MC74AC190N View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

MFG CO.

MC74AC190N

Up/Down Counter with Preset and Ripple Clock

Motorola => Freescale 

DIRECTION

CONTROL

ENABLE

CLOCK

MC74AC190

U/D RC

CE

CP

U/D RC

CE

CP

U/D RC

CE

CP

Figure a: N-Stage Counter Using Ripple Clock

DIRECTION

CONTROL

ENABLE

U/D RC

CE

CP

U/D RC

CE

CP

U/D RC

CE

CP

CLOCK

Figure b: Synchronous N-Stage Counter Using Ripple Carry/Borrow

DIRECTION

CONTROL

ENABLE

U/D

CE

CP TC

U/D

CE

CP TC

U/D

CE

CP TC

CLOCK

Figure c: Synchronous N-Stage Counter With Parallel Gated Carry/Borrow

FACT DATA

5-3

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