74LVC161 datasheet(3/14 Pages) PHILIPS

부품명	74LVC161

상세설명	Presettable synchronous 4-bit binary counter; asynchronous reset

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제조업체	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74LVC161

Presettable synchronous 4-bit binary counter;

asynchronous reset

1998 May 20

PIN CONFIGURATION

CEP

VCC

CET

GND

SF00656

LOGIC SYMBOL

CEP CET

710

VCC = Pin 16

GND = Pin 8

9PE

SY00065

PIN DESCRIPTION

PIN NUMBER

SYMBOL

FUNCTION

asynchronous master

reset (active LOW)

clock input (LOW-to-HIGH,

edge-triggered)

3,4,5,6

D0 to D3

data inputs

CEP

count enable inputs

GND

ground (0V)

parallel enable input

(active LOW)

CET

count enable carry input

14,13,12,11

Q0 to Q3

flip-flop outputs

terminal count output

VCC

positive supply voltage

LOGIC SYMBOL (IEEE/IEC)

1,2 D

4 CT=15

C2 /1,3,4+

CTR4

SY00066

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