SN74LS670D datasheet(5/8 Pages) ONSEMI

Part #	SN74LS670D

Description	LOW POWER SCHOTTKY

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SN74LS670

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5

AC CHARACTERISTICS (TA = 25°C)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

tPLH

tPHL

Propagation Delay, RA or RB

to Output

23

25

40

45

ns

tPLH

tPHL

Propagation Delay, EW to

Output

26

28

45

50

ns

VCC = 5.0 V,

tPLH

tPHL

Propagation Delay, Data

to Output

25

23

45

40

ns

CC

CL = 45 pF

tPZH

tPZL

Output Enable Time

15

22

35

40

ns

tPLZ

tPHZ

Output Disable Time

16

30

35

50

ns

CL = 5.0 pF

AC SETUP REQUIREMENTS (TA = 25°C)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

tW

Pulse Width

25

ns

ts

Setup Time, (D)

10

ns

ts

Setup Time, (W)

15

ns

VCC =5 0V

th

Hold Time, (D)

15

ns

VCC = 5.0 V

th

Hold Time, (W)

5.0

ns

trec

Recovery Time

25

ns

AC WAVEFORMS

Figure 1.

Figure 2.

Figure 3.

1.3 V

RA, RB

Q

D, EW

WA, WB

D

EW

ts

th

ts

tW

tPHL

tPLH

tPHL

tPLH

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