SN74AS286NSRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Function
• Characteristics: High-speed, Low-power, Schottky TTL
• Package: 14-pin Small Outline Integrated Circuit (SOIC)
• Essence: 9-bit Parity Generator/Checker
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Current: ±1mA
• Output Current: ±8mA
• Propagation Delay Time: 7ns (typical)
• Power Dissipation: 500mW (max)

Detailed Pin Configuration

The SN74AS286NSRG4 has a total of 14 pins, which are labeled as follows:

1. A0 (Input)
2. A1 (Input)
3. A2 (Input)
4. A3 (Input)
5. A4 (Input)
6. A5 (Input)
7. A6 (Input)
8. A7 (Input)
9. A8 (Input)
10. GND (Ground)
11. P (Output)
12. C (Output)
13. VCC (Supply Voltage)
14. B (Output)

Functional Features

The SN74AS286NSRG4 is a 9-bit parity generator/checker IC. It can generate or check the parity bit for a 9-bit binary word. The inputs A0-A8 represent the 9 bits of the word, while the outputs P and C indicate the parity and carry results, respectively. The B output provides the inverted parity result.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Schottky TTL technology ensures reliable performance

Disadvantages: - Limited to 9-bit parity generation/checking - Not suitable for applications requiring larger word sizes

Working Principles

The SN74AS286NSRG4 operates based on the principles of parity checking and generation. It uses exclusive OR (XOR) gates to compare the input bits and determine the parity. The carry output indicates whether an odd or even number of bits are set to logic high. The IC can be configured as a parity generator by providing the desired input bits, or as a parity checker by comparing the input bits with the expected parity.

Detailed Application Field Plans

The SN74AS286NSRG4 finds applications in various fields where parity checking or generation is required. Some of the detailed application field plans include:

1. Data Communication: Ensuring data integrity during transmission by verifying the parity of transmitted data.
2. Memory Systems: Checking the parity of stored data in memory modules to detect and correct errors.
3. Error Detection and Correction: Used in error detection and correction schemes to identify and fix bit errors in data streams.
4. Network Protocols: Implementing parity checks in network protocols to ensure reliable data transfer.
5. RAID Systems: Employed in redundant array of independent disks (RAID) systems to verify data integrity across multiple drives.

Detailed and Complete Alternative Models

1. SN74LS280N: 9-bit Parity Generator/Checker, Low-power Schottky TTL, DIP package.
2. SN54LS280J: 9-bit Parity Generator/Checker, Military-grade, Ceramic DIP package.
3. SN74HC280D: 9-bit Parity Generator/Checker, High-speed CMOS, SOIC package.
4. SN74F280N: 9-bit Parity Generator/Checker, Fast TTL, DIP package.
5. SN74LVC280APW: 9-bit Parity Generator/Checker, Low-voltage CMOS, TSSOP package.

These alternative models offer similar functionality to the SN74AS286NSRG4 but may differ in characteristics, package type, or technology used.

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