1999 Sep 27

5

Philips Semiconductors

Product specification

3-to-8 line decoder/demultiplexer; inverting

74AHC138;

74AHCT138

RECOMMENDED OPERATING CONDITIONS

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134); voltages are referenced to GND (ground = 0 V).

Notes

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

2. For SO packages: above 70

For TSSOP packages: above 60

SYMBOL

PARAMETER

CONDITIONS

74AHC

74AHCT

UNIT

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

DC supply voltage

2.0

5.0

5.5

4.5

5.0

5.5

V

input voltage

0

−

5.5

0

−

5.5

V

output voltage

0

−

0

−

V

operating ambient temperature

range

see DC and AC

characteristics per

device

−40

+25

+85

−40

+25

+85

°C

−40

+25

+125

−40

+25

+125

°C

100

−−−

ns/V

−−

20

−−

20

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX. UNIT

DC supply voltage

−0.5

+7.0

V

input voltage range

−0.5

+7.0

V

DC input diode current

−−20

mA

DC output diode current

−±20

mA

DC output source or sink current

−±25

mA

−±75

mA

storage temperature range

−65

+150

°C

power dissipation per package

for temperature range:

−40 to +125 °C; note 2

−

500

mW