M74HCT160 Просмотр технического описания (PDF) - STMicroelectronics

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M74HCT160

SYNCHRONOUS PRESETTABLE 4-BIT COUNTER

STMicroelectronics 

M54/M74HCT160/161/162/163

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

PIN No

1

2

3, 4, 5, 6

7

10

9

14, 13, 12,

11

15

8

16

SYMBOL

CLEAR

CLOCK

A, B, C, D

ENABLE P

ENABLET

LOAD

QA to QD

CARRY

OUTPUT

GND

VCC

NAME AND FUNCTION

Master Reset

Clock Input (LOW to

HIGH, Edge-triggered)

Data Inputs

Count Enable Input

Count Enable Carry Input

Parallel Enable Input

Flip Flop Outputs

Terminal Count Output

Ground (0V)

Positive Supply Voltage

IEC LOGIC SYMBOL (HCT160)

IEC LOGIC SYMBOL (HCT161)

IEC LOGIC SYMBOL (HCT162)

IEC LOGIC SYMBOL (HCT163)

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