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CD54HCT688F3A from TI,Texas Instruments

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CD54HCT688F3A

Manufacturer: TI

High Speed CMOS Logic 8-Bit Magnitude Comparator

Partnumber Manufacturer Quantity Availability
CD54HCT688F3A TI 500 In Stock

Description and Introduction

High Speed CMOS Logic 8-Bit Magnitude Comparator The CD54HCT688F3A is a high-speed CMOS logic 8-bit magnitude comparator manufactured by Texas Instruments (TI). Here are its key specifications:

- **Logic Family**: HCT (High-Speed CMOS, TTL-compatible)
- **Function**: 8-bit magnitude comparator with latch
- **Supply Voltage Range**: 4.5V to 5.5V
- **Operating Temperature Range**: -55°C to +125°C (military grade)
- **Package**: Ceramic Flatpack (designated by "F3A")
- **Propagation Delay**: Typically 18ns at 5V
- **Input Current**: ±1µA (max)
- **Output Current**: ±4mA (max)
- **Power Dissipation**: Low (CMOS technology)
- **Features**: 
  - TTL-compatible inputs
  - Latch enable for data storage
  - Three-state outputs for bus-oriented applications

This device is designed for high-reliability applications, including military and aerospace systems.

Partnumber Manufacturer Quantity Availability
CD54HCT688F3A TI,TI 500 In Stock

Description and Introduction

High Speed CMOS Logic 8-Bit Magnitude Comparator The CD54HCT688F3A is a high-speed CMOS logic 8-bit magnitude comparator manufactured by Texas Instruments (TI). Here are the key specifications:

- **Logic Type**: 8-bit Magnitude Comparator  
- **Technology**: HCT (High-Speed CMOS, TTL compatible)  
- **Supply Voltage Range**: 4.5V to 5.5V  
- **Operating Temperature Range**: -55°C to +125°C  
- **Propagation Delay**: 23 ns (typical) at 5V  
- **Input Current**: ±1 µA (max)  
- **Output Current**: ±4 mA (max)  
- **Package Type**: 20-pin CDIP (Ceramic Dual In-Line Package)  
- **Features**:  
  - TTL-compatible inputs  
  - Low power consumption  
  - High noise immunity  

This device compares two 8-bit binary or BCD words and provides outputs indicating whether one is greater than, less than, or equal to the other.  

(Source: Texas Instruments datasheet for CD54HCT688F3A.)

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