74F139SCX Datasheet, PDF (1/6 Pages) Fairchild Semiconductor – 74F139 Dual 1-of-4 Decoder/Demultiplexer

April 1988
Revised September 2000
74F139
Dual 1-of-4 Decoder/Demultiplexer
General Description
The F139 is a high-speed, dual 1-of-4 decoder/demulti-
plexer. The device has two independent decoders, each
accepting two inputs and providing four mutually exclusive
active LOW outputs. Each decoder has an active LOW
Enable input which can be used as a data input for a
4-output demultiplexer. Each half of the F139 can be used
as a function generator providing all four minterms of two
variables.
Features
s Multifunction capability
s Two completely independent 1-of-4 decoders
s Active LOW mutually exclusive outputs
Ordering Code:
Order Number Package Number
Package Description
74F139SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74F139SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F139PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
Truth Table
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
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
© 2000 Fairchild Semiconductor Corporation DS009479
www.fairchildsemi.com