SY100EPT21LZI-TR

Translators, Level Shifters Overview

The SY100EPT21LZI-TR is a single differential LVPECL-to-LVTTL translator manufactured by Microchip Technology. It operates on a single +3.3V power supply and features a typical propagation delay of 1.9ns with a maximum input frequency (fMAX) of 275MHz at a 20pF load. The device provides a 24mA LVTTL output and includes a VBB reference voltage output. It is housed in an 8-pin SOIC package, supports the industrial temperature range from -40°C to +85°C, and utilizes a flow-through pinout.

Translators, Level Shifters Feature Summary

• Converts differential LVPECL signals to LVTTL levels using a single 3.3V supply
• Provides high-speed translation with low skew for clock or data signals
• Includes a VBB output for configurable differential, single-ended, or AC-coupled interfaces
• Ensures stability by forcing the Q output LOW under open input conditions

Translators, Level Shifters Applications

• ASIC/FPGA interface connections
• Legacy system interface bridging
• Precision differential-to-general-purpose single-ended translation

Translators, Level Shifters Procurement Notes

Verify that the component matches the specific Industrial temperature grade (-40°C to +85°C) required for your application environment. Confirm the 8-pin SOIC package type aligns with your PCB footprint design. Ensure the datasheet revision corresponds to the manufacturing batch to validate electrical characteristics and absolute maximum ratings before final integration.

Translators, Level Shifters Selection Notes

Select this component when minimal space, low power consumption, and cost efficiency are critical requirements. It serves as a direct pin-for-pin replacement for MC100EPT21D/DT devices. Consider alternative packages like MSOP if a smaller footprint is needed, though this specific model uses the standard SOIC configuration.

Translators, Level Shifters Part Context

This part belongs to the ECL Pro™ family of logic components designed for high-speed signal processing. Originally developed by Micrel, Inc., the product line was acquired by Microchip Technology. The device is engineered to bridge the gap between low-voltage positive ECL standards and general-purpose TTL logic families.

Translators, Level Shifters Replacement Considerations

Public confirmed substitute part numbers include MC100EPT21D and MC100EPT21DT.

Translators, Level Shifters FAQ

How does the device behave when inputs are left unconnected?

Under open input conditions, the /D input is biased at a VCC/2 voltage level while the D input is pulled to ground. This condition forces the Q output LOW to provide added circuit stability.

What is the function of the VBB pin?

The VBB pin serves as an output reference voltage. It allows the device to support differential, single-ended, or AC-coupled interfaces. If utilized, it should be bypassed to VCC with a 0.01 µF capacitor.