45 nsec, Ultra Low Power, Low Voltage, Rail-to-Rail Input Comparator with Open-Drain/Push-Pull Output The LMV7239M5X is a low-voltage comparator manufactured by National Semiconductor (NS国半).  

**Key Specifications:**  
- **Supply Voltage Range:** 2.7V to 5V  
- **Low Quiescent Current:** 20µA (typical)  
- **Propagation Delay:** 1.3µs (typical)  
- **Input Common-Mode Range:** Extends 200mV below ground  
- **Output Type:** Push-Pull (rail-to-rail)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

**Descriptions and Features:**  
- Ultra-low power consumption for battery-operated applications  
- Rail-to-rail input and output operation  
- Internal hysteresis for improved noise immunity  
- ESD protection up to 2kV (HBM)  
- Suitable for portable, industrial, and consumer electronics  

This comparator is designed for precision applications requiring low power and small footprint.

45 nsec, Ultra Low Power, Low Voltage, Rail-to-Rail Input Comparator with Open-Drain/Push-Pull Output