Datasheet SN74LS139D, SN74LS139DR2, SN74LS139M, SN74LS139MEL, SN74LS139ML1 Datasheet (MOTOROLA)

 Semiconductor Components Industries, LLC, 1999

December, 1999 – Rev. 6

1 Publication Order Number:

SN74LS139/D

SN74LS139

Dual 1-of-4 Decoder/
Demultiplexer

The LSTTL/MSI SN74LS139 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 be used as a data input for a 4-output demultiplexer. Each
half of the LS139 can be used as a function generator providing all
four minterms of two variables. The LS139 is fabricated with the
Schottky barrier diode process for high speed and is completely
compatible with all ON Semiconductor TTL families.

• Schottky Process for High Speed

• Multifunction Capability

• Two Completely Independent 1-of-4 Decoders

• Active Low Mutually Exclusive Outputs

• Input Clamp Diodes Limit High Speed Termination Effects

• ESD > 3500 Volts

GUARANTEED OPERATING RANGES

Symbol Parameter Min Typ Max Unit

V

CC

Supply Voltage 4.75 5.0 5.25 V

T

A

Operating Ambient

T emperature Range

0 25 70 °C

I

OH

Output Current – High –0.4 mA

I

OL

Output Current – Low 8.0 mA

LOW

POWER

SCHOTTKY

Device Package Shipping

ORDERING INFORMATION

SN74LS139N 16 Pin DIP 2000 Units/Box
SN74LS139D 16 Pin

SOIC

D SUFFIX

CASE 751B

http://onsemi.com

2500/Tape & Reel

PLASTIC
N SUFFIX
CASE 648

16

1

16

1

SN74LS139

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2

CONNECTION DIAGRAM DIP (TOP VIEW)

Address Inputs
Enable (Active LOW) Input
Active LOW Outputs

A0, A

1

E
O

0

– O

3

0.5 U.L.

0.5 U.L.
10 U.L.

0.25 U.L.

0.25 U.L.
5 U.L.

NOTES:

a) 1 TTL Unit Load (U.L.) = 40 mA HIGH/1.6 mA LOW.

HIGH LOW

(Note a)LOADING

PIN NAMES

NOTE:
The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.

14 13 12 1 1 10 9

123456

7

16 15

8

V

CC

E

b

GND

A0bA1bO0bO1bO2bO

3b

E

a

O0aO

1a

A0aA

1a

VCC = PIN 16
GND = PIN 8

O

1

123 151413

4 5 6 7 12 11 10 9

EA

0A1

DECODER a DECODER b

O

0

O2O

3

EA0A

1

O2aO

3a

O1O0O2O

3

LOGIC SYMBOL

SN74LS139

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3

LOGIC DIAGRAM

VCC = PIN 16
GND = PIN 8

= PIN NUMBERS

A0aA

1a

E

a

A

0b

O3aO0bO1bO2bO

3b

O1aO

2a

E

b

A

1b

O

0a

12 116 74 5 10 9

1 2 3 15 14 13

FUNCTIONAL DESCRIPTION

The LS139 is a high speed dual 1-of-4 decoder/
demultiplexer fabricated with the Schottky barrier diode
process. The device has two independent decoders, each of
which accept two binary weighted inputs (A

0

, A1) and
provide four mutually exclusive active LOW outputs
(O0–O3). Each decoder has an active LOW Enable (E).
When E is HIGH all outputs are forced HIGH. The enable

can be used as the data input for a 4-output demultiplexer
application.

Each half of the LS139 generates all four minterms of two
variables. These four minterms are useful in some
applications, replacing multiple gate functions as shown in
Fig. a, and thereby reducing the number of packages
required in a logic network.

