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74ACT573 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. 74ACT573
Description  OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74ACT573 Datasheet(HTML) 2 Page - STMicroelectronics

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INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t care
Z : High Impedance
NOTE: Outputs are latched at the time when the input is taken LOW logic level
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1OE
3 State Output Enable
Input (Active LOW)
2, 3, 4, 5, 6,
7, 8, 9
D0 to D7
Data Inputs
12, 13, 14,
15, 16, 17,
18, 19
Q0 to Q7
3-State Latch Outputs
11
LE
Latch Enable Input
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUTS
OUTPUT
OE
LE
D
Q
H
XXZ
L
L
X
NO CHANGE
LHL
L
LH
H
H


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