<p style="user-select: auto;">Adder</p>

<p style="user-select: auto;">Substractor</p>

<p style="user-select: auto;">latches </p>

<p style="user-select: auto;">memory </p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58);"> 2 BCD counters</span></p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58); user-select: auto;"> 3 BCD counters</span></p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58); user-select: auto;"> 4 BCD counters</span></p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58); user-select: auto;"> 5 BCD counters</span></p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58);">Low-frequency applications are limited because of internal propagation delays</span></p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58);">High-frequency applications are limited because of internal propagation delays</span></p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58);">Asynchronous counters do not have major drawbacks and are suitable for use in high- and low-frequency counting applications</span></p>

<p style="user-select: auto;"><span style="color: rgb(58, 58, 58);"> Asynchronous counters do not have propagation delays, which limits their use in high-frequency applications</span></p>