74283 4-Bit Binary Adder 5V 66mA IC DIP-16
The 74283 is a 4-bit binary full-adder designed to perform high-speed binary addition in digital logic systems. It adds two 4-bit input numbers, A and B, together with a carry input, producing a 4-bit sum and a carry output. Its internal carry-processing circuitry supports efficient addition, making it suitable for arithmetic operations in digital systems.
The IC is commonly used in arithmetic logic circuits, digital processors, calculators, counters, and data-processing applications. Multiple adder ICs can be cascaded to build wider arithmetic circuits for handling larger binary numbers. Its DIP-16 through-hole package makes it suitable for breadboard experiments, educational projects, circuit prototyping, and PCB assembly.
Features:
- Full-Carry Look-Ahead Across the Four Bits
- Systems Achieve Partial Look-Ahead Performance with the Economy of Ripple Carry
- Supply Voltage and Ground on Corner Pins to Simplify the P-C Board Layout
Specifications:
| Specification | Value |
|---|---|
| Series | SN74LS283 |
| Product Type | Logic Adder & Subtractor |
| Function | Binary Full Adders with Fast Carry |
| Logic Type | Bipolar |
| Logic Family | LS |
| High-Level Output Current | -400 µA |
| Low-Level Output Current | 8 mA |
| Propagation Delay Time | 17 ns, 22 ns, 24 ns |
| Number of Bits | 4-bit |
| Number of Channels | 4 |
| Minimum Supply Voltage | 4.75V |
| Maximum Supply Voltage | 5.25V |
| Operating Supply Voltage | 5V |
| Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | +70°C |
| Mounting Style | Through-Hole |
| Package/Case | PDIP-16 |
Pinout:
| Pin No | Pin Name | Description |
|---|---|---|
| 1 | Σ2 | Sum Output Pin Σ2 |
| 2 | B2 | Operand Input Pin B2 |
| 3 | A2 | Operand Input Pin A2 |
| 4 | Σ1 | Sum Output Pin Σ1 |
| 5 | A1 | Operand Input Pin A1 |
| 6 | B1 | Operand Input Pin B1 |
| 7 | C0 | Carry Input C0 |
| 8 | GND | Ground Pin |
| 9 | C4 | Operand Input Pin C4 |
| 10 | Σ4 | Sum Output Pin Σ4 |
| 11 | B4 | Operand Input Pin B4 |
| 12 | A4 | Operand Input Pin A4 |
| 13 | Σ3 | Sum Output Pin Σ3 |
| 14 | A3 | Operand Input Pin A3 |
| 15 | B3 | Operand Input Pin B3 |
| 16 | Vcc | Chip Supply Voltage |
Applications:
- Binary arithmetic circuits.
- Arithmetic logic units (ALUs).
- Digital calculators.
- Processor and controller circuits.
- Binary addition and data processing.
- Multi-bit adder construction.
- Digital computing systems.
- Educational electronics projects.
Packages Included:
- 1 × 74283 4-Bit Binary Adder 5V 66mA IC DIP-16.
