ZL40255LDG1

Overview

The ZL40255LDG1 is a SmartBuffer clock buffer manufactured by Microchip Technology, housed in a QFN-32 package. It features three programmable outputs capable of supporting CML, CMOS, HCSL, HSTL, LVDS, and LVPECL signal standards. The device operates with an input frequency up to 1.035 GHz and delivers a maximum output frequency of 1.035 GHz. Electrical specifications include a maximum propagation delay of 3.9 ns and a supply voltage range of 1.71 V to 3.465 V. It functions within a temperature range of -40°C to +85°C.

Feature Summary

• Three-output programmable fanout configuration
• Supports multiple output standards including CML, CMOS, HCSL, HSTL, LVDS, and LVPECL
• Maximum operating frequency of 1.035 GHz
• QFN-32 surface-mount packaging

Applications

• High-speed digital system clock distribution
• Programmable fanout buffering for data converters
• Telecommunications infrastructure timing networks

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and tape/reel specifications. Confirm RoHS compliance status through the manufacturer's current product change notifications or datasheet revision history before procurement.

Selection Notes

Select this component when a three-channel clock distribution solution is required with flexible output voltage levels. Ensure the design accommodates the 1.71 V to 3.465 V supply range and verify that the 3.9 ns maximum propagation delay meets the system timing requirements.

Part Context

This part belongs to the Microchip SmartBuffer family of clock buffers. These devices are designed to provide low-jitter clock distribution with programmable output characteristics, serving as critical components in synchronizing high-speed digital circuits across various industrial and communication applications.

Replacement Considerations

Consult the official Microchip cross-reference guide for verified substitute part numbers. Do not assume functional compatibility with other models based solely on package similarity.