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74HC139N

Dual 2-to-4 line decoder/demultiplexer

Philips Electronics 

Philips Semiconductors

Dual 2-to-4 line decoder/demultiplexer

Product specification

74HC/HCT139

DC CHARACTERISTICS FOR 74HC

For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: standard

ICC category: MSI

AC CHARACTERISTICS FOR 74HC

GND = 0 V; tr = tf = 6 ns; CL = 50 pF

Tamb (°C)

SYMBOL PARAMETER

74HC

+25

−40 to +85

min. typ. max. min. max.

tPHL/ tPLH

propagation delay

nAn to Yn

39 145

14 29

11 25

180

36

31

tPHL/ tPLH

propagation delay

nE to nYn

33 135

12 27

10 23

170

34

29

tTHL/ tTLH

output transition

time

19 75

7 15

6 13

95

19

16

−40 to +125

min. max.

220

44

38

205

41

35

110

22

19

UNIT

ns

ns

ns

TEST CONDITIONS

VCC WAVEFORMS

(V)

2.0

4.5 Fig.6

6.0

2.0

4.5 Fig.7

6.0

2.0

4.5 Figs 6 and 7

6.0

September 1993

5

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