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74LVC139DB,118

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74LVC139DB,118 数据手册

74LVC139

Dual 2-to-4 line decoder/demultiplexer

Rev. 5 — 19 October 2011

Product data sheet

1. General description

The 74LVC139 is a dual 2-to-4 line decoder/demultiplexer. It has two independent

decoders, each accepting two binary weighted inputs (nA0 and nA1) and providing four

mutually exclusive outputs (nY0 to nY3) that are LOW when selected. Each decoder has

an active LOW input (nE). When nE is HIGH, every output is forced HIGH. The enable

input can be used as the data input for a 1-to-4 demultiplexer application.

2. Features and benefits

 Wide supply voltage range from 1.2 V to 3.6 V

 Inputs accept voltages up to 5.5 V

 CMOS low power consumption

 Direct interface with TTL levels

 Demultiplexing capability

 Two independent 2-to-4 decoders

 Multifunction capability

 Mutually exclusive outputs

 Output drive capability 50  transmission lines at 125 C

 Complies with JEDEC standard:

 JESD8-7A (1.65 V to 1.95 V)

 JESD8-5A (2.3 V to 2.7 V)

 JESD8-C/JESD36 (2.7 V to 3.6 V)

 ESD protection:

 HBM JESD22-A114F exceeds 2000 V

 MM JESD22-A115-B exceeds 200 V

 CDM JESD22-C101E exceeds 1000 V

 Specified from 40 C to +85 C and from 40 C to +125 C

12 3 4 5 6 7...16

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