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54HC697 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Lista de partido
54HC697
HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER (3-STATE) , HC696/698 U/D DECADE COUNTER/REGISTER (3-STA
STMicroelectronics
54HC697 Datasheet PDF : 22 Pages
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M54/M74HC696/697/698/699
PIN DESCRIPTION
PIN No
1
2
3, 4, 5, 6
7, 14
8
9
11
12
13
15, 16, 17,
18
19
10
20
SYMBOL
U/D
CCK
A to D
EMP/ENT
CCLR
RCK
R/C
G
LOAD
QA to QD
RCO
GND
V
CC
NAME AND FUNCTION
Up Down Counter Selector
Counter Clock
Data Inputs
Enable P and T
Counter Clear (Active
LOW)
Register Clock
Register Counter Selector
Enable Input
Load Counter (Active
LOW)
Data Outputs
Load Counter (Active
HIGH)
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOL
INPUT AND OUTPUT EQUIVALENT CIRCUIT
HC696
HC697
HC698
2/22
HC699
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