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M54HC273F1R Datasheet(PDF) 2 Page - STMicroelectronics

Part # M54HC273F1R
Description  OCTAL D TYPE FLIP FLOP WITH CLEAR
PDF  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC273F1R Datasheet(HTML) 2 Page - STMicroelectronics

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TRUTH TABLE
INPUTS
OUTPUS
FUNCTION
CLEAR
CLOCK
D
Q
L
X
X
L
CLEAR
HL
L
HH
H
H
X
Qn
NO CHANGE
X: Don’t Care
LOGIC DIAGRAM
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
1
CLEAR
Master Reset Input
(Active LOW)
2, 5, 6, 9,
12, 15, 16,
19
Q0 to Q7
Flip Flop Outputs
3, 4, 7, 8,
13, 14, 17,
18
D0 to D7
Data Inputs
11
CLOCK
Clock Input (LOW to
HIGH, Edge Triggered)
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
IEC LOGIC SYMBOL
M54/M74HC273
2/11



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