74LVC138A

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Product data sheet

Rev. 5 — 19 October 2011

4 of 16

NXP Semiconductors

74LVC138A

3-to-8 line decoder/demultiplexer; inverting

6.

Functional description

[1]

H = HIGH voltage level; L = LOW voltage level; X = don’t care

7.

Limiting values

[1]

The minimum input voltage ratings may be exceeded if the input current ratings are observed.

[2]

The output voltage ratings may be exceeded if the output current ratings are observed.

[3]

For SO16 packages: above 70

C the value of P

For (T)SSOP16 packages: above 60

C the value of P

For DHVQFN16 packages: above 60

C the value of P

Table 3.

Function table [1]

Input

Output

E1

E2

E3

A0

A1

A2

Y0

Y1

Y2

Y3

Y4

Y5

Y6

Y7

HX

X

X

X

X

HH

HHH

HHH

XH

XXX

XH

H

H

H

H

H

H

H

X

X

L

X

X

X

HH

HHH

HHH

L

L

HL

L

L

L

H

HHH

HHH

HL

L

HL

HHH

HHH

L

H

L

HH

L

HH

HHH

HH

L

HH

HL

H

HHH

L

L

HHH

HHL

HHH

HL

HHH

HHH

L

HH

L

H

HHH

HHH

HL

H

HH

HHH

HHH

HHL

Table 4.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage

0.5

+6.5

V

input clamping current

50

-

mA

input voltage

[1]

0.5

+6.5

V

output clamping current

-

50

mA

output voltage

output HIGH or LOW state

[2]

0.5

V

output current

-

50

mA

supply current

-

100

mA

ground current

100

-

mA

storage temperature

65

+150

C

total power dissipation

[3] -500

mW