TRUTH TABLE

INPUTS OUTPUTS

E A

0

A

1

O

0

O

1

O

2

O

3

H X X H H H H
L LLLHHH
L HLHLHH
L LHHHLH
L HHHHHL

H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care

Figure a

E

A

0

A

1

E

A

0

A

1

E

A

0

A

1

E

A

0

A

1

O

0

O

1

O

2

O

3

E

A

0

A

1

E

A

0

A

1

E

A

0

A

1

E

A

0

A

1

O

0

O

1

O

2

O

3

SN74LS139

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4

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol Parameter

Min Typ Max

Unit Test Conditions

V

IH

Input HIGH Voltage 2.0 V

Guaranteed Input HIGH Voltage for
All Inputs

V

IL

Input LOW Voltage

0.8
V

Guaranteed Input LOW Voltage for
All Inputs

V

IK

Input Clamp Diode Voltage –0.65 –1.5 V VCC = MIN, IIN = –18 mA

V

OH

Output HIGH Voltage

2.7 3.5 V VCC = MIN, IOH = MAX, VIN = V

IH

or VIL per Truth Table

p

0.25 0.4 V IOL = 4.0 mA

VCC = VCC MIN,

VOLOutput LOW Voltage

0.35 0.5 V IOL = 8.0 mA

V

IN

=

V

IL

or

V

IH

per Truth Table

p

20 µA VCC = MAX, VIN = 2.7 V

IIHInput HIGH Current

0.1 mA VCC = MAX, VIN = 7.0 V

I

IL

Input LOW Current –0.4 mA VCC = MAX, VIN = 0.4 V

I

OS

Short Circuit Current (Note 1) –20 –100 mA VCC = MAX

I

CC

Power Supply Current 11 mA VCC = MAX

Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.

AC CHARACTERISTICS (T

A

= 25°C)

Levels of

Limits

Symbol Parameter

Levels of

Delay

Min Typ Max

Unit T est Conditions

t

PLH

t

PHL

Propagation Delay
Address to Output

2
2

13
22

20
33

ns

t

PLH

t

PHL

Propagation Delay
Address to Output

3
3

18
25

29
38

ns

VCC = 5.0 V

C

L

= 15 pF

t

PLH

t

PHL

Propagation Delay
Enable to Output

2
2

16
21

24
32

ns

AC WAVEFORMS

Figure 1. Figure 2.

V

IN

V

OUT

1.3 V
t

PHL

1.3 V

1.3 V

1.3 V

t

PLH

V

IN

V

OUT

1.3 V

t

PHL

1.3 V

t

PLH

1.3 V

1.3 V

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5

P ACKAGE DIMENSIONS

N SUFFIX

PLASTIC PACKAGE

CASE 648–08

ISSUE R

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.

2. CONTROLLING DIMENSION: INCH.

3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.

4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.

5. ROUNDED CORNERS OPTIONAL.

–A–

B

F

C

S

H

G

D

J

L

M

16 PL

SEATING

18

916

K

PLANE

–T–

M

A

M

0.25 (0.010) T

DIM MIN MAX MIN MAX

MILLIMETERSINCHES

A 0.740 0.770 18.80 19.55
B 0.250 0.270 6.35 6.85
C 0.145 0.175 3.69 4.44
D 0.015 0.021 0.39 0.53
F 0.040 0.70 1.02 1.77
G 0.100 BSC 2.54 BSC
H 0.050 BSC 1.27 BSC
J 0.008 0.015 0.21 0.38
K 0.110 0.130 2.80 3.30
L 0.295 0.305 7.50 7.74
M 0 10 0 10
S 0.020 0.040 0.51 1.01

____

SN74LS139

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P ACKAGE DIMENSIONS

D SUFFIX

PLASTIC SOIC PACKAGE

CASE 751B–05

ISSUE J

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.

2. CONTROLLING DIMENSION: MILLIMETER.

3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.

4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.

5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.

18

16 9

SEATING

PLANE

F

J

M

R

X 45

_

G

8 PLP

–B–

–A–

M

0.25 (0.010) B

S

–T–

D

K

C

16 PL

S

B

M

0.25 (0.010) A

S

T

DIM MIN MAX MIN MAX

INCHESMILLIMETERS

A 9.80 10.00 0.386 0.393
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019

F 0.40 1.25 0.016 0.049

G 1.27 BSC 0.050 BSC

J 0.19 0.25 0.008 0.009
K 0.10 0.25 0.004 0.009
M 0 7 0 7

P 5.80 6.20 0.229 0.244
R 0.25 0.50 0.010 0.019

____

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7

Notes

SN74LS139

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8

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