M54HC292C1R 데이터 시트보기 (PDF) - STMicroelectronics
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M54HC292C1R Datasheet PDF : 14 Pages
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M54/M74HC292/7292/294/7294
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(TOTEM POLE OUTPUT)
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(OPEN DRAIN OUTPUT, HC292/294)
PIN DESCRIPTION (HC292/7292)
PIN No
4, 5
1, 2, 10,
14, 15
3, 6, 13
11
7
8
16
SYMBOL
CLK1,
CLK2
A to E
NAME AND FUNCTION
input Clock
Program Inputs
TP1, TP2,
TP3
CLR
Q
GND
VCC
Test Point Outputs
Clear (Active LOW)
Output
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOLS
HC292/HC7292
PIN DESCRIPTION (HC294/7294)
PIN No
4, 5
1, 2, 14, 15
3
11
7
8
16
SYMBOL
CLK1,
CLK2
A to D
TP1
CLR
Q
GND
VCC
NAME AND FUNCTION
input Clock
Program Inputs
Test Point Output
Clear (Active LOW)
Output
Ground (0V)
Positive Supply Voltage
HC294/HC7294
TRUTH TABLE
CLEAR
L
H
H
H
H
2/14
CLOCK1
X
L
H
X
CLOCK2
X
L
X
H
Q OUTPUT MODE
CLEARED TO L
UP COUNT
NO CHANGE
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