| Part Number | 74283 |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | These full adders perform the addition of two 4-bit binary numbers The sum (R) outputs are provided for each bit and the resultant carry (C4) is obtained from the fourth bit These adders feature full . Y Y Y Y Y Full-carry look-ahead across the four bits Systems achieve partial look-ahead performance with the economy of ripple carry Typical add times Two 8-bit words 25 ns Two 16-bit words 45 ns Typical power dissipation per 4-bit adder 95 mW Alternate Military Aerospace device (54LS283) is avai. |