DSC8121CI1

Overview

The DSC8121CI1 is a MEMS-based programmable oscillator manufactured by Microchip Technology. It operates within a supply voltage range of 2.25V to 3.6V and supports frequencies from 10 MHz to 170 MHz. The device features CMOS output, an enable/disable function, and a frequency stability of ±50ppm. It is housed in a compact 6-SMD, No Lead package with dimensions of 3.20mm x 2.50mm and a maximum height of 0.90mm. The unit is rated for an extended operating temperature range of -55°C to 125°C.

Feature Summary

• Utilizes MEMS technology for robust performance across wide temperature ranges
• Supports user-programmable frequency configuration within the specified range
• Integrates enable and disable functionality for power management control

Applications

• High-performance computing systems requiring precise clocking
• Industrial equipment operating in extreme thermal environments
• Telecommunications infrastructure utilizing standard CMOS interfaces

Procurement Notes

Verify the specific suffix codes against official Microchip documentation to ensure correct temperature rating and package variant. Confirm that the required frequency programming aligns with the blank configuration status. Cross-reference the latest datasheet revision to validate electrical characteristics and mechanical dimensions before finalizing procurement specifications.

Selection Notes

Select this component when a wide industrial temperature range and high frequency stability are required. Ensure the system design accommodates the 2.25V to 3.6V supply voltage constraints. Verify compatibility with the CMOS output interface and confirm that the physical footprint matches the PCB layout requirements for the 6-SMD package.

Part Context

This part belongs to the DSC8121 series of programmable oscillators. It shares the same core MEMS architecture and functional capabilities as other variants in the family, differing primarily in temperature grade, package type, and specific frequency tuning options defined by the ordering suffix.

Replacement Considerations

Direct substitutes include DSC8121CM1 and DSC8121AI2. Verify pinout compatibility and electrical parameters before substitution.