Overview
The SN74LS283NS is a 4-Bit Binary Full Adder integrated circuit produced by Texas Instruments. This component is part of the 74LS series, known for its low power consumption and high speed. The SN74LS283NS is electrically and functionally identical to the SN74LS83A, with the primary difference being the arrangement of the terminals. It is designed to perform the addition of two 4-bit binary words, providing sum outputs for each bit and a resultant carry output from the fourth bit.
The device features full internal look-ahead across all four bits, generating the carry term quickly, typically in 10 nanoseconds for the 'LS283 series. This capability offers system designers partial look-ahead performance with the economy and reduced package count of a ripple-carry implementation.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | PDIP (N), SOIC (D), SOP (NS) |
| Pins | 16 |
| Operating Temperature Range (°C) | 0 to 70 |
| Supply Voltage (V) | 4.75 to 5.25 |
| Typical Propagation Delay (ns) | 10 |
| Package Qty | 25 (TUBE), 2000 (SOP NS) |
| Eco Plan | RoHS & Green |
Key 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 P-C Board Layout
- End Around Carry Can Be Accomplished Without the Need for Logic or Level Inversion
Applications
The SN74LS283NS is suitable for various digital logic and arithmetic circuits where high-speed addition of binary numbers is required. It is commonly used in:
- Digital Computers and Processors
- High-Speed Digital Logic Circuits
- Arithmetic Logic Units (ALUs)
- Embedded Systems Requiring Fast Binary Arithmetic
Q & A
- What is the primary function of the SN74LS283NS?
The primary function is to perform the addition of two 4-bit binary words and generate a resultant carry output.
- What is the typical propagation delay of the SN74LS283NS?
The typical propagation delay is 10 nanoseconds.
- What are the operating temperature ranges for the SN74LS283NS?
The operating temperature range is from 0°C to 70°C.
- What package types are available for the SN74LS283NS?
The available package types include PDIP (N), SOIC (D), and SOP (NS).
- Is the SN74LS283NS RoHS compliant?
- How many pins does the SN74LS283NS have?
The SN74LS283NS has 16 pins.
- What is the supply voltage range for the SN74LS283NS?
The supply voltage range is from 4.75V to 5.25V.
- Can the SN74LS283NS perform end-around carry without additional logic?
- What series is the SN74LS283NS part of?
- What are some common applications of the SN74LS283NS?
