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MM74C154N

4-Line to 16-Line Decoder/Demultiplexer

Fairchild Semiconductor 

October 1987

Revised January 1999

MM74C154

4-Line to 16-Line Decoder/Demultiplexer

General Description

The MM74C154 one of sixteen decoder is a monolithic

complementary MOS (CMOS) integrated circuit con-

structed with N- and P-channel enhancement transistors.

The device is provided with two strobe inputs, both of

which must be in the logical “0” state for normal operation.

If either strobe input is in the logical “1” state, all 16 outputs

will go to the logical “1” state.

To use the product as a demultiplexer, one of the strobe

inputs serves as a data input terminal, while the other

strobe input must be maintained in the logical “0” state. The

information will then be transmitted to the selected output

as determined by the 4-line input address.

Features

s Supply voltage range: 3V to 15V

s Tenth power TTL compatible: Drive 2 LPTTL loads

s High noise margin: 1V guaranteed

s High noise immunity: 0.45 VCC (typ.)

Applications

• Automotive

• Data terminals

• Instrumentation

• Medical electronics

• Alarm systems

• Industrial electronics

• Remote metering

• Computers

Ordering Code:

Order Number Package Number

Package Description

MM74C154WM

M24B

24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide

MM74C154N

N24A

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.600” Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Pin Assignments for DIP and SOIC

Top View

© 1999 Fairchild Semiconductor Corporation DS005893.prf

www.fairchildsemi.com

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