5V ECL 6-Bit D Register Differential Data and Clock The MC100E451FNR2 is a high-speed ECL (Emitter-Coupled Logic) device manufactured by ON Semiconductor (formerly part of Motorola's Semiconductor Components Group).  

### **Manufacturer:**  
- **MOT (Motorola)** (now part of ON Semiconductor)  

### **Specifications:**  
- **Logic Family:** ECL (Emitter-Coupled Logic)  
- **Series:** MC100E  
- **Function:** 9-Bit Parity Generator/Checker  
- **Operating Voltage:** -5.2V (Standard ECL power supply)  
- **Propagation Delay:** Typically 1.1 ns (for high-speed operation)  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) depending on variant  
- **Package:** 28-Lead PLCC (Plastic Leaded Chip Carrier)  

### **Descriptions and Features:**  
- **9-Bit Parity Function:** Generates or checks parity for 9-bit data words.  
- **High-Speed Operation:** Designed for high-performance computing and communication systems.  
- **ECL Interface:** Compatible with other ECL logic families for high-speed signal processing.  
- **Differential Inputs/Outputs:** Supports differential signaling for noise immunity.  
- **Applications:** Used in high-speed data processing, telecommunications, and networking equipment.  

This part is now under ON Semiconductor's product portfolio following Motorola's semiconductor division transition.

5V ECL 6-Bit D Register Differential Data and Clock