74HC/HCT125 Ver la hoja de datos (PDF) - NXP Semiconductors.
Número de pieza
componentes Descripción
Lista de partido
74HC/HCT125 Datasheet PDF : 6 Pages
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Philips Semiconductors
Quad buffer/line driver; 3-state
PIN DESCRIPTION
PIN NO.
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
7
14
SYMBOL
1OE to 4OE
1A to 4A
1Y to 4Y
GND
VCC
Product specification
74HC/HCT125
NAME AND FUNCTION
outputs enable inputs (active LOW)
data inputs
data outputs
ground (0 V)
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
(a)
(b)
Fig.3 IEC logic symbol.
FUNCTION TABLE
INPUTS
OUTPUT
nOE
nA
nY
L
L
L
L
H
H
H
X
Z
Note
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
Fig.4 Functional diagram.
Fig.5 Logic diagram (one buffer).
December 1990
3
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