MC74F139 Motorola, MC74F139 Datasheet
MC74F139
Manufacturer Part Number
MC74F139
Description
DUAL 1-OF-4 DECODER FAST SHOTTKY TTL
Manufacturer
Motorola
Datasheet
1.MC74F139.pdf
(3 pages)
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DUAL 1-OF-4 DECODER
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 de-
multiplexer. Each half of the F139 can be used as a function generator provid-
ing all four miniterms of two variables.
Multifunction Capability
Two Completely Independent 1-of-4 Decoders
Active Low Mutually Exclusive Outputs
Input Clamp Diodes Limit High-Speed Termination Effects
The MC54/74F139 is a high speed Dual 1-of-4 Decoder/Demultiplexer.
4
O 0a
1
E a
V CC
16
E a
1
5
O 1a
A 0a
E b
15
2
CONNECTION DIAGRAM
6
O 2a
2
A 0b
A 1a
14
LOGIC DIAGRAM
3
A 0a
V CC = PIN 16
GND = PIN 8
7
3
O 3a
= PIN NUMBERS
O 0a
A 1a
A 1b
13
4
12
O 0b
O 0b
O 1a
12
5
E b
11
15
O 1b
O 2a
11
O 1b
6
FAST AND LS TTL DATA
O 2b
O 3a
10
10
7
O 2b
GND
A 0b A 1b
O 3b
9
8
14
9
O 3b
4-56
13
16
16
MC54/74F139
16
ORDERING INFORMATION
1
1
MC54FXXXJ
MC74FXXXN
MC74FXXXD
O 0 O 1 O 2 O 3
FAST
1
E
4 5 6 7
1
LOGIC SYMBOL
DUAL 1-OF-4
A 0
2 3
DECODER
A 1
SHOTTKY TTL
V CC = Pin 16
GND = Pin 8
Ceramic
Plastic
SOIC
O 0 O 1 O 2 O 3
12
15
E
CASE 751B-03
CASE 620-09
CASE 648-08
11
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
PLASTIC
A 0
14
10
SOIC
13
A 1
9
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MC74F139 Summary of contents
Page 1
DUAL 1-OF-4 DECODER The MC54/74F139 is a high speed Dual 1-of-4 Decoder/Demultiplexer. 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 ...
Page 2
GUARANTEED OPERATING RANGES Symbol Parameter V CC Supply Voltage T A Operating Ambient Temperature Range I OH Output Current — High I OL Output Current — Low DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Symbol Parameter V IH ...
Page 3
FUNCTION TABLE Inputs Outputs ...