343M-62LF

Clock Generators, PLLs, Frequency Synthesizers Overview

The Renesas 343M-62LF is a field-programmable triple-output clock synthesizer and jitter cleaner belonging to the VersaClock family. It generates three independent output frequencies ranging from 250 kHz to 200 MHz using a single-phase PLL architecture. The device utilizes one-time programmable (OTP) memory for configuration storage, eliminating the need for external EEPROMs. It operates within a standard voltage range and supports multiple package options including surface-mount configurations suitable for high-density PCB layouts.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Triple-output capability generating independent frequencies from a single phase-locked loop
• Field-programmable architecture with OTP memory for permanent configuration retention
• Integrated jitter cleaning functionality to enhance signal integrity for sensitive digital loads

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-speed data communication interfaces requiring precise clock generation
• Computer motherboards and server platforms for system timing distribution
• Consumer electronics utilizing multiple synchronous clock domains
• Industrial control systems needing reliable frequency synthesis

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

This component is officially listed as obsolete by Renesas Electronics. Verify end-of-life notifications and last-time-buy dates through authorized distributors. Ensure replacement strategies are implemented immediately due to discontinuation status. Cross-reference available substitute part numbers carefully to maintain electrical compatibility and pinout consistency in existing designs.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when triple independent outputs are required without external memory support. The OTP configuration simplifies bill of materials by removing serial EEPROM requirements. Evaluate the 200 MHz maximum frequency against target load requirements. Consider the specific package variant availability given the obsolete status and potential supply chain constraints for legacy inventory.

Clock Generators, PLLs, Frequency Synthesizers Part Context

The 343M-62LF belongs to the ICS343 series of low-cost clock synthesizers manufactured by Renesas Electronics. This series is designed for applications requiring flexible frequency generation from a single crystal input. The device integrates the PLL, VCO, and output drivers on a single silicon die, providing a compact solution for timing applications compared to discrete component implementations.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

• ICS343M-62LFT
• ICS343M-62LFTR

Clock Generators, PLLs, Frequency Synthesizers FAQ

Does the 343M-62LF require an external EEPROM for configuration?

No, the device uses internal one-time programmable (OTP) memory to store configuration data, eliminating the need for external non-volatile memory.

What is the maximum output frequency supported by this synthesizer?

The device can generate output frequencies up to 200 MHz across its three independent channels.