PCS3P8103A is a versatile spread spectrum frequency modulator designed specifically to provide a 4x output of 66.66 MHz from an input clock of 16.667 MHz. The PCS3P8103A reduces electromagnetic interference (EMI) at the clock source allowing system wide reduction of EMI of down stream clock and data dependent signals. It allows significant system cost savings byreducing the number of circuit board layers ferrite beads shielding and other passive components that are traditionally required to pass EMI regulations.The device can generate an EMI reduced clock from crystal or system clock.The PCS3P8103A has a 3 level logic contol SS% for selecting Center Spread Down Spread and No-Spread options.