SN54LV138, SN74LV138

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

SCLS190D – FEBRUARY 1993 – REVISED JULY 1996

5

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

V

†

SN54LV138

SN74LV138

UNIT

PARAMETER

TEST CONDITIONS

VCC†

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

IOH = –100 µA

MIN to MAX

VCC–0.2

VCC–0.2

VOH

IOH = –6 mA

3 V

2.4

2.4

V

IOH = –12 mA

4.5 V

3.6

3.6

IOL = 100 µA

MIN to MAX

0.2

0.2

VOL

IOL = 6 mA

3 V

0.4

0.4

V

IOL = 12 mA

4.5 V

0.55

0.55

II

VI =VCC or GND

3.6 V

±1

±1

µA

II

VI = VCC or GND

5.5 V

±1

±1

µA

ICC

VI =VCC or GND

IO =0

3.6 V

20

20

µA

ICC

VI = VCC or GND

IO = 0

5.5 V

20

20

µA

nICC

One input at

VCC – 0.6 V

Other inputs at

VCC or GND

3 V to 3.6 V

500

500

µA

Ci

VI =VCC or GND

3.3 V

2.5

2.5

pF

Ci

VI = VCC or GND

5 V

2.1

2.1

pF

† For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.

(unless otherwise noted) (see Figure 1)

FROM

TO

SN54LV138

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V ± 0.5 V

VCC = 3.3 V ± 0.3 V

VCC = 2.7 V

UNIT

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

TYP

MAX

MIN

MAX

t d

A, B, or C

Y

8

16

10

21

26

ns

tpd

Enable

Y

8

19

10

23

29

ns

(unless otherwise noted) (see Figure 1)

FROM

TO

SN74LV138

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V ± 0.5 V

VCC = 3.3 V ± 0.3 V

VCC = 2.7 V

UNIT

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

TYP

MAX

MIN

MAX

t d

A, B, or C

Y

8

16

10

21

26

ns

tpd

Enable

Y

8

19

10

23

29

ns

PARAMETER

TEST CONDITIONS

VCC

TYP

UNIT

C d

Power dissipation capacitance per channel

CL =50 pF

f=10MHz

3.3 V

47

pF

Cpd

Power dissipation capacitance per channel

CL = 50 pF,

f = 10 MHz

5 V

49

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.