PI74FCT239TW Ver la hoja de datos (PDF) - Pericom Semiconductor
Número de pieza
componentes Descripción
Fabricante
PI74FCT239TW Datasheet PDF : 5 Pages
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PI74FCT139/239T
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PI74FCT139T Product Pin Configuration
Ea
A0a
A1a
O0a
O1a
O2a
O3a
GND
1
16
2
15
3 16-PIN 14
4 Q16 13
5 S16 12
6 W16 11
7
10
8
9
VCC
Eb
A0b
A1b
O0b
O1b
O2b
O3b
PI74FCT139T Product Pin Description
Pin Name
A0, A1
E
O0-O3
Description
Address Inputs
Enable Input (Active LOW)
Outputs (Active LOW)
PI74FCT139T Truth Table (1)
Inputs
Outputs
E
A0
A1
O0
O1
O2
O3
H
X
X
H
H
H
H
L
L
L
L
H
H
H
L
H
L
H
L
H
H
L
L
H
H
H
L
H
L
H
H
H
H
H
L
Note:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
PI74FCT239T Product Pin Configuration
Ea
A0a
A1a
O0a
O1a
O2a
O3a
GND
1
16
2
15
3 16-PIN 14
4 Q16 13
5 S16 12
6 W16 11
7
10
8
9
VCC
Eb
A0b
A1b
O0b
O1b
O2b
O3b
PI74FCT239T Product Pin Description
Pin Name
A0, A1
E
O0-O3
Description
Address Inputs
Enable Input (Active LOW)
Outputs (Active HIGH)
PI74FCT239T Truth Table (1)
Inputs
Outputs
E
A0
A1
O0
O1
O2
O3
H
X
X
L
L
L
L
L
L
L
H
L
L
L
L
H
L
L
H
L
L
L
L
H
L
L
H
L
L
H
H
L
L
L
H
Note:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
2
PS2006B 11/11/97
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