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SN54LS687J from TI,Texas Instruments

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SN54LS687J

Manufacturer: TI

8-BIT MAGNITUDE COMPARATORS

Partnumber Manufacturer Quantity Availability
SN54LS687J TI 50 In Stock

Description and Introduction

8-BIT MAGNITUDE COMPARATORS The SN54LS687J is a 8-bit magnitude comparator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Technology:** LS (Low-Power Schottky)  
- **Package:** Ceramic DIP (J)  
- **Operating Voltage:** 4.75V to 5.25V  
- **Operating Temperature Range:** -55°C to +125°C (Military grade)  
- **Input Type:** TTL-Compatible  
- **Output Type:** Active-Low (Open-Collector)  
- **Propagation Delay:** Typically 25ns (max 40ns)  
- **Power Dissipation:** Typically 45mW  

### **Descriptions:**  
The SN54LS687J compares two 8-bit binary or BCD words (A and B) and provides three output signals indicating whether A > B, A = B, or A < B. It is designed for high-speed arithmetic operations in digital systems.  

### **Features:**  
- **8-Bit Magnitude Comparison**  
- **Cascadable for Larger Word Sizes**  
- **TTL-Compatible Inputs and Outputs**  
- **Open-Collector Outputs for Wired-OR Applications**  
- **High-Speed Operation**  
- **Low Power Consumption**  
- **Military Temperature Range (-55°C to +125°C)**  

This device is part of TI’s SN54LS series, which is known for reliability in harsh environments.

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