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MC10H646 from MOTOROLA

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MC10H646

Manufacturer: MOTOROLA, ON, MOT

PECL/TTL-TTL 1:8 Distribution Chip

Partnumber Manufacturer Quantity Availability
MC10H646 MOTOROLA, ON, MOT 1517 In Stock

Description and Introduction

PECL/TTL-TTL 1:8 Distribution Chip The MC10H646 is a high-speed ECL (Emitter-Coupled Logic) device manufactured by **MOTOROLA**. Below are its key specifications, descriptions, and features based on available factual information:

### **Specifications:**
- **Logic Family:** ECL (10H Series)  
- **Function:** 8-Bit Universal Shift Register  
- **Operating Voltage:** -5.2V (standard ECL power supply)  
- **Propagation Delay:** Typically **1.5 ns** (for high-speed operation)  
- **Operating Temperature Range:** **0°C to +75°C** (commercial grade)  
- **Package Type:** Available in **PLCC (Plastic Leaded Chip Carrier)** and other standard ECL packages.  

### **Descriptions:**
- The MC10H646 is an **8-bit universal shift register** designed for high-speed data manipulation.  
- It supports **parallel-in/parallel-out, serial-in/serial-out, and bidirectional shifting** operations.  
- Suitable for applications requiring **very fast data transfer and storage**, such as telecommunications and computing systems.  

### **Features:**
1. **High-Speed Performance:** Optimized for ECL systems with sub-nanosecond propagation delays.  
2. **Universal Operation:** Supports multiple shift modes (parallel load, serial shift left/right).  
3. **Synchronous Control:** Clocked operation for precise timing.  
4. **ECL-Compatible Inputs/Outputs:** Ensures seamless integration with other ECL logic devices.  
5. **Low Skew:** Minimizes timing variations in high-frequency applications.  

For exact pin configurations and detailed electrical characteristics, refer to the official **MOTOROLA MC10H646 datasheet**.  

*(Note: This information is based on historical Motorola documentation; verify with official sources for current details.)*

Application Scenarios & Design Considerations

PECL/TTL-TTL 1:8 Distribution Chip

Alternative Part Number

  • SY10H646L --: Pin-compatible ECL/PECL clock driver from the SY10H series, designed as a direct functional replacement for the MC10H646 with similar fanout and supply requirements.
  • NB6L646M --: ON Semiconductor (successor to Motorola's logic business) offers this ECL/PECL clock distribution device with comparable functionality and compatible package options.
  • MC100EP646 --: ECL/PECL clock driver in the 100EP family with similar differential clock distribution function, suitable as a higher-speed alternative when board layout permits.
  • MC100EP16 --: Differential ECL/PECL receiver/driver from the EP series that can serve similar clock distribution roles, though pinout should be verified.
  • NB6L16 --: High-speed differential clock/driver IC with ECL-compatible outputs, suitable as a functional substitute where exact pinout is not critical.
  • MC100EP111 --: Similar ECL/PECL clock fanout buffer from ON Semiconductor, suitable replacement when the exact 10H646 function is needed with comparable signaling.
  • NB6L11SMNG --: Modern low-voltage differential clock fanout buffer that can replace the older ECL clock driver in new designs with better availability.

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