74AHC139 데이터 시트보기 (PDF) - Philips Electronics

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74AHC139

Dual 2-to-4 line decoder/demultiplexer

Philips Electronics 

Philips Semiconductors

Dual 2-to-4 line decoder/demultiplexer

Product specification

74AHC139;

74AHCT139

Type 74AHCT139

Ground = 0 V; tr = tf ≤ 3.0 ns.

SYMBOL PARAMETER

TEST CONDITIONS

WAVEFORMS CL

Tamb (°C)

25

−40 to +85 −40 to +125 UNIT

MIN. TYP. MAX. MIN. MAX. MIN. MAX.

VCC = 4.5 to 5.5 V; note 1

tPHL/tPLH

propagation delay

nAn to nYn

propagation delay

nE to nYn

propagation delay

nAn to nYn

propagation delay

nE to nYn

see Figs 5 and 7

see Figs 6 and 7

see Figs 5 and 7

see Figs 6 and 7

15 pF −

−

50 pF −

−

4.7 7.2 1.0 8.5 1.0 9.0 ns

3.6 6.3 1.0 7.5 1.0 8.0 ns

6.5 9.2 1.0 10.5 1.0 11.5 ns

5.2 8.3 1.0 9.5 1.0 10.5 ns

Note

1. Typical values at VCC = 5.0 V.

1999 Sep 01

9

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