M54HC163C1R 데이터 시트보기 (PDF) - STMicroelectronics

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M54HC163C1R

SYNCHRONOUS PRESETTABLE 4-BIT COUNTER

STMicroelectronics 

M54/M74HC160/161/162/163

TRUTH TABLE

M54/74HC160/161

INPUTS

M54/74HC162/163

INPUTS

OUTPUTS

CLR LD PE TE CK CLR LD PE TE CK QA QB QC QD

L XXX X L XX X

LLLL

HL XX

HLXX

ABCD

HHX L

HHX L

NO CHANGE

HH LX

HHL X

NO CHANGE

HHHH

HHHH

COUNT UP

H

Note:

XXX

XXXX

X

: Don’t Care

A, B, C, D : Logi level of data inputs

Carry

: CARRY = TE • QA • QB • QC • QD ............ (M54/74HC160/162)

: CARRY = TE • QA • QB • QC • QD ............ (M54/74HC161/163)

NO CHANGE

FUNCTION

RESET TO ”0”

PRESET DATA

NO COUNT

NO COUNT

COUNT

NO COUNT

TIMING CHART (HC160/162 : decade counter)

3/16

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