ZL30642LDG1

Overview

The ZL30642LDG1 is a line card timing IC from the ZL3064x family, manufactured by Microchip Technology. It features up to five independent clock channels with any-to-any frequency conversion capabilities. The device supports up to 10 differential or single-ended inputs and provides up to 10 differential or 20 CMOS outputs. Key electrical specifications include an output jitter of 100 fsRMS typical for 156.25 MHz (12 kHz to 20 MHz bandwidth) and core power consumption under 0.9W. It operates with input frequencies from 1 kHz to 1250 MHz and output frequencies from 0.5 Hz to 750 MHz.

Feature Summary

• Up to five independent clock channels with any-to-any frequency conversion
• Supports up to 10 differential/CMOS inputs and up to 20 CMOS outputs
• Ultra-low noise APPL architecture with 100 fsRMS typical output jitter
• Integrated MiToDSync and MiToDBasic time-of-day interfaces

Applications

• Line card timing for SyncE and SyncE+1588 systems
• Wireless base stations including 3G, W-CDMA, 4G/LTE, LTE-A, and 5G
• Remote Radio Units (RRU) and wireless backhaul networks

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current product brief to ensure compatibility with required package types and temperature ranges. Confirm that the selected variant matches the necessary number of DPLLs and synthesizer channels for the design. Check for any recent Product Change Notifications regarding pinout or electrical parameter updates before finalizing procurement.

Selection Notes

Select this component when designing carrier-grade systems requiring precise synchronization across multiple interfaces. Ensure the application utilizes the internal Flash memory for configuration if external programming hardware is unavailable. Verify that the local oscillator frequency falls within the 9.72 MHz to 400 MHz range for optimal jitter performance.

Part Context

The ZL30642LDG1 belongs to the ZL30641-ZL30645 series of line card timing ICs. These devices are designed to replace discrete clocking solutions in high-density telecommunications equipment. The series offers scalable channel counts and flexible I/O configurations to support evolving network standards.

Replacement Considerations

Consult the manufacturer's product brief for direct cross-references within the ZL3064x family. Variants such as ZL30641 or ZL30643 may offer different channel counts or I/O configurations suitable for alternative designs.