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M74HC161 데이터 시트보기 (PDF) - STMicroelectronics
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M74HC161
SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
STMicroelectronics
M74HC161 Datasheet PDF : 16 Pages
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M54/M74HC160/161/162/163
INPUT AND OUTPUT EQUIVALENT CIRCUIT
IEC LOGIC SYMBOL
(HC160)
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
V
CC
NAME AND FUNCTION
Asynchronous 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
(HC161)
IEC LOGIC SYMBOL
(HC162)
IEC LOGIC SYMBOL
(HC163)
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