PI74FCT238TQ Ver la hoja de datos (PDF) - Pericom Semiconductor Corporation
Número de pieza
componentes Descripción
Lista de partido
PI74FCT238TQ Datasheet PDF : 6 Pages
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PI74FCT138/238T
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PI74FCT238T Product Pin Configuration
A0
A1
A2
E1
E2
E3
O7
GND
1
16
2
15
3 16-PIN 14
4 Q16 13
5 S16 12
6 W16 11
7
10
8
9
VCC
O0
O1
O2
O3
O4
O5
O6
PI74FCT238T Product Pin Description
Pin Name
A0-A2
E1, E2
E3
O0-O7
Description
Address Inputs
Enable Inputs (Active LOW)
Enable Input (Active HIGH)
Outputs (Active HIGH)
PI74FCT238T Truth Table (1)
Inputs
Outputs
E1
E2
E3
A0
A1
A2
O0 O1 O2 O3 O4 O5 O6 O7 Function
H
X
X
X
X
X
L
L
L
L
L
L
L
L Disable
X
H
X
X
X
X
L
L
L
L
L
L
L
L Disable
X
X
L
X
X
X
L
L
L
L
L
L
L
L Disable
L
L
H
L
L
L
H
L
L
L
L
L
L
L A2-0 = 0
L
L
H
H
L
L
L
H
L
L
L
L
L
L A2-0 = 1
L
L
H
L
H
L
L
L
H
L
L
L
L
L A2-0 = 2
L
L
H
H
H
L
L
L
L
H
L
L
L
L A2-0 = 3
L
L
H
L
L
H
L
L
L
L
H
L
L
L A2-0 = 4
L
L
H
H
L
H
L
L
L
L
L
H
L
L A2-0 = 5
L
L
H
L
H
H
L
L
L
L
L
L
H
L A2-0 = 6
L
L
H
H
H
H
L
L
L
L
L
L
L
H A2-0 = 7
Note:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
3
PS2004A 03/09/96
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