74VHC165FT - 74VHC165FT.html

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  74VHC165FT
</div>

<div class="header">
  <h1>74VHC165FT — <span class="value">8-Bit Shift Register</span></h1>
  <div class="subtitle">Toshiba &middot; 8-Bit Parallel-In / Serial-Out Shift Register &middot; CMOS C&sup2;MOS &middot; TSSOP-16</div>
  <div class="tags">
    <span class="tag tag-ic">IC</span>
    <span class="tag tag-family">VHC Family</span>
    <span class="tag tag-pkg">TSSOP-16</span>
    <span class="tag tag-auto">AEC-Q100</span>
  </div>
</div>

<!-- Hero cards -->
<div class="hero-grid">
  <div class="hero-card">
    <div class="label">Supply Voltage</div>
    <div class="val">2.0&ndash;5.5V</div>
    <div class="unit">wide operating range</div>
  </div>
  <div class="hero-card">
    <div class="label">Max Clock Freq</div>
    <div class="val">150 MHz</div>
    <div class="unit">typ. @ V<sub>CC</sub>=5V, C<sub>L</sub>=15pF</div>
  </div>
  <div class="hero-card">
    <div class="label">Quiescent I<sub>CC</sub></div>
    <div class="val">4.0 &mu;A</div>
    <div class="unit">max @ 25&deg;C</div>
  </div>
  <div class="hero-card">
    <div class="label">Propagation Delay</div>
    <div class="val">8.1 ns</div>
    <div class="unit">typ. CK&rarr;QH @ 5V, 50pF</div>
  </div>
  <div class="hero-card">
    <div class="label">Operating Temp</div>
    <div class="val">-40 to +125&deg;C</div>
    <div class="unit">automotive grade</div>
  </div>
  <div class="hero-card">
    <div class="label">Package</div>
    <div class="val">TSSOP-16</div>
    <div class="unit">5.0 &times; 4.4 mm body</div>
  </div>
</div>

<!-- Pin Assignment + Truth Table -->
<div class="two-col">
  <div class="section">
    <h2>Pin Assignment</h2>
    <table class="pin-table">
      <tr><th>Pin</th><th>Name</th><th>Type</th><th>Description</th></tr>
      <tr><td>1</td><td class="pin-name"><span style="text-decoration:overline">S/L</span></td><td><span class="pin-type pin-type-ctrl">Control</span></td><td>Shift / Load (active-low load)</td></tr>
      <tr><td>2</td><td class="pin-name">CK</td><td><span class="pin-type pin-type-ctrl">Control</span></td><td>Clock input</td></tr>
      <tr><td>3</td><td class="pin-name">E</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>4</td><td class="pin-name">F</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>5</td><td class="pin-name">G</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>6</td><td class="pin-name">H</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>7</td><td class="pin-name"><span style="text-decoration:overline">QH</span></td><td><span class="pin-type pin-type-output">Output</span></td><td>Complementary serial output</td></tr>
      <tr><td>8</td><td class="pin-name">GND</td><td><span class="pin-type pin-type-power">Power</span></td><td>Ground</td></tr>
      <tr><td>9</td><td class="pin-name">QH</td><td><span class="pin-type pin-type-output">Output</span></td><td>Serial output</td></tr>
      <tr><td>10</td><td class="pin-name">SI</td><td><span class="pin-type pin-type-input">Input</span></td><td>Serial data input</td></tr>
      <tr><td>11</td><td class="pin-name">A</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>12</td><td class="pin-name">B</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>13</td><td class="pin-name">C</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>14</td><td class="pin-name">D</td><td><span class="pin-type pin-type-input">Input</span></td><td>Parallel data input</td></tr>
      <tr><td>15</td><td class="pin-name">CK INH</td><td><span class="pin-type pin-type-ctrl">Control</span></td><td>Clock inhibit</td></tr>
      <tr><td>16</td><td class="pin-name">V<sub>CC</sub></td><td><span class="pin-type pin-type-power">Power</span></td><td>Supply voltage</td></tr>
    </table>
  </div>

