74F283

74F283 4-Bit Binary Full Adder with Fast Carry

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74F283 4-Bit Binary Full Adder with Fast Carry

April 1988 Revised January 2004

74F283 4-Bit Binary Full Adder with Fast Carry
General Description
The 74F283 high-speed 4-bit binary full adder with internal carry lookahead accepts two 4-bit binary words (A0 A3, B0 B3) and a Carry input (C0). It generates the binary Sum outputs (S0 S3) and the Carry output (C4) from the most significant bit. The 74F283 will operate with either active HIGH or active LOW operands (positive or negative logic).

Ordering Code:
Order Number 74F283SC 74F283PC Package Number M16A N16E Package Description 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

Logic Symbols

Connection Diagram

IEEE/IEC

Unit Loading/Fan Out
Pin Names A0 A3 B0 B3 C0 S0 S3 C4 Description A Operand Inputs B Operand Inputs Carry Input Sum Outputs Carry Output U.L. Input IIH/IIL 20 A/-1.2 mA 20 A/-1.2 mA 20 A/-0.6 mA HIGH/LOW Output IOH/IOL 1.0/2.0 1.0/2.0 1.0/1.0 50/33.3 50/33.3

-1 mA/20 mA -1 mA/20 mA

2004 Fairchild Semiconductor Corporation

DS009513

www.fairchildsemi.com