252M-42LF

Overview

The 252M-42LF is a dual-output, field-programmable clock synthesizer manufactured by Renesas Electronics Corporation. It generates two output frequencies ranging from 314 kHz to 200 MHz using up to four reference inputs. The device supports various output formats including LVPECL and LVCMOS. It is housed in a TSSOP-16 package and operates within a standard industrial temperature range. This component is designed for timing and synchronization applications in electronic systems requiring precise frequency generation.

Feature Summary

• Dual-output architecture capable of generating independent frequencies
• Field-programmable configuration for flexible system integration
• Supports multiple reference input options for versatile clock sourcing

Applications

• Timing and synchronization in communication equipment
• Clock distribution in data acquisition systems
• Frequency generation for embedded processing modules

Procurement Notes

Verify the obsolete status of this part number before procurement planning. Check for manufacturer-recommended substitutes such as the 5L35021B series. Confirm package compatibility and electrical specifications with replacement components. Ensure supply chain stability due to discontinuation. Review datasheet revisions for any parameter changes in successor models.

Selection Notes

Select this component when dual independent clock outputs are required from a single source. Consider the programmable nature for custom frequency requirements. Evaluate the operating temperature range against environmental conditions. Assess the TSSOP-16 package constraints for PCB layout. Verify input reference availability matches the device capabilities.

Part Context

This part belongs to the ICS252 family of clock synthesizers. It represents a low-cost solution for dual-output timing needs. The family is known for field-programmability and flexibility. Similar parts may offer different output counts or frequency ranges. The 252M-42LF specifically targets applications needing two synchronized yet distinct frequencies.

Replacement Considerations

The 5L35021B-000NDGI8 is a recommended substitute. Verify pinout and electrical compatibility. Check if the substitute meets all frequency and format requirements. Ensure the replacement is available in the required package.