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SN54LS280 from TI,Texas Instruments

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SN54LS280

Manufacturer: TI

9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS

Partnumber Manufacturer Quantity Availability
SN54LS280 TI 110 In Stock

Description and Introduction

9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS The SN54LS280 is a 9-bit odd/even parity generator/checker manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Parity Generator/Checker  
- **Number of Bits:** 9  
- **Logic Family:** LS (Low-Power Schottky)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range (SN54):** -55°C to +125°C  
- **Propagation Delay (Typical):** 22 ns  
- **Power Dissipation (Typical):** 45 mW  
- **Input Type:** TTL-Compatible  
- **Output Type:** TTL-Compatible  

### **Descriptions:**  
- The SN54LS280 checks or generates parity for a 9-bit data word.  
- It provides both even and odd parity outputs.  
- Designed for high-speed operation with low power consumption.  

### **Features:**  
- **Odd/Even Parity Outputs:** Provides both ΣEVEN and ΣODD outputs.  
- **Wide Operating Voltage:** Supports standard 5V TTL logic levels.  
- **High Noise Immunity:** Typical of LS-series logic.  
- **Military Temperature Range:** Suitable for harsh environments (SN54 variant).  
- **Schottky-Clamped:** Ensures fast switching speeds.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS

Alternative Part Number

  • MC74LS280N --: Direct functional equivalent 9-bit odd/even parity generator/checker in the LS family, widely available and pin-compatible in DIP packages.
  • 74LS280PC --: Same LS-series parity generator/checker function with matching pinout, suitable as a drop-in replacement in most 54/74LS designs.
  • CD74HCT280E --: HCT-family parity generator/checker with TTL-compatible inputs, offering a lower-power CMOS alternative while preserving the same logic function.

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