  <div class="section">
    <h2>Truth Table</h2>
    <table class="truth-table">
      <tr>
        <th colspan="5" class="hdr-inputs">Inputs</th>
        <th colspan="4" class="hdr-outputs">Outputs</th>
      </tr>
      <tr>
        <th><span style="text-decoration:overline">S/L</span></th><th>CK INH</th><th>CK</th><th>SI</th><th>A&hellip;H</th>
        <th>QA</th><th>QB</th><th>QH</th><th><span style="text-decoration:overline">QH</span></th>
      </tr>
      <tr>
        <td class="logic-l">L</td><td class="logic-x">X</td><td class="logic-x">X</td><td class="logic-x">X</td><td>a&hellip;h</td>
        <td>a</td><td>b</td><td>h</td><td><span style="text-decoration:overline">h</span></td>
      </tr>
      <tr>
        <td class="logic-h">H</td><td class="logic-l">L</td><td class="logic-edge">&uarr;</td><td class="logic-h">H</td><td class="logic-x">X</td>
        <td class="logic-h">H</td><td>QA<sub>n</sub></td><td>QG<sub>n</sub></td><td><span style="text-decoration:overline">QG<sub>n</sub></span></td>
      </tr>
      <tr>
        <td class="logic-h">H</td><td class="logic-l">L</td><td class="logic-edge">&uarr;</td><td class="logic-l">L</td><td class="logic-x">X</td>
        <td class="logic-l">L</td><td>QA<sub>n</sub></td><td>QG<sub>n</sub></td><td><span style="text-decoration:overline">QG<sub>n</sub></span></td>
      </tr>
      <tr>
        <td class="logic-h">H</td><td class="logic-x">X</td><td class="logic-h">H</td><td class="logic-x">X</td><td class="logic-x">X</td>
        <td colspan="4" style="text-align:center;color:var(--dim);">No Change</td>
      </tr>
      <tr>
        <td class="logic-h">H</td><td class="logic-h">H</td><td class="logic-x">X</td><td class="logic-x">X</td><td class="logic-x">X</td>
        <td colspan="4" style="text-align:center;color:var(--dim);">No Change</td>
      </tr>
    </table>
    <div class="note">
      <strong>Operation:</strong> When <span style="text-decoration:overline">S/L</span> is LOW, parallel data (A&ndash;H) is loaded on the rising clock edge. When <span style="text-decoration:overline">S/L</span> is HIGH, serial data shifts through on each rising clock edge. CK INH must be LOW to enable the clock.
    </div>
  </div>
</div>

