74LCX574 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
74LCX574
STMicroelectronics
74LCX574 Datasheet PDF : 10 Pages
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74LCX574
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
PIN No SYMBOL NAME AND FUNCTION
INPUT
1
2, 3, 4, 5, 6,
7, 8, 9
OE
D0 to D7
3-State Output Enable
Input (Active LOW)
Data Inputs
OE
CK
D
H
X
X
L
X
12, 13, 14, Q0 to Q7 3-State Outputs
L
L
15, 16, 17,
18, 19
L
H
11
CK
Clock Input (LOW-to-HIGH
X : Don’t Care
Edge Triggered)
Z : High Impedance
10
GND Ground (0V)
20
VCC
Positive Supply Voltage
LOGIC DIAGRAM
OUTPUT
Q
Z
NO CHANGE
L
H
This logic diagram has not be used to estimate propagation delays
2/10
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