74AC139

high-speed, dual 1-of-4 decoder/demultiplexer, SOP, -0.5V to +7.0V, 20 mA, Multifunction capability

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Price:: US $0.17~0.25 / piece [Get Latest Price]

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	US $0.17~0.25

PartNumber:: 74AC139

Brand:: Fairchild Semiconductor - Fairchild | Pack: SOP | D/C: 08+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-09-09

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Part Number:74AC139
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Product Summary

The 74AC139 is a high-speed, dual 1-of-4 decoder/demultiplexer. The 74AC139 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 74AC139 can be used as a function generator providing all four minterms of two variables.

Parametrics

74AC139 absolute maximum ratings: (1)Supply Voltage (VCC): -0.5V to +7.0V; (2)DC Input Diode Current (IIK), VI= -0.5V: -20 mA; VI= VCC + 0.5V: +20 mA; (3)DC Input Voltage (VI): -0.5V to VCC + 0.5V; (4)DC Output Diode Current (IOK), VO = -0.5V: -20 mA; VO = VCC + 0.5V: +20 mA; (5)DC Output Voltage (VO): -0.5V to VCC + 0.5V; (6)DC Output Source or Sink Current (IO): ±50 mA; (7)DC VCC or Ground Current per Output Pin (ICC or IGND): ±50 mA; (8)Storage Temperature (TSTG): -65 to +150℃; (9)Junction Temperature (TJ): 140℃.

Features

74AC139 features: (1)ICC reduced by 50%; (2)Multifunction capability; (3)Two completely independent 1-of-4 decoders; (4)Active LOW mutually exclusive outputs; (5)Outputs source/sink 24 mA; (6)ACT139 has TTL-compatible inputs.