Q</math> high<ins style="font-weight: bold; text-decoration: none;">, or true</ins>; the second is labeled '''reset''' (or just ''R''); its role is to reset the output <math>Q</math> to make it low<ins style="font-weight: bold; text-decoration: none;">, or false</ins>. <math>\overline{Q}</math> will always be the negated value of <math>Q</math>. The interesting aspect of a latch, however, is that when we set ''both set and reset'' to low. In this case, the latch will hold the previous value, i.e. the new value of <math>Q</math> at time ''t'', <math>Q_t</math>, will be equal to the value at time ''t''-1, <math>Q_{t-1}</math>. </div></td></tr>
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Austin-dlugosch
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=14891&oldid=prev
Yong-yan at 08:27, 22 June 2021
2021-06-22T08:27:36Z
<p></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikibooks.org/wiki/Digital_Circuits/Latches Latches] (Wikibooks)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikibooks.org/wiki/Digital_Circuits/Latches Latches] (Wikibooks)</div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|acquiredKnowledge=understand the construction and use of SR latches as the conceptual basis for memory</ins></div></td></tr>
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Yong-yan
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=14881&oldid=prev
Yong-yan at 06:10, 22 June 2021
2021-06-22T06:10:02Z
<p></p>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== <del style="font-weight: bold; text-decoration: none;">Prerequisites </del>==</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== <ins style="font-weight: bold; text-decoration: none;">Curriculum </ins>==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [[W1013 Boolean Algebra]]</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{MerlinCurriculumData|{{ROOTPAGENAME}}}}</ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [[W1014 Logic Gates]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [[W1016 Logic Composition]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Background ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Background ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Our memory enables us to remember an event after the original stimulus is gone. A ''latch'' is a device used to fasten something into place. In the case of an SR Latch, the role is to latch a single, binary digit enabling it to ''remember'' a value even after the original value (stimulus) is no longer present.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Our memory enables us to remember an event after the original stimulus is gone. A ''latch'' is a device used to fasten something into place. In the case of an SR Latch, the role is to latch a single, binary digit enabling it to ''remember'' a value even after the original value (stimulus) is no longer present.</div></td></tr>
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Yong-yan
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=14872&oldid=prev
Yong-yan: Yong-yan moved page W1018 SR Latch to SR Latch without leaving a redirect: Improved navigation
2021-06-22T06:01:02Z
<p>Yong-yan moved page <a href="/wiki/index.php?title=W1018_SR_Latch&action=edit&redlink=1" class="new" title="W1018 SR Latch (page does not exist)">W1018 SR Latch</a> to <a href="/wiki/index.php/SR_Latch" title="SR Latch">SR Latch</a> without leaving a redirect: Improved navigation</p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:01, 22 June 2021</td>
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Yong-yan
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=4886&oldid=prev
Chukwuemeka-tinashe: /* Exercises */
2019-10-06T14:22:05Z
<p><span dir="auto"><span class="autocomment">Exercises</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== References ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== References ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikibooks.org/wiki/Digital_Circuits/Latches Latches] (Wikibooks)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikibooks.org/wiki/Digital_Circuits/Latches Latches] (Wikibooks)</div></td></tr>
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Chukwuemeka-tinashe
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=4839&oldid=prev
Chukwuemeka-tinashe: /* The SR Latch */
2019-10-06T05:19:27Z
<p><span dir="auto"><span class="autocomment">The SR Latch</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>We've learned a lot about Boolean algebra and logic gates and how composition enables us to construct complex functionality from simple components. However, all functionality which we've considered so far presents an instantaneous value for output based upon the ''current'' input values. One of the most basic requirements of a computer is an ability to remember (or '''store''') values for later use. This experience will describe one means of storing values by building a latch out of the logic gates with which we are already familiar.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>We've learned a lot about Boolean algebra and logic gates and how composition enables us to construct complex functionality from simple components. However, all functionality which we've considered so far presents an instantaneous value for output based upon the ''current'' input values. One of the most basic requirements of a computer is an ability to remember (or '''store''') values for later use. This experience will describe one means of storing values by building a latch out of the logic gates with which we are already familiar.