AEC-Q100 MEMS oscillator for automotive clocking
The DSC1123CI2-156.2500 is a MEMS-based XO (Standard) oscillator delivering a 156.25 MHz LVDS output from a 2.25V to 3.63V supply. The LVDS output pairs well with high-speed SerDes, Ethernet PHYs, and FPGA transceivers that need a low-jitter differential reference at this frequency.
Frequency stability and supply tolerance
Rated at ±25 ppm frequency stability across the full temperature and voltage range, this oscillator holds the clock edge within a tight window — important for Ethernet timing and PCIe reference clocks where ppm error directly affects bit-error rate.
Enable/disable function and power savings
An enable/disable pin lets the system shut down the oscillator output when the clock is not needed. In disable mode the supply current drops to 22 mA max, compared to 32 mA max when active. This is useful in automotive modules that must enter low-power sleep states to meet quiescent current budgets.
Housed in a 6-SMD, no-lead package measuring 3.20mm x 2.50mm with a seated height of 0.90mm. The no-lead construction means the terminations are flush with the package body — rework requires a hot-air station with a nozzle that covers the part evenly. No exposed thermal pad underneath, so the reflow profile is straightforward; just watch the soak time to avoid thermal shock on the MEMS die.
Sourced through independent distribution — quoted to order against the BOM quantity. No pin-compatible second source is listed; the MEMS resonator and LVDS output buffer are specific to this Microchip family.