ZL30734LDG1

Overview

The ZL30734LDG1 is a clock synchronizer manufactured by Microchip Technology, designed for enhanced 1588 timing applications. It features four input channels and ten output channels, housed in a VQFN-64 package. The device supports maximum input frequencies up to 1.25 GHz and delivers output frequencies reaching 750 MHz. Key performance metrics include a jitter specification of 0.1 ps. It operates within a temperature range of -40°C to +85°C and utilizes supply voltages of 1.8 V and 3.3 V.

Feature Summary

• Four-channel input architecture with ten differential or CMOS outputs
• Enhanced IEEE 1588 precision time protocol support
• Ultra-low jitter performance specified at 0.1 ps
• Supports input frequencies up to 1.25 GHz and output frequencies up to 750 MHz

Applications

• Telecommunications network synchronization equipment
• Base station timing systems requiring 1588 compliance
• High-performance data acquisition systems
• Test and measurement instrumentation

Procurement Notes

Verify the specific suffix 'LDG1' against official Microchip documentation to confirm pinout and electrical characteristics, as variations exist within the ZL30734 family. Confirm availability status directly with authorized distributors, as stock levels fluctuate. Ensure the ordering quantity meets the manufacturer's standard packaging requirements, which may involve tray quantities. Validate RoHS compliance details through the most recent product change notifications.

Selection Notes

Select the ZL30734LDG1 when four independent input sources are required for synchronization. Compare against the ZL30731LDG1 if only a single input channel is sufficient for the design. Consider the ZL30732BLDG1 if two inputs are needed but higher output counts are not required. Verify that the VQFN-64 package footprint aligns with the PCB layout constraints and thermal management capabilities of the target application.

Part Context

This component belongs to the ZL3073x series of clock synchronizers from Microchip Technology. The series includes variants such as the ZL30731, ZL30732, and ZL30734, differentiated primarily by the number of input channels. These devices are engineered for network synchronization tasks, offering low jitter and precise timing distribution capabilities essential for modern digital infrastructure.

Replacement Considerations

Direct functional substitutes within the same package include the ZL30731LDG1 (1-input) and ZL30732BLDG1 (2-input). Cross-family replacements require verification of pin compatibility and electrical specifications. No other specific part numbers are confirmed as direct replacements in the provided data.