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74ACT373 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. 74ACT373
Description  OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74ACT373 Datasheet(HTML) 2 Page - STMicroelectronics

 
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INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PI N No
SYMBOL
NAME AND F UNCTIO N
1
OE
3 State Output Enable
Input (Active LOW)
2, 5, 6,
9, 12, 15,
16, 19
Q0 to Q7
Data Inputs
3, 4, 7,
8, 13, 14,
17, 18
D0 to D7
3 State Outputs
11
LE
Latch Enable
Input
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
TRUTH TABLE
INPUTS
OUTPUT S
OE
L E
D
Q
HX
X
Z
L
L
X
NO CHANGE *
LH
L
L
LH
H
H
X: DON’T CARE
Z: HIGH IMPEDANCE
*: Q OUTPUTS ARE LATCHED AT THE TIME WHEN THE LE INPUT IS TAKEN LOW LOGIC LEVEL.
LOGIC DIAGRAMS
74ACT373
2/10


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