M74HC592 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

M74HC592

8 BIT REGISTER BINARY COUNTER

STMicroelectronics 

M74HC592

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

PIN No

1 to 7, 15

9

10

11

12

13

14

8

16

SYMBOL

A to H

RCO

CCLR

CCK

CCKEN

RCK

CLOAD

GND

VCC

NAME AND FUNCTION

Data Inputs

Ripple Carry Output

Counter Clear Input

Counter Clock Input

Counter Clock Enable

Input

Register Clock Input

Counter Load Input

Ground (0V)

Positive Supply Voltage

TRUTH TABLE

RCK

INPUTS

CLOAD CCLR CCKEN

CCK

OUTPUT

x

L

H

X

X

x

H

L

X

X

REGISTER DATA IS LOADED INTO COUNTER

COUNTER CLEAR

H

H

X

X

THE DATA OF A THRU H INPUTS IS STORED INTO REGISTER

H

H

X

X

REGISTER STATE IS NOT CHANGED

X

H

H

L

COUNTER ADVANCES THE COUNT

X

H

H

L

X

H

H

H

X

NO COUNT

NO COUNT

X: Don’t Care

RCO = QA’·QB’·QC’·QD’·QE’·QF’·QG’·QH’ (QA’ to QH’ : INTERNAL OUTPUTS OF THE COUNTER)

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