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HD74LS83AP

4-Bit Binary Full Adders(with Fast Carry)

Renesas Electronics 

HD74LS83A

4-bit Binary Full Adder (with Fast Carry)

REJ03D0420–0200

Rev.2.00

Feb.18.2005

This improved full adder performs the addition of two 4-bit binary numbers. The sum (Σ) outputs are provided for each

bit and the resultant carry (C4) is obtained from the fourth bit. This adder features full internal look ahead across all

four bit generating the carry term in ten nanoseconds typically. This provides the system designer with partial look-

ahead performance at the economy and reduced package count of a ripple-carry implementation.

Features

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

HD74LS83AP

DILP-16 pin

PRDP0016AE-B

(DP-16FV)

P

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

Taping Abbreviation

(Quantity)

—

Pin Arrangement

A4 1

Σ3 2

A3 3

B3 4

VCC 5

Σ2 6

B2 7

A2 8

Σ3 A4

B4

Σ4

A3

C4

B3

C0

Σ2

B1

B2 A2 Σ1 A1

16 B4

15 Σ4

14 C4

13 C0

12 GND

11 B1

10 A1

9 Σ1

(Top view)

Rev.2.00, Feb.18.2005, page 1 of 7

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