19.44 MHz MEMS oscillator with AEC-Q100 qualification
The DSC1121AI5-019.4400T is a MEMS-based XO (Standard) oscillator from Microchip's DSC1121 series, delivering a 19.44 MHz CMOS output with ±10 ppm frequency stability. The MEMS resonator base gives it better shock and vibration tolerance than a quartz crystal — useful in automotive or industrial environments where mechanical stress is a concern. The Enable/Disable function lets you gate the output for power savings — the disable current max is 22 mA vs 35 mA active. The 6-SMD, No Lead Exposed Pad package (7.00 mm x 5.00 mm) is a standard footprint that hand-solders fine with a hot-air station.