FAST CMOS

1-OF-8 DECODER

WITH ENABLE

Integrated Device Technology, Inc.

DESCRIPTION:

The IDT54/74FCT138T/AT/CT are 1-of-8 decoders built

using an advanced dual metal CMOS technology. The IDT54/

active LOW outputs (

features three enable inputs, two active LOW (

easy parallel expansion of the device to a 1-of-32 (5 lines to

32 lines) decoder with just four IDT54/74FCT138T/AT/CT

devices and one inverter.

IDT54/74FCT138T/AT/CT

FUNCTIONAL BLOCK DIAGRAM

2570 drw 01

2570 drw 02

2570 drw 03

PIN CONFIGURATIONS

INDEX

LCC

TOP VIEW

3

2

20 19

1

4

5

6

7

8

18

17

16

15

14

9 1011 1213

L20-2

NC

NC

MILITARY AND COMMERCIAL TEMPERATURE RANGES

APRIL 1995

©1995 Integrated Device Technology, Inc.

6.3

DSC-4213/5

1

GND

1

2

3

4

5

6

7

89

10

11

12

13

14

15

16

DIP/SOIC/QSOP/CERPACK

TOP VIEW

P16-1

D16-1

SO16-1

SO16-7

&

E16-1

FEATURES:

• Std., A and C speed grades

• Low input and output leakage

≤1µA (max.)

• CMOS power levels

• True TTL input and output compatibility

• Meets or exceeds JEDEC standard 18 specifications

• Product available in Radiation Tolerant and Radiation

Enhanced versions

• Military product compliant to MIL-STD-883, Class B

and DESC listed (dual marked)

• Available in DIP, SOIC, QSOP, CERPACK and

LCC packages

The IDT logo is a registered trademark of Integrated Device Technology, Inc.