74283 Pin Configuration
| 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 |
Features for the 74283
- 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:
- 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 uA
- Low-Level Output Current: 8 mA
- Propagation Delay Time: 17 ns, 22 ns, 24 ns
- Number of Bits: 4-bit
- Number of Channels: 4 Channel
- Supply Voltage – Min: 4.75 V
- Supply Voltage – Max: 5.25 V
- Operating Supply Voltage: 5 V
- Minimum Operating Temperature: 0°C
- Maximum Operating Temperature: +70°C
- Mounting Style: Through Hole
- Package/Case: PDIP-16
