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Electrical Characteristics

Switching Characteristics

Switching Characteristics

SN54LVC138A, SN74LVC138A

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

SCAS291T – MARCH 1993 – REVISED JULY 2005

over recommended operating free-air temperature range (unless otherwise noted)

SN54LVC138A

SN74LVC138A

PARAMETER

TEST CONDITIONS

UNIT

MIN

MIN

MAX

1.65 V to 3.6 V

2.7 V to 3.6 V

1.65 V

1.2

2.3 V

1.7

V

2.7 V

2.2

2.2

3 V

2.4

2.4

3 V

2.2

2.2

1.65 V to 3.6 V

0.2

2.7 V to 3.6 V

0.2

1.65 V

0.45

V

2.3 V

0.7

2.7 V

0.4

0.4

3 V

0.55

0.55

3.6 V

±5

±5

µA

3.6 V

10

10

µA

∆I

CC

2.7 V to 3.6 V

500

500

µA

3.3 V

5

5

pF

(1)

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)

SN54LVC138A

FROM

TO

PARAMETER

UNIT

(INPUT)

(OUTPUT)

± 0.3 V

MIN

MAX

MIN

MAX

A or B or C

7.9

1

6.7

G2A or G2B

Y

7.4

1

6.5

ns

G1

6.4

1

5.8

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)

SN74LVC138A

FROM

TO

PARAMETER

UNIT

(INPUT)

(OUTPUT)

± 0.15 V

± 0.2 V

± 0.3 V

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

A or B or C

1

22

1

9.9

1

7.9

1

6.7

G2A or G2B

Y

1

21

1

9.4

1

7.4

1

6.5

ns

G1

1

20.3

1

8.4

1

6.4

1

5.8

1

ns

6