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SN54HC138 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN54HC138
Description  3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54HC138 Datasheet(HTML) 1 Page - Texas Instruments

 
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SN54HC138, SN74HC138
3LINE TO 8LINE DECODERS/DEMULTIPLEXERS
SCLS107E − DECEMBER 1982 − REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Targeted Specifically for High-Speed
Memory Decoders and Data-Transmission
Systems
D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D Typical tpd = 15 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Incorporate Three Enable Inputs to Simplify
Cascading and/or Data Reception
description/ordering information
The ’HC138 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
employed with high-speed memories utilizing a
fast enable circuit, the delay times of these
decoders and the enable time of the memory are
usually 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
PDIP − N
Tube of 25
SN74HC138N
SN74HC138N
Tube of 40
SN74HC138D
SOIC − D
Reel of 2500
SN74HC138DR
HC138
SOIC − D
Reel of 250
SN74HC138DT
HC138
−40
°C to 85°C
SOP − NS
Reel of 2000
SN74HC138NSR
HC138
−40 C to 85 C
SSOP − DB
Reel of 2000
SN74HC138DBR
HC138
Tube of 90
SN74HC138PW
TSSOP − PW
Reel of 2000
SN74HC138PWR
HC138
TSSOP − PW
Reel of 250
SN74HC138PWT
HC138
CDIP − J
Tube of 25
SNJ54HC138J
SNJ54HC138J
−55
°C to 125°C
CFP − W
Tube of 150
SNJ54HC138W
SNJ54HC138W
−55 C to 125 C
LCCC − FK
Tube of 55
SNJ54HC138FK
SNJ54HC138FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
Y1
Y2
NC
Y3
Y4
C
G2A
NC
G2B
G1
SN54HC138 . . . FK PACKAGE
(TOP VIEW)
NC − No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A
B
C
G2A
G2B
G1
Y7
GND
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
SN54HC138 ...J OR W PACKAGE
SN74HC138 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
Copyright
 2003, Texas Instruments Incorporated
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.
PRODUCTION DATA information is 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.
On products compliant to MILPRF38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.


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