HD74LV163AFPEL 查看數據表（PDF） - Renesas Electronics

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HD74LV163AFPEL

Synchronous 4-bit Binary Counter (Synchronous Clear)

Renesas Electronics 

HD74LV163A

Waveform − 5

Cascade mode

(set to maximum count number)

ENT

50%

50%

VCC

GND

CARRY

tpLH

50%

tpHL

VOH

50%

VOL

Note: 1. Input waveform: PRR≤1 MHz, duty cycle 50%, tr ≤3 ns, t f ≤3 ns

Application

Cascade circuitry

H: COUNT

L : DISABLE

INPUTS

H: COUNT

L : DISABLE

CLR

CLK

LD A B C D

ENP

ENT

CARRY

CK

CLR QA QB QC QD

OUTPUT

INPUTS

LD A B C D

ENP

ENT

CARRY

CK

CLR QA QB QC QD

OUTPUT

INPUTS

LD A B C D

ENP

ENT

CARRY

CK

CLR QA QB QC QD

OUTPUT

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Rev.5.00 Jun. 04, 2004 page 12 of 14

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