MC100EP57DTG

Overview

The MC100EP57DTG is a high-performance differential multiplexer from the onsemi MC100 series, designed for ECL logic applications. It functions as a fully differential 4:1 multiplexer, capable of operating as a 2:1 multiplexer when the SEL1 input is pulled low. The device supports both PECL and NECL power supply configurations, accommodating VCC voltages from 3.0V to 5.5V or VEE voltages from -3.0V to -5.5V. It features a typical propagation delay of 375 ps and supports maximum frequencies exceeding 2 GHz. The component is housed in an 8-pin TSSOP surface-mount package and operates within a temperature range of -40°C to +85°C.

Feature Summary

• Fully differential architecture ensures low skew performance suitable for critical timing applications
• Configurable operation allows use as either a 4:1 or 2:1 multiplexer based on select line configuration
• Integrated temperature compensation maintains stable electrical characteristics across varying thermal conditions
• Built-in input safety clamping and open-input default states enhance signal integrity and reliability

Applications

• Clock distribution networks requiring minimal skew
• High-speed data routing systems
• Telecommunications infrastructure equipment
• Test and measurement instrumentation

Procurement Notes

Verify the specific suffix DTG confirms the TSSOP-8 package and RoHS compliance status before procurement. Confirm that the MC100EP57 designation matches the required 4:1 multiplexer function rather than similar variants like the MC10EP57 which may share pinouts but differ in electrical specifications. Ensure design compatibility with the specified 3.0V to 5.5V power supply ranges for your target PECL or NECL application environment.

Selection Notes

Select this component when low skew differential signaling is required for clock or data paths. The internal VBB outputs simplify biasing for AC-coupled inputs, reducing external component count. Consider the 375 ps propagation delay and >2 GHz frequency capability against system timing budgets. Verify that the single-channel nature fits the design; if multiple channels are needed, evaluate quad-channel alternatives within the same logic family.

Part Context

This part belongs to the MC100EP series of ECL logic devices manufactured by onsemi. The series focuses on high-speed digital switching applications where speed and signal integrity are paramount. The EP suffix typically denotes enhanced performance characteristics compared to standard MC100 parts. This specific model integrates multiplexing functionality into a compact surface-mount form factor, aligning with industry trends for dense, high-speed digital interconnects.

Replacement Considerations

The MC10EP57 is a direct functional equivalent within the same product family, sharing identical pinouts and logical operations. Designers should verify if the specific electrical tolerances or temperature compensation features of the MC100 variant are strictly necessary for the application, as the MC10EP57 offers comparable performance in many high-speed contexts.