The DSC1121AE5-024.5760T is a MEMS-based XO (Standard) oscillator from Microchip's DSC1121 series, delivering a 24.576 MHz CMOS output with ±10 ppm frequency stability across its -20°C to +70°C operating range. That ±10 ppm stability means the clock edge drifts less than 246 Hz at 24.576 MHz over temperature — tight enough for UART baud-rate generation and most Ethernet PHY reference clocks without external trim.
Supply flexibility and output drive
Housed in a 6-SMD No Lead package measuring 7.00 mm x 5.00 mm with a seated height of 0.90 mm, it fits standard oscillator footprints and reflow profiles for MEMS resonators. Surface-mount assembly with the 6-SMD pad layout; the enable pin (pin 1) should be pulled high or low externally — leaving it floating may cause indeterminate output state during power-up.