74HC191D View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
74HC191D Datasheet PDF : 19 Pages
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Nexperia
DIRECTION
CONTROL
ENABLE
CLOCK
U/D RC
CE
CP
74HC191
Presettable synchronous 4-bit binary up/down counter
U/D RC
CE
CP
U/D RC
CE
CP
Fig. 5. N-stage ripple counter using ripple clock
DIRECTION
CONTROL
ENABLE
U/D RC
CE
CP
U/D RC
CE
CP
aaa-024379
U/D RC
CE
CP
CLOCK
Fig. 6. Synchronous n-stage counter using ripple carry/borrow
DIRECTION
CONTROL
ENABLE
U/D
CE
CP TC
U/D
CE
CP TC
aaa-024380
U/D
CE
CP TC
CLOCK
Fig. 7. Synchronous n-stage counter with parallel gated carry/borrow
aaa-024381
74HC191
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 5 October 2018
© Nexperia B.V. 2018. All rights reserved
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