74ACT373B Ver la hoja de datos (PDF) - STMicroelectronics
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74ACT373B Datasheet PDF : 11 Pages
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74ACT373
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 5, 6, 9, 12,
15, 16,19
3, 4, 7, 8, 13,
14, 17, 18
11
10
20
SYMBOL
OE
Q0 to Q7
NAME AND FUNCTION
3 state Output Enable
Input (Active LOW)
3-State Outputs
D0 to D7 Data Inputs
LE
GND
VCC
Latch Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
INPUTS
OE
LE
D
H
X
X
L
L
X
L
H
L
L
H
H
X : Don’t care
Z : High Impedance
NOTE: Outputs are latched at the time when the input is taken LOW logic level
LOGIC DIAGRAM
OUTPUT
Q
Z
NO CHANGE
L
H
This logic diagram has not be used to estimate propagation delays
2/11
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