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SN74HC139 Dataheets PDF



Part Number SN74HC139
Manufacturers Texas Instruments
Logo Texas Instruments
Description Dual 2-Line To 4-Line Decoders/Demultiplexers
Datasheet SN74HC139 DatasheetSN74HC139 Datasheet (PDF)

SN54HC139, SN74HC139 SCLS108E – DECEMBER 1982 – REVISED FEBRUARY 2022 SNx4HC139 Dual 2-Line To 4-Line Decoders/Demultiplexers 1 Features • Targeted specifically for high-speed memory decoders and data-transmission systems • Wide operating voltage range of 2 V to 6 V • Outputs can drive up to 10 LSTTL loads • Low power consumption, 80-μA max ICC • Typical tpd = 10 ns • ±4-mA output drive at 5 V • Low input current of 1 μA max • Incorporate two enable inputs to simplify cascading and/or data rece.

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SN54HC139, SN74HC139 SCLS108E – DECEMBER 1982 – REVISED FEBRUARY 2022 SNx4HC139 Dual 2-Line To 4-Line Decoders/Demultiplexers 1 Features • Targeted specifically for high-speed memory decoders and data-transmission systems • Wide operating voltage range of 2 V to 6 V • Outputs can drive up to 10 LSTTL loads • Low power consumption, 80-μA max ICC • Typical tpd = 10 ns • ±4-mA output drive at 5 V • Low input current of 1 μA max • Incorporate two enable inputs to simplify cascading and/or data reception xA0 xA1 2 Description The SNx4HC139 contains two two-to-four decoders with one active low output strobe G. When the outputs of one channel are gated by the strobe input, they are all forced into the high state. When the outputs are not disabled by the strobe input, only the selected output is low while all others are high. PART NUMBER SN74HC139D SN74HC139DB SN74HC139N SN74HC139NS SN74HC139PW SN54HC139J SNJ54HC139FK SNJ54HC139W Device Information PACKAGE(1) BODY SIZE (NOM) SOIC (16) 9.90 mm × 3.90 SSOP (16) 6.20 mm × 5.30 mm PDIP (16) 19.31 mm × 6.35 mm SO (16) 6.20 mm × 5.30 mm TSSOP (16) 5.00 mm × 4.40 mm CDIP (16) 24.38 mm × 6.92 mm LCCC (20) 8.89 mm × 8.45 mm CFP (16) 10.16 mm × 6.73 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. DECODER OUTPUT ENABLE 00 xY0 01 xY1 10 xY2 11 xY3 xG Pin numbers shown are for the D, DB, J, N, NS, PW, W Functional Block Diagram An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. SN54HC139, SN74HC139 SCLS108E – DECEMBER 1982 – REVISED FEBRUARY 2022 www.ti.com Table of Contents 1 Features............................................................................1 2 Description.......................................................................1 3 Revision History.............................................................. 2 4 Pin Configuration and Functions...................................3 5 Specifications.................................................................. 4 5.1 Absolute Maximum Ratings........................................ 4 5.2 Recommended Operating Conditions(1) .................... 4 5.3 Thermal Information....................................................4 5.4 Electrical Characteristics.............................................5 5.5 Switching Characteristics ...........................................5 5.6 Operating Characteristics........................................... 5 6 Parameter Measurement Information............................ 6 7 Detailed Description........................................................7 7.1 Overview..................................................................... 7 7.2 Functional Block Diagram........................................... 7 7.3 Device Functional Modes............................................7 8 Power Supp.


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