SN54HCT157, SN74HCT157

QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS

SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003

4

POST OFFICE BOX 655303

(unless otherwise noted) (see Figure 1)

PARAMETER

FROM

TO

VCC

TA = 25°C

SN54HCT157

SN74HCT157

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

A or B

Y

4.5 V

18

28

42

35

A or B

Y

5.5 V

15

25

38

32

tpd

A/B

Y

4.5 V

20

32

48

40

ns

tpd

A/B

Y

5.5 V

17

29

43

36

ns

G

Y

4.5 V

18

26

39

33

G

Y

5.5 V

15

23

35

30

tt

Any

4.5 V

8

15

22

19

ns

tt

Any

5.5 V

7

14

21

17

ns

(unless otherwise noted) (see Figure 1)

PARAMETER

FROM

TO

VCC

TA = 25°C

SN54HCT157

SN74HCT157

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

A or B

Y

4.5 V

23

42

63

52

A or B

Y

5.5 V

19

38

52

46

tpd

A/B

Y

4.5 V

24

46

72

58

ns

tpd

A/B

Y

5.5 V

21

41

61

52

ns

G

Y

4.5 V

21

39

58

48

G

Y

5.5 V

19

35

49

43

tt

Any

4.5 V

17

42

63

53

ns

tt

Any

5.5 V

14

38

57

48

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance

No load

12

pF

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.