SY100ELT21LZC-TR

Translators, Level Shifters Overview

The SY100ELT21LZC-TR is a single differential LVPECL-to-LVTTL translator manufactured by Microchip Technology. It operates on a +3.3V power supply and converts Low Voltage Positive ECL signals to TTL levels. The device features a typical propagation delay of 2.0ns, with a maximum input frequency of 275MHz at 20pF load. It utilizes an 8-pin SOIC package (Z8-1) and supports commercial temperature ranges (-40°C to +85°C).

Translators, Level Shifters Feature Summary

• Converts differential LVPECL inputs to LVTTL outputs using a single +3.3V supply.
• Provides low skew single gate design for clock or data signal translation.
• Includes VBB reference output for AC-coupled or single-ended interface support.

Translators, Level Shifters Applications

• Clock signal translation in high-speed digital systems.
• Data signal level shifting between LVPECL and LVTTL domains.
• Space-constrained designs requiring minimal component count.

Translators, Level Shifters Procurement Notes

Verify the specific ordering suffix 'ZC' confirms the commercial temperature range and Sn-Pb lead finish as documented in the manufacturer's ordering information table. Ensure compatibility with existing PCB footprints for the Z8-1 8-pin SOIC package. Confirm RoHS compliance status relative to project requirements, noting that Pb-Free variants carry different suffixes.

Translators, Level Shifters Selection Notes

Select this component when translating LVPECL sources to TTL destinations within a 3.3V system. The flow-through pinout simplifies layout compared to other translators. Consider the 275MHz maximum frequency limit for high-speed applications. Verify that the 24mA TTL output drive capability meets the receiving circuit's input requirements.

Translators, Level Shifters Part Context

This part belongs to the Precision Edge SY10/100ELT21L family from Micrel, now part of Microchip Technology. The 100ELT variant specifically targets compatibility with positive ECL 100K logic levels, distinguishing it from the 10ELT version which aligns with 10H standards. Both share identical pinouts and core functionality.

Translators, Level Shifters Replacement Considerations

SY10ELT21LZC-TR serves as a compatible alternative within the same family, differing only in ECL standard compatibility (10H vs 100K). Direct pin-for-pin replacements must maintain the 8-pin SOIC form factor and 3.3V operation constraints.