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74HC Scheda tecnica(PDF) 3 Page - NXP Semiconductors

Il numero della parte 74HC
Spiegazioni elettronici  Quad buffer/line driver; 3-state
PDF  6 Pages
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Produttore elettronici  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HC Scheda tecnica(HTML) 3 Page - NXP Semiconductors

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



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