SN74LS139 ON Semiconductor, SN74LS139 Datasheet
SN74LS139
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SN74LS139 Summary of contents
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... SN74LS139 Dual 1-of-4 Decoder/ Demultiplexer The LSTTL/MSI SN74LS139 is a high speed Dual 1-of-4 Decoder/Demultiplexer. The device has two independent decoders, each accepting two inputs and providing four mutually exclusive active LOW Outputs. Each decoder has an active LOW Enable input which can be used as a data input for a 4-output demultiplexer. Each half of the LS139 can be used as a function generator providing all four minterms of two variables ...
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... SN74LS139 CONNECTION DIAGRAM DIP (TOP VIEW LOADING HIGH PIN NAMES Address Inputs 0.5 U. Enable (Active LOW) Input 0.5 U.L. O – O Active LOW Outputs 10 U ...
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... HIGH Voltage Level L = LOW Voltage Level X = Don’t Care SN74LS139 LOGIC DIAGRAM ...
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... Propagation Delay PLH t Address to Output PHL t Propagation Delay PLH t Enable to Output PHL 1 PHL V OUT 1.3 V Figure 1. SN74LS139 Limits Unit Min Typ Max Guaranteed Input HIGH Voltage for 2.0 V All Inputs 0.8 Guaranteed Input LOW Voltage for V All Inputs – 0.65 – 1 MIN 2.7 3 ...
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... SEATING –T– PLANE 0.25 (0.010 SN74LS139 N SUFFIX PLASTIC PACKAGE CASE 648–08 ISSUE R NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. ...
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... G K –T– SEATING PLANE 0.25 (0.010 SN74LS139 PACKAGE DIMENSIONS D SUFFIX PLASTIC SOIC PACKAGE CASE 751B–05 ISSUE 0.25 (0.010 http://onsemi.com 6 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14 ...
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... Notes SN74LS139 http://onsemi.com 7 ...
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... Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–8549 Phone: 81–3–5487–8345 Email: r14153@onsemi.com Fax Response Line: 303–675–2167 800–344–3810 Toll Free USA/Canada ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative. http://onsemi.com 8 SN74LS139/D ...