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M74HC273 Fiches technique(PDF) 2 Page - STMicroelectronics

No de pièce M74HC273
Description  OCTAL D TYPE FLIP FLOP WITH CLEAR
PDF  11 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC273 Fiches technique(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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