SN74AS286DRG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Gates
• Characteristics: High-speed, Low-power, TTL-Compatible
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: 9-Bit Parity Generator/Checker
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 10ns (typical)
• Power Dissipation: 22mW (typical)

Detailed Pin Configuration

The SN74AS286DRG4 has a total of 20 pins. The pin configuration is as follows:

1. GND (Ground)
2. A0 (Input A0)
3. A1 (Input A1)
4. A2 (Input A2)
5. A3 (Input A3)
6. A4 (Input A4)
7. A5 (Input A5)
8. A6 (Input A6)
9. A7 (Input A7)
10. A8 (Input A8)
11. P (Parity Output)
12. C (Carry Output)
13. G1 (Gate 1 Input)
14. G2 (Gate 2 Input)
15. G3 (Gate 3 Input)
16. G4 (Gate 4 Input)
17. G5 (Gate 5 Input)
18. G6 (Gate 6 Input)
19. G7 (Gate 7 Input)
20. VCC (Supply Voltage)

Functional Features

The SN74AS286DRG4 is a 9-bit parity generator/checker integrated circuit. It is designed to generate or check parity for 9-bit data words. The device operates at high speed and low power, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - TTL-compatible inputs and outputs - Compact SOIC package for space-saving designs

Disadvantages: - Limited to 9-bit parity generation/checking - Requires external gates for larger word sizes

Working Principles

The SN74AS286DRG4 uses exclusive OR (XOR) gates to perform the parity generation and checking functions. The inputs A0 to A8 are used to input the data word, and the outputs P and C provide the parity and carry results, respectively. The device compares the number of high bits in the data word and generates the appropriate parity bit.

Detailed Application Field Plans

The SN74AS286DRG4 can be used in various applications that require parity generation or checking. Some potential application fields include:

1. Data communication systems
2. Error detection and correction circuits
3. Memory systems
4. Computer networks
5. Industrial control systems

Detailed and Complete Alternative Models

1. SN74LS286: Low-power Schottky version with similar functionality
2. SN74HC286: High-speed CMOS version with improved power efficiency
3. SN74ACT286: Advanced CMOS version with increased operating temperature range

These alternative models offer similar functionality to the SN74AS286DRG4 but may have different characteristics or specifications.

In conclusion, the SN74AS286DRG4 is a high-speed, low-power 9-bit parity generator/checker integrated circuit. It is widely used in various applications that require data integrity and error detection. With its compact package and TTL compatibility, it offers convenience and reliability in circuit designs.