74HC191 Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

74HC191

Presettable synchronous 4-bit binary up/down counter

NXP Semiconductors. 

Nexperia

PL

D0

D1

74HC191

Presettable synchronous 4-bit binary up/down counter

D2

D3

U/D

CE

CP

Fig. 8. Logic diagram

RC

TC

J CP K

SD FF1 RD

Q

Q

Q0

J CP K

SD FF1 RD

Q

Q

Q1

J CP K

SD FF1 RD

Q

Q

Q2

J CP K

SD FF1 RD

Q

Q

Q3

aaa-024382

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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