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Description

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 |
- 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