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74LS283 4-bit Adder
74LS283
Texas Instrumentsic logic
The 74LS283 is a 4-bit adder that performs binary addition and subtraction operations.
In stock
Specifications
2- Package
- CDIP (J), PDIP (N), SOIC (D)
- Operating Voltage
- 5.0 V V
Pinout
18Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | A0 | GPIO | Bit 0 of the first addend |
| 2 | B0 | GPIO | Bit 0 of the second addend |
| 3 | C0 | GPIO | Bit 0 of the carry in, bit 1 of the first addend |
| 4 | S0 | GPIO | Bit 0 of the sum |
| 5 | CO0 | GPIO | Bit 1 of the carry out, bit 0 of the second addend |
| 6 | A1 | GPIO | Bit 1 of the first addend |
| 7 | B1 | GPIO | Bit 1 of the second addend |
| 8 | C1 | GPIO | Bit 1 of the carry in, bit 2 of the first addend |
| 9 | S1 | GPIO | Bit 1 of the sum |
| 10 | CO1 | GPIO | Bit 2 of the carry out, bit 1 of the second addend |
| 11 | A2 | GPIO | Bit 2 of the first addend |
| 12 | B2 | GPIO | Bit 2 of the second addend |
| 13 | C2 | GPIO | Bit 2 of the carry in, bit 3 of the first addend |
| 14 | S2 | GPIO | Bit 2 of the sum |
| 15 | CO2 | GPIO | Bit 3 of the carry out, bit 2 of the second addend |
| 16 | C3 | GPIO | Bit 3 of the carry in, bit 4 of the first addend |
| 17 | S3 | GPIO | Bit 3 of the sum |
| 18 | CO3 | GPIO | Bit 4 of the carry out, bit 3 of the second addend |
Interactive pinout
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74LS283
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