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SN74AHC139 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN74AHC139
Description  DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

SN74AHC139 Datasheet(HTML) 1 Page - Texas Instruments

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SN54AHC139, SN74AHC139
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SCLS259K – DECEMBER 1995 – REVISED MARCH 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Range 2-V to 5.5-V VCC
D Designed Specifically for High-Speed
Memory Decoders and Data-Transmission
Systems
D Incorporate Two Enable Inputs to Simplify
Cascading and/or Data Reception
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
2A
2B
NC
2Y0
2Y1
1B
1Y0
NC
1Y1
1Y2
SN54AHC139 ...FK PACKAGE
(TOP VIEW)
NC – No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
GND
VCC
2G
2A
2B
2Y0
2Y1
2Y2
2Y3
SN54AHC139 ...J OR W PACKAGE
SN74AHC139 . . . D, DB, DGV, N, NS
OR PW PACKAGE
(TOP VIEW)
SN74AHC139 . . . RGY PACKAGE
(TOP VIEW)
116
89
2
3
4
5
6
7
15
14
13
12
11
10
2G
2A
2B
2Y0
2Y1
2Y2
1A
1B
1Y0
1Y1
1Y2
1Y3
description/ordering information
The ’AHC139 devices are dual 2-line to 4-line decoders/demultiplexers designed for 2-V to 5.5-V VCC operation.
These devices are designed to be used in high-performance memory-decoding or data-routing applications
requiring very short propagation delay times. In high-performance memory systems, these decoders can be
used to minimize the effects of system decoding. When used with high-speed memories utilizing a fast enable
circuit, the delay times of these decoders and the enable time of the memory usually are less than the typical
access time of the memory. This means that the effective system delay introduced by the decoders is negligible.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN – RGY
Tape and reel
SN74AHC139RGYR
HA139
PDIP – N
Tube
SN74AHC139N
SN74AHC139N
SOIC – D
Tube
SN74AHC139D
AHC139
SOIC – D
Tape and reel
SN74AHC139DR
AHC139
–40
°C to 85°C
SOP – NS
Tape and reel
SN74AHC139NSR
AHC139
SSOP – DB
Tape and reel
SN74AHC139DBR
HA139
TSSOP
PW
Tube
SN74AHC139PW
HA139
TSSOP – PW
Tape and reel
SN74AHC139PWR
HA139
TVSOP – DGV
Tape and reel
SN74AHC139DGVR
HA139
CDIP – J
Tube
SNJ54AHC139J
SNJ54AHC139J
–55
°C to 125°C
CFP – W
Tube
SNJ54AHC139W
SNJ54AHC139W
LCCC – FK
Tube
SNJ54AHC139FK
SNJ54AHC139FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Copyright
 2003, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all
parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.


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