3.3V / 5V ECL Quad D Flip Flop with Set, Reset, and Differential Clock The MC100EP131FA is a high-speed differential receiver manufactured by ON Semiconductor (formerly part of Motorola, hence the "MOT" designation).  

### **Manufacturer Specifications:**  
- **Manufacturer:** ON Semiconductor (originally Motorola)  
- **Series:** MC100EP  
- **Package:** 32-LQFP  
- **Logic Family:** ECL (Emitter-Coupled Logic)  
- **Supply Voltage:** -3.0V to -5.5V (Negative Supply)  
- **Operating Temperature:** -40°C to +85°C  
- **Propagation Delay:** ~400ps (typical)  
- **Input Type:** Differential  
- **Output Type:** Differential  
- **Number of Receivers:** 1  

### **Descriptions and Features:**  
- **High-Speed Operation:** Designed for high-frequency applications with fast switching speeds.  
- **Differential Inputs/Outputs:** Supports differential signaling for noise immunity.  
- **Low Skew:** Minimizes timing variations between outputs.  
- **ECL-Compatible:** Works with standard ECL logic levels.  
- **Applications:** Used in clock distribution, data communication, and high-speed signal processing.  
- **Internal Termination:** Some versions include on-chip termination resistors.  

This device is commonly used in telecommunications, networking, and high-performance computing systems requiring precise timing and signal integrity.

3.3V / 5V ECL Quad D Flip Flop with Set, Reset, and Differential Clock