MM74HCT245WM datasheet(4/7 Pages) FAIRCHILD

Part #	MM74HCT245WM

Description	Octal 3-STATE Transceiver

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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AC Electrical Characteristics

VCC 5.0V, tr tf 6 ns, TA

25

qC (unless otherwise specified)

AC Electrical Characteristics

VCC 5.0V r 10%, tr tf 6 ns (unless otherwise specified)

Note 5: CPD determines the no load power consumption, PD CPD VCC2 f ICCVCC, and the no load dynamic current consumption,

IS CPD VCC f ICC.

Symbol

Parameter

Conditions

Typ

Guaranteed

Units

Limit

tPHL, tPLH

Maximum Output

CL 45 pF

16

20

ns

Propagation Delay

tPZL, tPZH

Maximum Output

CL 45 pF

29

40

ns

Enable Time

RL 1 k:

tPLZ, tPHZ

Maximum Output

CL 5 pF

20

25

ns

Disable Time

RL 1 k:

Symbol

Parameter

Conditions

TA 25qCTA 40 to 85qCTA 55 to 125qC

Units

Typ

Guaranteed Limits

tPHL, tPLH Maximum Output

CL 50 pF

17

23

29

34

ns

Propagation Delay

CL 150 pF

24

30

38

45

ns

tPZL

Maximum Output

RL 1 k:

31

42

53

63

ns

Enable Time

CL 50 pF

tPZH

Maximum Output

RL 1 k:

23

33

41

49

ns

Enable Time

CL 50 pF

tPHZ, tPLZ

Maximum Output

RL 1 k:

21

30

38

45

ns

Disable Time

CL 50 pF

tTHL, tTLH

Maximum Output

CL 50 pF

8

12

15

18

ns

Rise and Fall Time

CIN

Maximum Input

10

15

pF

Capacitance

COUT

Maximum Output/Input

20

25

pF

Capacitance

CPD

Power Dissipation

G

VCC (Note 5)

7

pF

Capacitance

G

GND

100

pF

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