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CD54AC139F3A Datasheet(PDF) 1 Page - Texas Instruments

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Part # CD54AC139F3A
Description  DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
Download  14 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

CD54AC139F3A Datasheet(HTML) 1 Page - Texas Instruments

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CD54AC139, CD74AC139
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SCHS332 – MARCH 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D AC Types Feature 1.5-V to 5.5-V Operation
and Balanced Noise Immunity at 30% of the
Supply Voltage
D Buffered Inputs
D Incorporate Two Enable Inputs to Simplify
Cascading and/or Data Reception
D Speed of Bipolar F, AS, and S, With
Significantly Reduced Power Consumption
D Balanced Propagation Delays
D ±24-mA Output Drive Current
– Fanout to 15 F Devices
D SCR-Latchup-Resistant CMOS Process and
Circuit Design
D Exceeds 2-kV ESD Protection Per
MIL-STD-883, Method 3015
description/ordering information
The ’AC139 devices are dual 2-line to 4-line decoders/demultiplexers designed for 1.5-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.
The active-low enable (G) input can be used as a data line in demultiplexing applications. These
decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its
driving circuit.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – E
Tube
CD74AC139E
CD74AC139E
55
°Cto125°C
SOIC
M
Tube
CD74AC139M
AC139M
–55
°C to 125°C
SOIC – M
Tape and reel
CD74AC139M96
AC139M
CDIP – F
Tube
CD54AC139F3A
CD54AC139F3A
† 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
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.
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.
CD54AC139 ...F PACKAGE
CD74AC139 ...E OR M PACKAGE
(TOP VIEW)
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
On products compliant to MIL-PRF-38535, 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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