What the 16 MHz CMOS output means for your clock tree
The DSC6011JI2A-016.0000: This is a fixed-frequency 16 MHz XO (Standard) with a CMOS output — it replaces a quartz crystal plus load capacitors with a single MEMS resonator and driver in a 4-VLGA package. The CMOS rail-to-rail output swings from ground to the supply voltage, so it drives the clock input of an MCU, FPGA, or Ethernet PHY directly without external level translation.
Package footprint and rework consideration
Pin 1 is marked on the package top; the four pads are on the bottom, so visual alignment before reflow and X-ray inspection after are the usual verification steps. Because it is a MEMS device rather than a quartz crystal, there is no hermetic seal to worry about during rework — the part survives hot air if the board is preheated to 100°C to reduce thermal shock.