SY100S325JC

Translators, Level Shifters Overview

The SY100S325JC is a low-power hex ECL-to-TTL translator manufactured by Microchip Technology. It converts 100K ECL logic levels to TTL logic levels within an extended supply voltage range of VEE = –4.2V to –5.5V and VTTL = +4.5V to +5.5V. The device features differential inputs with built-in offset, internal 75KΩ input pull-down resistors, and a maximum propagation delay of 3.7ns at 50pF load. It operates in a 28-pin PLCC package.

Translators, Level Shifters Feature Summary

• Hex translators for converting 100K ECL logic levels to TTL logic levels
• Differential inputs with built-in offset and internal 75KΩ pull-down resistors
• Internal reference voltage generator provides VBB for single-ended operation
• Function and pinout compatible with Fairchild F100K

Translators, Level Shifters Applications

• Converting ECL logic signals to TTL logic levels
• Single-ended receiver applications using VBB output
• Schmitt trigger applications utilizing the internal reference voltage

Translators, Level Shifters Procurement Notes

Verify component authenticity through authorized channels as this part may be subject to obsolescence or limited availability. Confirm that the specific ordering suffix matches the required temperature range and packaging format. Ensure compatibility with existing system power supplies and signal integrity requirements before procurement.

Translators, Level Shifters Selection Notes

Select this component when interfacing legacy ECL systems with modern TTL logic circuits. Consider the extended supply voltage option if operating conditions vary. Verify that the 28-pin PLCC package fits the target PCB layout and that the propagation delay specifications meet the timing constraints of the application.

Translators, Level Shifters Part Context

This device belongs to the SY100S325 series of low-power logic translators. It is designed to bridge the gap between high-speed ECL signaling and standard TTL interfaces. The product line includes variants with different temperature ratings and packaging options to suit various industrial and commercial environments.

Translators, Level Shifters Replacement Considerations

The datasheet notes functional and pinout compatibility with the Fairchild F100K. Designers should verify electrical characteristics against the original design specifications when considering this alternative.