
7492 
Divide
By 12 Counter
4Bit Binary Counter
SN54/74LS92



For other 7400 series TTL IC
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The 7492 / 74LS92 counter
IC is a 4Bit ripple counter (4 cascaded counting elements). The
individual counting circuits inside are partitioned into two blocks,
one is a divide by two counter and the other capable of divide by 6,
which when combined together effectively implements a divide by 12,
perfect for the hour tracking register for a digital clock.
For the decade counter version refer to 74LS90.
For the hexadecimal counter (divide by 16 / 4bit counter) refer to
74LS93.
The counter contains gated master clear circuitry. 

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Features:
• Count Frequency — Typically 42 MHz 
