The DSC6003JA3B-016.7772T is a MEMS-based oscillator from Microchip's DSC60XXB series, delivering a 16.7772 MHz CMOS clock in a 4-VLGA package.
Operating supply from 1.71V to 3.63V covers 1.8V, 2.5V, and 3.3V logic rails with a single BOM line — no separate regulator needed for mixed-voltage domains. The 1.3 mA typical current draw keeps the thermal footprint small in the 2.50 mm x 2.00 mm VLGA package. For a 16.7772 MHz clock, that's about ±335 Hz of absolute jitter budget — tight enough for USB full-speed and most MCU crystal-less operation, but verify against your PLL's jitter tolerance if the oscillator feeds a high-speed serial transceiver.
Package and mounting – 4-VLGA footprint notes
The 4-VLGA package measures 2.50 mm x 2.00 mm with a seated height of 0.89 mm max. Surface-mount, tape-and-reel delivery (TR). No via-in-pad required — standard SMT reflow profile for a 4-pin land pattern.