54F161A Datasheet | National Semiconductor

Obsolete 54F 74F161A 54F 74F163A Synchronous Presettable Binary Counter November 1994 54F 74F161A 54F 74F163A Synchronous Presettable Binary Counter General Description The ’F161A and ’F163A 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 multi-stage counters The ’F161A has an asynchronous Master-Reset input that overrides all other inputs and forces the outputs LOW The ’F163A has a Synchronous Reset input that overrides counting and parallel loading and allows the outputs to be simultaneously...