DSC400-1111Q0044KI2 Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
DSC400-1111Q0044KI2 is a MEMS-based configurable output oscillator from Microchip in a QFN package, delivering a factory-programmable 44 MHz output frequency. It provides low-jitter clock generation with configurable output logic levels and a wide operating temperature range suitable for harsh environments. Ideal for FPGAs, microprocessors, communications equipment, and precision timing applications requiring stable MEMS clock sources.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 21
- Lifecycle
- ACTIVE
- Datasheet
- DSC400-1111Q0044KI2 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Factory-programmable 44 MHz MEMS oscillator output for flexible clock generation
- Low phase jitter MEMS resonator for superior timing stability over quartz in vibration-prone environments
- Configurable output logic levels support LVCMOS 1.8 V, 2.5 V, and 3.3 V interfaces
- Wide operating temperature range for industrial and automotive environment deployment
- Compact QFN package minimizes board area in space-constrained high-frequency clock distribution designs
Applications
The DSC400-1111Q0044KI2 provides a stable 44 MHz clock reference for FPGAs, DSPs, and microprocessors in communications infrastructure and industrial control systems where MEMS oscillators outperform quartz in high-vibration environments. It is also used in network switches and storage equipment as a low-jitter timing source for SerDes reference clocks operating at 44 MHz. Automotive infotainment and ADAS modules benefit from the wide operating temperature range and MEMS robustness when precise clock distribution is required across -40°C to 85°C ambient conditions.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output frequency and logic level does the DSC400-1111Q0044KI2 provide, and what supply voltage does it require?
The DSC400-1111Q0044KI2 is factory-programmed to output 44 MHz with configurable LVCMOS output levels of 1.8 V, 2.5 V, or 3.3 V depending on the supply voltage applied. The oscillator operates from a single supply matching the selected output level, eliminating level-translation circuitry between the clock source and downstream logic. This makes it straightforward to integrate into FPGA clock input networks or microprocessor clock trees running at standard 3.3 V or 1.8 V rails.
How does the MEMS resonator technology in this oscillator compare to quartz in vibration-sensitive industrial equipment?
MEMS resonators used in the DSC400-1111Q0044KI2 are silicon micro-structures that are inherently more resistant to mechanical shock and vibration than quartz crystals, which can fracture or frequency-shift under high-g accelerations above 1000 g. In industrial robotics, motor drives, and field instruments exposed to continuous vibration, MEMS oscillators maintain frequency accuracy within a few ppm where quartz alternatives may deviate by tens of ppm or fail entirely. This robustness reduces field replacement rates and improves clock signal reliability at 44 MHz over the product lifetime.
For procurement of the DSC400-1111Q0044KI2, what does the QFN package configuration mean for PCB assembly planning?
The DSC400-1111Q0044KI2 comes in a QFN package, which requires reflow soldering with a land pattern designed for the specific QFN pin count and exposed thermal pad. QFN packages typically offer a smaller footprint than equivalent SOIC or CMOS oscillator DIP packages, reducing board space by up to 60% for 4-pad or 6-pad oscillator configurations. Buyers should confirm the exact body size and pitch from Microchip's datasheet before finalizing PCB panelization, as Microchip offers multiple QFN sizes in the DSC400 family for different output frequency and tolerance requirements.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”