74AC169 Datasheet | National Semiconductor

54AC 74AC16954ACT 74ACT169 4-Stage Synchronous Bidirectional Counter April 1993 54AC 74AC16954ACT 74ACT169 4-Stage Synchronous Bidirectional Counter General Description The ’AC ’ACT169 is fully synchronous 4-stage up down counter The ’AC ’ACT169 is a modulo-16 binary counter It Features a preset capability for programmable operation carry lookahead for easy cascading and a U D input to control the direction of counting All state changes whether in counting or parallel loading are initiated by the LOW-toHIGH transition of the Clock Features Y ICC reduced by 50% Y Synchronous counting and loading Y Built-In lookahead carry capability Y Presettable for programmable operation Y Outputs...