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SN54LS683J from TI,Texas Instruments

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SN54LS683J

Manufacturer: TI

8-BIT MAGNITUDE/IDENTITTY COMPARATORS

Partnumber Manufacturer Quantity Availability
SN54LS683J TI 50 In Stock

Description and Introduction

8-BIT MAGNITUDE/IDENTITTY COMPARATORS The SN54LS683J is a high-speed 8-bit magnitude comparator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** 8-bit magnitude comparator  
- **Operating Voltage:** 4.75V to 5.25V  
- **Propagation Delay:** Typically 18ns (max 30ns)  
- **Power Consumption:** Low power dissipation  
- **Package Type:** Ceramic DIP (Dual In-line Package)  
- **Operating Temperature Range:** -55°C to +125°C (military-grade)  
- **Output Type:** Totem-pole  

### **Descriptions:**  
- Compares two 8-bit binary or BCD numbers (A and B)  
- Provides three outputs: A > B, A < B, and A = B  
- Cascadable for larger word comparisons  
- TTL-compatible inputs and outputs  

### **Features:**  
- High-speed operation  
- Low power consumption  
- Direct comparison of two 8-bit words  
- Expandable for longer word lengths  
- Military-grade reliability  

This device is part of TI's SN54LS series, designed for robust performance in harsh environments.

Application Scenarios & Design Considerations

8-BIT MAGNITUDE/IDENTITTY COMPARATORS

Alternative Part Number

  • 5962-8686401LA --: SMD/DSCC-standard equivalent of the 54LS683 comparator, same function and pinout, qualified for military temperature range.
  • M38510/07801BEA --: QML-qualified 54LS-series 8-bit magnitude comparator with identical logic function and pinout, direct drop-in replacement.
  • DM54LS683J --: Second-source 54LS683 comparator in ceramic DIP with the same pinout and electrical characteristics, suitable as a form-fit-function alternative.

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