SN74ALS156

DECODER/DEMULTIPLEXER

WITH OPENCOLLECTOR OUTPUTS

SDAS099C − JUNE 1986 − REVISED MAY 1996

5

POST OFFICE BOX 655303

POST OFFICE BOX 1443

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = − 18 mA

− 1.5

V

VOL

VCC = 4.5 V

IOL = 4 mA

0.25

0.4

V

VOL

VCC = 4.5 V

IOL = 8 mA

0.35

0.5

V

IOH

VCC = 4.5 V,

VOH = 5.5 V

0.1

mA

II

VCC = 5.5 V,

VI = 7 V

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

µA

IIL

VCC = 5.5 V,

VI = 0.4 V

− 0.1

µA

ICCL

VCC = 5.5 V

5

9

mA

† All typical values are at VCC = 5 V, TA = 25°C.

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

TA = MIN to MAX‡

UNIT

MIN

MAX

tPLH

A, B

1Y, 2Y

7

55

ns

tPHL

A, B

1Y, 2Y

6

25

ns

tPLH

1C

1Y

7

50

ns

tPHL

1C

1Y

6

23

ns

tPLH

1G

1Y

7

38

ns

tPHL

1G

1Y

6

22

ns

tPLH

2C, 2G

2Y

7

38

ns

tPHL

2C, 2G

2Y

6

22

ns

‡ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.