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HD74LS283

4-bit Binary Full Adder

Renesas Electronics 

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 (C4) is obtained from the fourth bits generating the

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

HD74LS283P

DILP-16 pin

PRDP0016AE-B

P

(DP-16FV)

HD74LS283FPEL SOP-16 pin (JEITA)

PRSP0016DH-B

(FP-16DAV)

FP

Note: Please consult the sales office for the above package availability.

Taping Abbreviation

(Quantity)

—

EL (2,000 pcs/reel)

Pin Arrangement

Σ2 1

B2 2

A2 3

Σ1 4

A1 5

B1 6

C0 7

GND 8

Σ2

B2

B3

A2

A3

Σ1

Σ3

A1

A4

B1

B4

C0

Σ4

C4

16 VCC

15 B3

14 A3

13 Σ3

12 A4

11 B4

10 Σ4

9 C4

(Top view)

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

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