The 74LS283 4-Bit Binary full adders perform the addition of two 4-bit binary words. The sum of the outputs is provided for each bit and the resultant carry (C4) is obtained from the fourth bit. These adders feature full internal look-ahead across all four bits generating the carry term in ten nanoseconds. The 74LS283 IC has a wide range of working voltage, a wide range of working conditions, and directly interfaces with CMOS, NMOS, and TTL components. The IC 74LS283 is smaller in size and it has a much faster speed which makes it reliable in every kind of device.
What is a Binary Full Adder Circuit?
A Binary full adder circuit is a digital circuit that performs addition. Full adders are implemented with logic gates in hardware. A full adder adds three one-bit binary numbers, two operands, and a carry bit. The adder outputs two numbers, a sum and a carry bit.
74LS283 Pinout
74LS283 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 |
74LS283 Features & Specifications
- Function: Arithmetic
- Bits (#): 4
- Technology Family: LS
- VCC (Min): 4.75V
- VCC (Max): 5.25V
- Input type: TTL
- Output type: CMOS
- Full-carry look-ahead across the four bits
- Systems achieve partial look-ahead performance with the economy of ripple carry
- Typical power dissipation per 4-bit adder: 95 mW
- Fast Add Times
- Operating Temperature up to 70°C
- Standard TTL Switching Voltage
Applications
- High Speed Arithmetic operations
- Miniature calculators
- Counters
- Simple logic control designs
You can download this datasheet for 74LS283 4-Bit Binary Full Adder IC from the link provided below:
See Also: 74LS164 8-Bit Shift Register IC With Parallel Outputs – Datasheet | 74LS148 8 To 3 Line Priority Encoder IC – Datasheet | 74LS135 Quad 2-Input XOR Logic Gate IC – Datasheet
