MC100EL58DR2G

Overview

The MC100EL58DR2G is a 5.0V ECL 2:1 multiplexer from onsemi, functionally equivalent to the E158 but with significantly faster propagation delays and output transition times. It features temperature compensation within the 100 Series for stable performance across varying thermal conditions. The device supports PECL mode (VCC = 4.2 V to 5.7 V, VEE = 0 V) and NECL mode (VCC = 0 V, VEE = −4.2 V to −5.7 V). Key electrical parameters include a maximum propagation delay of 380 ps at -40°C and 360 ps at +85°C, a maximum toggle frequency of 1.5 GHz, and an internal input pulldown resistor of 75 kΩ on data and select lines.

Feature Summary

• Temperature compensated design ensures consistent AC performance across the operating temperature range.
• Internal input pulldown resistors on data and select inputs reduce external circuit complexity and improve signal stability.
• Supports both PECL and NECL logic families with wide supply voltage flexibility.
• High-speed switching capabilities suitable for applications requiring ultimate AC performance.

Applications

• Clock and data multiplexing in high-speed communication systems
• Signal routing in SONET/SDH infrastructure
• Data distribution networks requiring low skew and fast transition times

Procurement Notes

Verify the specific suffix DR2G corresponds to the SOIC-8 tape and reel packaging configuration. Confirm RoHS compliance status as Pb-Free and Halogen-Free during procurement. Ensure the ordering quantity aligns with the standard shipping unit of 2500 units per reel. Cross-reference the manufacturer part number against current availability lists to confirm active production status versus discontinued recommendations.

Selection Notes

Select this component when temperature compensation is required for ECL multiplexing applications. Compare propagation delay specifications against system timing budgets to ensure the 380 ps maximum meets requirements. Verify that the power supply architecture supports either PECL or NECL configurations. Consider the SOIC-8 package dimensions for PCB layout constraints relative to alternative TSSOP options.

Part Context

This device belongs to the MC100EL series of high-performance ECL logic components. It serves as a direct functional replacement for legacy E158 devices while offering superior speed characteristics. The 100 Series designation specifically indicates the inclusion of temperature compensation circuitry, distinguishing it from the standard MC10EL variants which lack this feature.

Replacement Considerations

MC10EL58DG is listed as a parameter-equivalent substitute option.