The 664-02 provides clock generation and conversion for clock rates commonly needed in HDTV digital video equipment. The 664-02 uses the latest Phase-Locked Loop (PLL) technology to provide excellent phase noise and long-term jitter performance for superior synchronization and S/N ratio. For audio sampling clocks generated from 27 MHz, use the 661. Please contact IDT if you have a requirement for an input and output frequency not included in this document. IDT can rapidly modify this product to meet special requirements.