SN74S280N

Product Overview

• Category: Integrated Circuit
• Use: Logic Function
• Characteristics: High-speed, Low-power consumption
• Package: DIP (Dual In-line Package)
• Essence: 9-bit Parity Generator/Checker
• Packaging/Quantity: Tube/25 pieces per tube

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±8mA
• Propagation Delay Time: 10ns (Max)
• Power Dissipation: 500mW (Max)

Detailed Pin Configuration

The SN74S280N has a total of 14 pins, which are numbered 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)
14. G2 (Gate 2)

Functional Features

The SN74S280N is a 9-bit parity generator/checker integrated circuit. It can be used to generate or check the parity bit for a 9-bit binary input. The device operates at high speed and consumes low power, making it suitable for various logic applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Compact DIP package - Easy to use and integrate into existing circuits

Disadvantages: - Limited to 9-bit parity generation/checking - Not suitable for applications requiring higher bit counts

Working Principles

The SN74S280N works by examining the input bits and generating a parity bit based on their values. It uses exclusive-OR (XOR) gates to perform the parity calculation. The generated parity bit is then outputted along with a carry bit, which indicates whether an overflow occurred during the calculation.

Detailed Application Field Plans

The SN74S280N can be used in various applications that require parity generation or checking. Some potential application fields include:

1. Data transmission systems: Ensuring data integrity by generating and checking parity bits.
2. Error detection and correction: Identifying and correcting errors in transmitted or stored data.
3. Memory systems: Implementing error detection and correction mechanisms in memory modules.
4. Communication protocols: Adding parity checking to ensure reliable communication between devices.

Detailed and Complete Alternative Models

1. SN54S280: Similar functionality but operates at a lower temperature range (-55°C to +125°C).
2. SN74LS280: Improved power dissipation characteristics compared to SN74S280N.
3. SN74HC280: Compatible with CMOS logic levels and offers reduced power consumption.

These alternative models provide similar functionality to the SN74S280N but may have different specifications or operating characteristics.

In conclusion, the SN74S280N is a high-speed, low-power 9-bit parity generator/checker integrated circuit. It is commonly used in various applications that require parity generation or checking. Its compact DIP package and ease of use make it a popular choice among designers. However, it is important to consider alternative models if specific requirements or constraints exist.