66.666 MHz MEMS XO with ±25 ppm stability
Frequency is 66.666 MHz, a common multiple for Ethernet PHYs, USB controllers, and some ARM Cortex-M clock trees — the ±25 ppm stability (Frequency Stability ±25ppm) keeps the jitter budget tight enough for 100BASE-TX or USB full-speed without a separate TCXO.
Supply voltage range 2.25V–3.6V
The supply voltage range of 2.25V–3.6V (Voltage - Supply 2.25V~3.6V) covers both 2.5V and 3.3V rails without a separate regulator — a single BOM line works across boards with different core voltages, which simplifies inventory if you build multiple variants. At 3.3V the max supply current is 35 mA (Current - Supply (Max) 35mA); when the output is disabled via the Enable/Disable pin the current drops to 22 mA max (Current - Supply (Disable) (Max) 22mA) — the disable current is still non-zero because the MEMS oscillator core stays powered, but it saves 13 mA when the clock is gated.