| 54ACT283 | National Semiconductor | 4-Bit Binary Full Adder with Fast Carry |
| 54ACT283LMQB | National Semiconductor | 4-Bit Binary Full Adder with Fast Carry |
| 54ACT283DMQB | National Semiconductor | 4-Bit Binary Full Adder with Fast Carry |
| 54ACT283FMQB | National Semiconductor | 4-Bit Binary Full Adder with Fast Carry |
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