<!-- DC Characteristics -->
<div class="section">
  <h2>DC Characteristics (T<sub>a</sub> = 25&deg;C)</h2>
  <table>
    <tr><th>Parameter</th><th>Symbol</th><th>Condition</th><th>V<sub>CC</sub></th><th class="val-col">Min</th><th class="val-col">Typ.</th><th class="val-col">Max</th><th>Unit</th></tr>
    <tr><td>High-level input voltage</td><td>V<sub>IH</sub></td><td>&mdash;</td><td>2.0V</td><td class="val-col">1.50</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td>V</td></tr>
    <tr><td></td><td></td><td>&mdash;</td><td>3.0&ndash;5.5V</td><td class="val-col">V<sub>CC</sub>&times;0.7</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td>V</td></tr>
    <tr><td>Low-level input voltage</td><td>V<sub>IL</sub></td><td>&mdash;</td><td>2.0V</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td class="val-col">0.50</td><td>V</td></tr>
    <tr><td></td><td></td><td>&mdash;</td><td>3.0&ndash;5.5V</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td class="val-col">V<sub>CC</sub>&times;0.3</td><td>V</td></tr>
    <tr class="highlight-row"><td>High-level output voltage</td><td>V<sub>OH</sub></td><td>I<sub>OH</sub> = -4 mA</td><td>3.0V</td><td class="val-col">2.58</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td>V</td></tr>
    <tr class="highlight-row"><td></td><td></td><td>I<sub>OH</sub> = -8 mA</td><td>4.5V</td><td class="val-col">3.94</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td>V</td></tr>
    <tr><td>Low-level output voltage</td><td>V<sub>OL</sub></td><td>I<sub>OL</sub> = 4 mA</td><td>3.0V</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td class="val-col">0.36</td><td>V</td></tr>
    <tr><td></td><td></td><td>I<sub>OL</sub> = 8 mA</td><td>4.5V</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td class="val-col">0.36</td><td>V</td></tr>
    <tr><td>Input leakage current</td><td>I<sub>IN</sub></td><td>V<sub>IN</sub> = 5.5V or GND</td><td>0&ndash;5.5V</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td class="val-col">&plusmn;0.1</td><td>&mu;A</td></tr>
    <tr class="highlight-row"><td>Quiescent supply current</td><td>I<sub>CC</sub></td><td>V<sub>IN</sub> = V<sub>CC</sub> or GND</td><td>5.5V</td><td class="val-col">&mdash;</td><td class="val-col">&mdash;</td><td class="val-col">4.0</td><td>&mu;A</td></tr>
  </table>
</div>

<!-- AC Characteristics -->
<div class="two-col">
  <div class="section">
    <h2>AC Characteristics (T<sub>a</sub> = 25&deg;C)</h2>
    <table class="timing-table">
      <tr><th>Parameter</th><th>V<sub>CC</sub></th><th>C<sub>L</sub></th><th class="val-col">Typ.</th><th class="val-col">Max</th><th>Unit</th></tr>
      <tr><td><span class="param">t<sub>PLH</sub>/t<sub>PHL</sub></span> CK&rarr;QH</td><td>3.3V</td><td>50pF</td><td class="val-col">12.4</td><td class="val-col">18.9</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td>50pF</td><td class="val-col">8.1</td><td class="val-col">11.9</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>PLH</sub>/t<sub>PHL</sub></span> <span style="text-decoration:overline">S/L</span>&rarr;QH</td><td>3.3V</td><td>50pF</td><td class="val-col">12.4</td><td class="val-col">19.3</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td>50pF</td><td class="val-col">8.2</td><td class="val-col">11.9</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>PLH</sub>/t<sub>PHL</sub></span> H&rarr;QH</td><td>3.3V</td><td>50pF</td><td class="val-col">11.7</td><td class="val-col">17.6</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td>50pF</td><td class="val-col">7.4</td><td class="val-col">11.0</td><td>ns</td></tr>
      <tr><td><span class="param">f<sub>MAX</sub></span></td><td>3.3V</td><td>50pF</td><td class="val-col">105</td><td class="val-col">&mdash;</td><td>MHz</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td>50pF</td><td class="val-col">130</td><td class="val-col">&mdash;</td><td>MHz</td></tr>
      <tr><td><span class="param">C<sub>IN</sub></span></td><td colspan="2">&mdash;</td><td class="val-col">4</td><td class="val-col">10</td><td>pF</td></tr>
      <tr><td><span class="param">C<sub>PD</sub></span></td><td colspan="2">&mdash;</td><td class="val-col">50</td><td class="val-col">&mdash;</td><td>pF</td></tr>
    </table>
  </div>

