HD74LS139
Function Table
Inputs
Outputs
Enable
Select
G
H
L
B
X
L
A
X
L
Y0
H
L
Y1
H
H
L
Y2
H
H
H
L
Y3
H
H
H
H
L
L
L
H
L
H
H
H
L
H
H
H
H
L
H
H
H ; high level, L ; low level, X ; irrelevant
Block Diagram
1Y
0
1
2
3
Enable 1G
1Y
1Y
1Y
1A
1B
Select
Inputs
Data
Outputs
2Y
2Y
2Y
2Y
0
1
2
3
Enable 2G
2A
2B
Select
Inputs
Absolute Maximum Ratings
Item
Supply voltage
Symbol
Ratings
Unit
V
VCC
VIN
7
7
Input voltage
V
Power dissipation
Storage temperature
PT
400
mW
°C
Tstg
–65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Symbol
VCC
Min
4.75
—
Typ
5.00
—
Max
5.25
–400
8
Unit
V
Supply voltage
Output current
IOH
µA
mA
°C
IOL
—
—
Operating temperature
Topr
–20
25
75
Rev.2.00, Feb.18.2005, page 2 of 6
RENESAS [ RENESAS TECHNOLOGY CORP ]
