STANDARD CLOCK OSCILLATORS MULTIVOLT ECS-2520MVLC,ACTIVE,XO (STANDARD),16MHZ,ENABLE/DISABLE,CMOS,1.8V, 2.5V, 3.3V,+/-50PPM,-40C - 85C,SURFACE MOUNT,4-SMD, NO LEAD,0.098" L X 0.079" W (2.50MM X 2.00MM),0.035" (0.90MM)