  <div class="section">
    <h2>Timing Requirements (T<sub>a</sub> = 25&deg;C)</h2>
    <table class="timing-table">
      <tr><th>Parameter</th><th>V<sub>CC</sub></th><th class="val-col">Limit</th><th>Unit</th></tr>
      <tr><td><span class="param">t<sub>w</sub></span> CK pulse width</td><td>3.3V</td><td class="val-col">6.0</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td class="val-col">4.0</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>w</sub></span> <span style="text-decoration:overline">S/L</span> pulse width</td><td>3.3V</td><td class="val-col">7.5</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td class="val-col">5.0</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>S</sub></span> PI &rarr; <span style="text-decoration:overline">S/L</span></td><td>3.3V</td><td class="val-col">7.5</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td class="val-col">5.0</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>S</sub></span> SI &rarr; CK</td><td>3.3V</td><td class="val-col">5.0</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td class="val-col">4.0</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>h</sub></span> PI &rarr; <span style="text-decoration:overline">S/L</span></td><td>3.3V</td><td class="val-col">0.5</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td class="val-col">1.0</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>h</sub></span> SI &rarr; CK</td><td>3.3V</td><td class="val-col">0.0</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td class="val-col">0.5</td><td>ns</td></tr>
      <tr><td><span class="param">t<sub>rem</sub></span> CK INH &harr; CK</td><td>3.3V</td><td class="val-col">5.0</td><td>ns</td></tr>
      <tr class="highlight-row"><td></td><td>5.0V</td><td class="val-col">3.5</td><td>ns</td></tr>
    </table>
  </div>
</div>

<!-- Absolute Maximum Ratings + Operating Ranges -->
<div class="two-col">
  <div class="section">
    <h2>Absolute Maximum Ratings</h2>
    <table class="abs-max">
      <tr><th>Parameter</th><th>Symbol</th><th class="val-col">Rating</th><th>Unit</th></tr>
      <tr><td>Supply voltage</td><td>V<sub>CC</sub></td><td class="val-col warning">-0.5 to 7.0</td><td>V</td></tr>
      <tr><td>Input voltage</td><td>V<sub>IN</sub></td><td class="val-col">-0.5 to 7.0</td><td>V</td></tr>
      <tr><td>Output voltage</td><td>V<sub>OUT</sub></td><td class="val-col">-0.5 to V<sub>CC</sub>+0.5</td><td>V</td></tr>
      <tr><td>Input diode current</td><td>I<sub>IK</sub></td><td class="val-col">-20</td><td>mA</td></tr>
      <tr><td>Output diode current</td><td>I<sub>OK</sub></td><td class="val-col">&plusmn;20</td><td>mA</td></tr>
      <tr><td>Output current</td><td>I<sub>OUT</sub></td><td class="val-col">&plusmn;25</td><td>mA</td></tr>
      <tr><td>V<sub>CC</sub>/GND current</td><td>I<sub>CC</sub></td><td class="val-col">&plusmn;50</td><td>mA</td></tr>
      <tr><td>Power dissipation</td><td>P<sub>D</sub></td><td class="val-col">180</td><td>mW</td></tr>
      <tr><td>Storage temperature</td><td>T<sub>stg</sub></td><td class="val-col">-65 to 150</td><td>&deg;C</td></tr>
    </table>
    <div class="note">
      P<sub>D</sub> = 180 mW for T<sub>a</sub> = -40 to 85&deg;C. Derate at -3.25 mW/&deg;C above 85&deg;C down to 50 mW at 125&deg;C.
    </div>
  </div>

  <div class="section">
    <h2>Package &amp; Dimensions</h2>
    <table>
      <tr><td>Package</td><td><span class="dims-highlight">TSSOP-16 (TSSOP16B)</span></td></tr>
      <tr><td>Body length</td><td>5.0 &plusmn; 0.1 mm</td></tr>
      <tr><td>Body width</td><td>4.4 &plusmn; 0.1 mm</td></tr>
      <tr><td>Overall width (with leads)</td><td>6.4 &plusmn; 0.2 mm</td></tr>
      <tr><td>Height</td><td>1.2 mm max</td></tr>
      <tr><td>Lead pitch</td><td>0.65 mm</td></tr>
      <tr><td>Lead width</td><td>0.19&ndash;0.30 mm</td></tr>
      <tr><td>Lead foot length</td><td>0.45&ndash;0.75 mm</td></tr>
      <tr><td>Weight</td><td>0.055 g (typ.)</td></tr>
    </table>
    <div class="note" style="margin-top:14px;">
      <strong>Power consumption formula:</strong><br>
      I<sub>CC(opr)</sub> = C<sub>PD</sub> &times; V<sub>CC</sub> &times; f<sub>IN</sub> + I<sub>CC</sub><br>
      At 5V / 10 MHz: ~2.5 mA + 4 &mu;A &asymp; <strong>2.5 mA</strong>
    </div>
  </div>
</div>

