MM74HC139MTC datasheet(4/7 Pages) FAIRCHILD

Part #	MM74HC139MTC

Description	Dual 2-To-4 Line Decoder

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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AC Electrical Characteristics

VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6 ns

AC Electrical Characteristics

CL = 50 pF, tr = tf = 6 ns (unless otherwise specified)

Note 5: 4 levels of delay are A to Y1, Y3 and B to Y2, Y3.

Note 6: 5 levels of delay are A to Y0, Y2 and B to Y0, Y1.

Note 7: CPD determines the no load dynamic power consumption, PD = CPD VCC

2f

+ I

CC VCC, and the no load dynamic current consumption,

IS = CPD VCC f + ICC.

Symbol

Parameter

Conditions

Typ

Guaranteed

Units

Limit

tPHL, tPLH

Maximum Propagation

18

30

ns

Delay, Binary Select to any Output

4 levels of delay

tPHL, tPLH

Maximum Propagation

28

38

ns

Delay, Binary Select to any Output

5 levels of delay

tPHL, tPLH

Maximum Propagation

19

30

ns

Delay, Enable to any Output

Symbol

Parameter

Conditions

VCC

TA = 25°CTA = −40 to 85°CTA = −55 to 125°C

Units

Typ

Guaranteed Limits

tPHL, tPLH Maximum Propagation

(Note 5)

2.0V

110

175

219

254

ns

Delay Binary Select to

4.5V

22

35

44

51

ns

any Output 4 levels of delay

6.0V

18

30

38

44

ns

tPHL, tPLH Maximum Propagation

(Note 6)

2.0V

165

220

275

320

ns

Delay Binary Select to any

4.5V

33

44

55

64

ns

Output 5 levels of delay

6.0V

28

38

47

54

ns

tPHL, tPLH Maximum Propagation

2.0V

115

175

219

254

ns

Delay Enable to any

4.5V

23

35

44

51

ns

Output

6.0V

19

30

38

44

ns

tTLH, tTLH Maximum Output Rise

2.0V

30

75

95

110

ns

and Fall Time

4.5V

8

15

19

22

ns

6.0V

7

13

16

19

ns

CIN

Maximum Input

3

10

pF

Capacitance

CPD

Power Dissipation

(Note 7)

75

pF

Capacitance (Note 7)

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