CD54HC139, CD74HC139,
CD54HCT139, CD74HCT139
Data sheet acquired from Harris Semiconductor
SCHS148D
High-Speed CMOS Logic
Dual 2- to 4-Line Decoder/Demultiplexer
September 1997 - Revised October 2003
Features
Description
• Multifunction Capability
The ’HC139 and ’HCT139 devices contain two independent
binary to one of four decoders each with a single active low
enable input (1E or 2E). Data on the select inputs (1A0 and
1A1 or 2A0 and 2A1) cause one of the four normally high
outputs to go low.
- Binary to 1 of 4 Decoders or 1 to 4 Line
Demultiplexer
[ /Title
(CD74
HC139
,
CD74
HCT13
9)
• Active Low Mutually Exclusive Outputs
• Fanout (Over Temperature Range)
If the enable input is high all four outputs remain high. For
demultiplexer operation the enable input is the data input.
The enable input also functions as a chip select when these
devices are cascaded. This device is functionally the same
as the CD4556B and is pin compatible with it.
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
o
o
• Wide Operating Temperature Range . . . -55 C to 125 C
• Balanced Propagation Delay and Transition Times
/Sub-
ject
The outputs of these devices can drive 10 low power
Schottky TTL equivalent loads. The HCT logic family is
functionally as well as pin equivalent to the LS logic family.
• Significant Power Reduction Compared to LSTTL
Logic ICs
(High
Speed
CMOS
Logic
Dual
2-to-4
Line
Decod
• HC Types
Ordering Information
- 2V to 6V Operation
- High Noise Immunity: N = 30%, N = 30%of V
IL IH
at
CC
TEMP. RANGE
o
V
= 5V
PART NUMBER
CD54HC139F3A
CD54HCT139F3A
CD74HC139E
( C)
PACKAGE
16 Ld CERDIP
16 Ld CERDIP
16 Ld PDIP
16 Ld SOIC
16 Ld SOIC
16 Ld SOIC
16 Ld PDIP
16 Ld SOIC
16 Ld SOIC
16 Ld SOIC
CC
• HCT Types
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
-55 to 125
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
V = 0.8V (Max), V = 2V (Min)
IL
IH
- CMOS Input Compatibility, I ≤ 1µA at V , V
OL OH
l
CD74HC139M
• Memory Decoding, Data Routing, Code Conversion
CD74HC139MT
CD74HC139M96
CD74HCT139E
CD74HCT139M
CD74HCT139MT
CD74HCT139M96
Pinout
CD54HC139, CD54HCT139
(CERDIP)
CD74HC139, CD74HCT139
(PDIP, SOIC)
NOTE: When ordering, use the entire part number. The suffix 96
denotes tape and reel. The suffix T denotes a small-quantity reel of
250.
TOP VIEW
1E
1A0
1A1
1Y0
1Y1
1Y2
1Y3
GND
1
2
3
4
5
6
7
8
16 V
CC
15 2E
14 2A0
13 2A1
12 2Y0
11 2Y1
10 2Y2
9
2Y3
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright © 2003, Texas Instruments Incorporated
1