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== The SR Latch ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== The SR Latch ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>An SR Latch is able to ''capture'' its input value and preserve that value for use at a later time. An SR Latch has two inputs: The first is labeled '''set''' (or just ''S''); its role is to set the output <math>Q</math> high; the second is labeled '''reset''' (or just ''R''); its role is to reset the output <math>Q</math> to make it low. <math>\overline{Q}</math> will always be the negated value of <math>Q</math>. The interesting aspect of a latch, however, is that when we set ''both set and reset'' to low. In this case, the latch will hold the previous value, i.e. the new value of <math>Q</math> at time ''t'', <math>Q_t</math>, will be equal to the value at time ''t''-1, <math>Q_{t-1}</math>. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">In electronics, a latch is a circuit that has two stable states and can be used to store information. One of the most fundamental of these latches is an '''SR Latch'''. </ins>An SR Latch is able to ''capture'' its input value and preserve that value for use at a later time. An SR Latch has two inputs: The first is labeled '''set''' (or just ''S''); its role is to set the output <math>Q</math> high; the second is labeled '''reset''' (or just ''R''); its role is to reset the output <math>Q</math> to make it low. <math>\overline{Q}</math> will always be the negated value of <math>Q</math>. The interesting aspect of a latch, however, is that when we set ''both set and reset'' to low. In this case, the latch will hold the previous value, i.e. the new value of <math>Q</math> at time ''t'', <math>Q_t</math>, will be equal to the value at time ''t''-1, <math>Q_{t-1}</math>. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{| class="wikitable"</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{| class="wikitable"</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>! Reset </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>! Reset </div></td></tr>
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Chukwuemeka-tinashe
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=4832&oldid=prev
Chukwuemeka-tinashe: /* Key Concepts */
2019-10-06T04:29:11Z
<p><span dir="auto"><span class="autocomment">Key Concepts</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** <math>\color{White}Q</math> is set to low (reset) when ''reset'' (R) is high</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** <math>\color{White}Q</math> is set to low (reset) when ''reset'' (R) is high</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** <math>\color{White}Q</math> holds (latches) its previous value, when both S and R are low</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** <math>\color{White}Q</math> holds (latches) its previous value, when both S and R are low</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* An SR Latch can be easily constructed using two NOR gates</ins></div></td></tr>
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Chukwuemeka-tinashe
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=4831&oldid=prev
Chukwuemeka-tinashe: /* The SR Latch */
2019-10-06T04:28:26Z
<p><span dir="auto"><span class="autocomment">The SR Latch</span></span></p>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Note that the SR Latch relies on '''feedback''' in order to maintain its state.</ins></div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== SR Latch Graph ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== SR Latch Graph ==</div></td></tr>
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Chukwuemeka-tinashe
https://www.codermerlin.academy/wiki/index.php?title=SR_Latch&diff=4830&oldid=prev
Chukwuemeka-tinashe: /* Key Concepts */
2019-10-06T04:27:11Z
<p><span dir="auto"><span class="autocomment">Key Concepts</span></span></p>
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</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l76">Line 76:</td>
<td colspan="2" class="diff-lineno">Line 76:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Key Concepts ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Key Concepts ==</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{KeyConcepts|</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* An '''SR Latch''' is able to capture its input value and preserve that value for use at a later time</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* An SR Latch has two inputs: </ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** '''set''' (or just S)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** '''reset''' (or just R)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* An SR Latch's output is labeled <math>\color{White}Q</math></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** <math>\color{White}Q</math> is set to high (set) when ''set'' (S) is high</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** <math>\color{White}Q</math> is set to low (reset) when ''reset'' (R) is high</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** <math>\color{White}Q</math> holds (latches) its previous value, when both S and R are low</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">}}</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Exercises ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Exercises ==</div></td></tr>
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