54AC161 • 54ACT161 Synchronous Presettable Binary Counter November 1998 54AC161 • 54ACT161 Synchronous Presettable Binary Counter General Description The ’AC/’ACT161 are high-speed synchronous modulo-16 binary counters.
They are synchronously presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming synchronous multistage counters.
The ’AC/ ’ACT161 has an asynchronous Master Reset input that overrides all other inputs and forces the outputs LOW.
n n n n n n Synchronous counting and loading High-speed synchronous expansion Typical count rate of 125 MHz Outputs source/sink 24 mA ...

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