<!-- Extended temp characteristics -->
<div class="section">
  <h2>Temperature Derating Summary</h2>
  <table>
    <tr><th>Parameter</th><th>Symbol</th><th class="val-col">25&deg;C</th><th class="val-col">-40 to 85&deg;C</th><th class="val-col">-40 to 125&deg;C</th><th>Unit</th></tr>
    <tr><td>Quiescent I<sub>CC</sub> (max)</td><td>I<sub>CC</sub></td><td class="val-col">4.0</td><td class="val-col">40.0</td><td class="val-col">80.0</td><td>&mu;A</td></tr>
    <tr><td>Input leakage (max)</td><td>I<sub>IN</sub></td><td class="val-col">&plusmn;0.1</td><td class="val-col">&plusmn;1.0</td><td class="val-col">&plusmn;2.0</td><td>&mu;A</td></tr>
    <tr><td>V<sub>OL</sub> @ I<sub>OL</sub>=4mA (max)</td><td>V<sub>OL</sub></td><td class="val-col">0.36</td><td class="val-col">0.44</td><td class="val-col">0.55</td><td>V</td></tr>
    <tr><td>V<sub>OH</sub> @ I<sub>OH</sub>=-4mA, 3V (min)</td><td>V<sub>OH</sub></td><td class="val-col">2.58</td><td class="val-col">2.48</td><td class="val-col">2.40</td><td>V</td></tr>
    <tr><td>Prop delay CK&rarr;QH @ 5V, 50pF (max)</td><td>t<sub>PHL</sub></td><td class="val-col">11.9</td><td class="val-col">13.5</td><td class="val-col">15.0</td><td>ns</td></tr>
    <tr><td>f<sub>MAX</sub> @ 5V, 50pF (min)</td><td>f<sub>MAX</sub></td><td class="val-col">95</td><td class="val-col">85</td><td class="val-col">75</td><td>MHz</td></tr>
    <tr><td>Max power dissipation</td><td>P<sub>D</sub></td><td class="val-col">180</td><td class="val-col">180</td><td class="val-col">50</td><td>mW</td></tr>
  </table>
</div>

<div class="section">
  <h2>Features</h2>
  <table>
    <tr><td>AEC-Q100 (Rev. H) compliant</td><td>Automotive qualified</td></tr>
    <tr><td>Wide operating voltage</td><td>2.0V to 5.5V &mdash; interfaces 3.3V and 5V systems</td></tr>
    <tr><td>Power-down protection</td><td>All inputs protected; 0&ndash;5.5V safe regardless of V<sub>CC</sub></td></tr>
    <tr><td>Balanced propagation delays</td><td>t<sub>PLH</sub> &asymp; t<sub>PHL</sub></td></tr>
    <tr><td>High noise immunity</td><td>V<sub>NIH</sub> = V<sub>NIL</sub> = 28% V<sub>CC</sub> (min)</td></tr>
    <tr><td>Pin compatible</td><td>74AC/HC/AHC165 families</td></tr>
  </table>
</div>

<div class="footer">
  Datasheet: Toshiba 74VHC165FT Rev.4.0.B (2026-05-13) &middot; All specs from manufacturer datasheet &middot; <a href="#">Adom Wiki</a>
</div>

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