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M74HCT688RM13TR from ST,ST Microelectronics

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M74HCT688RM13TR

Manufacturer: ST

8 BIT EQUALITY COMPARATOR

Partnumber Manufacturer Quantity Availability
M74HCT688RM13TR ST 3990 In Stock

Description and Introduction

8 BIT EQUALITY COMPARATOR The **M74HCT688RM13TR** is a high-speed CMOS 8-bit magnitude comparator manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Logic Family:** HCT (High-Speed CMOS, TTL compatible)  
- **Number of Bits:** 8-bit  
- **Function:** Magnitude Comparator (compares two 8-bit binary words)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-20 (Small Outline, 20-pin)  
- **Propagation Delay:** Typically 30 ns at 5V  
- **Input Current (Max):** ±1 µA  
- **Output Current (Max):** ±4 mA (sink/source)  
- **TTL-Compatible Inputs:** Yes  
- **Low Power Consumption:** CMOS technology  

### **Descriptions and Features:**  
- **Magnitude Comparison:** Compares two 8-bit binary inputs (A and B) and provides outputs indicating whether A > B, A < B, or A = B.  
- **Cascadable:** Can be cascaded for larger word comparisons.  
- **High Noise Immunity:** CMOS technology ensures good noise margins.  
- **Wide Operating Voltage:** Compatible with standard 5V logic systems.  
- **Fast Operation:** Suitable for high-speed digital applications.  
- **TTL Compatibility:** HCT series ensures direct interfacing with TTL logic levels.  

This device is commonly used in digital systems for arithmetic operations, data processing, and control logic applications.

Application Scenarios & Design Considerations

8 BIT EQUALITY COMPARATOR

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