Rev.3.00, Jul.15.2005, page 1 of 7

HD74LS283

4-bit Binary Full Adder

REJ03D0476–0300

Rev.3.00

Jul.15.2005

The HD74LS283 adder is electrically and functionally identical to the HD74LS83A, respectively; only the arrangement

of the terminals has been changed.

This improved full adder performs the addition of two 4-bit binary words.

The sum (

Σ) outputs are provided for each bit and the resultant carry (C

carry term in then nanoseconds.

The adder logic, including the carry, is implemented in its true form.

End around carry can be accomplished without the need for logic or level inversion.

Features

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

Taping Abbreviation

(Quantity)

HD74LS283P

DILP-16 pin

PRDP0016AE-B

(DP-16FV)

P

—

HD74LS283FPEL

SOP-16 pin (JEITA)

PRSP0016DH-B

(FP-16DAV)

FP

EL (2,000 pcs/reel)

Note:

Please consult the sales office for the above package availability.

Pin Arrangement

(Top view)

GND

15

16

1

2

3

4

5

6

7

14

8

9

10

11

12

13