SN74LS283D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Arithmetic Logic Unit (ALU)
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compact package size
• Package: DIP (Dual In-line Package)
• Essence: The SN74LS283D is a 4-bit binary full adder with fast carry. It performs arithmetic and logical operations on two 4-bit inputs, providing a 4-bit sum output and a carry-out signal.
• Packaging/Quantity: Available in tubes or reels, with varying quantities depending on the supplier.

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage High Level (VIH): 2V (minimum)
• Input Voltage Low Level (VIL): 0.8V (maximum)
• Output Voltage High Level (VOH): 2.7V (minimum)
• Output Voltage Low Level (VOL): 0.5V (maximum)

Detailed Pin Configuration

The SN74LS283D has a total of 16 pins, which are assigned specific functions as follows:

1. A3: 4-bit input A, most significant bit
2. B3: 4-bit input B, most significant bit
3. A2: 4-bit input A, second most significant bit
4. B2: 4-bit input B, second most significant bit
5. A1: 4-bit input A, second least significant bit
6. B1: 4-bit input B, second least significant bit
7. A0: 4-bit input A, least significant bit
8. B0: 4-bit input B, least significant bit
9. CIN: Carry-in input
10. GND: Ground (0V)
11. S3: 4-bit sum output, most significant bit
12. S2: 4-bit sum output, second most significant bit
13. S1: 4-bit sum output, second least significant bit
14. S0: 4-bit sum output, least significant bit
15. COUT: Carry-out output
16. VCC: Positive power supply voltage

Functional Features

• Fast carry propagation time for efficient arithmetic operations.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range allows compatibility with various systems.
• Compact package size enables space-saving integration into circuit designs.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates quick calculations. - Low power consumption prolongs battery life. - Wide operating voltage range ensures versatility. - Compact package size saves space in circuit layouts.

Disadvantages: - Limited to 4-bit binary addition/subtraction operations. - May require additional components for more complex arithmetic functions.

Working Principles

The SN74LS283D utilizes a combination of logic gates and flip-flops to perform binary addition and subtraction operations. It employs fast carry lookahead logic to minimize the carry propagation delay, resulting in efficient arithmetic calculations.

Detailed Application Field Plans

The SN74LS283D is commonly used in various applications that require binary arithmetic operations, such as:

1. Microcontrollers and microprocessors
2. Digital signal processing systems
3. Arithmetic units in calculators and computers
4. Data encryption and decryption circuits
5. Control systems and robotics

Detailed and Complete Alternative Models

1. SN74LS283N: Similar to SN74LS283D but in a different package (PDIP).
2. SN54LS283J: 4-bit binary full adder with slightly different specifications.
3. SN74LS283DBR: Surface mount version of SN74LS283D in tape and reel packaging.

These alternative models offer similar functionality but may vary in package type, pin configuration, or operating temperature range.

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