MC54HC139A Motorola, MC54HC139A Datasheet

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MC54HC139A

Manufacturer Part Number
MC54HC139A
Description
Dual 1-of-4 Decoder/Demultiplexer
Manufacturer
Motorola
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Dual 1-of-4 Decoder/
Demultiplexer
High–Performance Silicon–Gate CMOS
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
decodes a two–bit Address to one–of–four active–low outputs. Active–low
Selects are provided to facilitate the demultiplexing and cascading functions.
The demultiplexing function is accomplished by using the Address inputs to
select the desired device output, and utilizing the Select as a data input.
10/95
Motorola, Inc. 1995
The MC54/74HC139A is identical in pinout to the LS139. The device
This device consists of two independent 1–of–4 decoders, each of which
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 A
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 100 FETs or 25 Equivalent Gates
ADDRESS
ADDRESS
INPUTS
INPUTS
SELECT a
SELECT b
A0 a
A1 a
A0 b
A1 b
14
13
15
2
3
1
LOGIC DIAGRAM
PIN 16 = V CC
PIN 8 = GND
12
11
10
4
5
6
7
9
Y0 a
Y1 a
Y2 a
Y3 a
Y0 b
Y1 b
Y2 b
Y3 b
ACTIVE–LOW
ACTIVE–LOW
OUTPUTS
OUTPUTS
1
REV 6
MC54/74HC139A
16
16
X = don’t care
Select
16
H
L
L
L
L
1
SELECT a
1
MC54HCXXXAJ
MC74HCXXXAN
MC74HCXXXAD
ORDERING INFORMATION
1
Inputs
GND
A0 a
A1 a
Y0 a
Y1 a
Y2 a
Y3 a
A1
PIN ASSIGNMENT
FUNCTION TABLE
H
H
X
L
L
A0
1
2
3
4
5
6
7
8
X
H
H
L
L
CERAMIC PACKAGE
PLASTIC PACKAGE
Y0
H
H
H
H
L
SOIC PACKAGE
CASE 751B–05
CASE 620–10
CASE 648–08
16
15
14
13
12
10
11
9
N SUFFIX
D SUFFIX
J SUFFIX
Outputs
Ceramic
Plastic
SOIC
Y1 Y2
H
H
H
H
L
V CC
SELECT b
A0 b
A1 b
Y0 b
Y1 b
Y2 b
Y3 b
H
H
H
H
L
Y3
H
H
H
H
L

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MC54HC139A Summary of contents

Page 1

... Chip Complexity: 100 FETs or 25 Equivalent Gates LOGIC DIAGRAM ADDRESS 3 INPUTS SELECT a 14 ADDRESS INPUTS SELECT b PIN PIN 8 = GND 10/95 Motorola, Inc. 1995 MC54/74HC139A ACTIVE–LOW 6 OUTPUTS ACTIVE–LOW ...

Page 2

... Current (per Package) Î Î Î Î Î Î Î Î Î Î Î Î Î NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D). MOTOROLA Î Î Î Î Î Î Î Î Î ...

Page 3

... NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High– Speed CMOS Data Book (DL129/D). ...

Page 4

... Select a , Select b (Pins 1, 15) Active–low select inputs. For a low level on this input, the SELECT A0 A1 MOTOROLA PIN DESCRIPTIONS outputs for that particular decoder follow the Address inputs. A high level on this input forces all outputs to a high level. OUTPUTS Y0 a – – (Pins 4 – 7, 12, 11, 10, 9) Active– ...

Page 5

... PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS INCHES DIM MIN MAX MIN MAX F A 0.386 0.393 9.80 10.00 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 1.27 BSC 0.050 BSC G J 0.19 0.25 0.008 0.009 K 0.10 0.25 0.004 0.009 0.229 0.244 P 5.80 6.20 R 0.25 0.50 0.010 0.019 MOTOROLA ...

Page 6

... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...

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