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Renesas Electronics Corporation

Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.

Features

  • Packaged in 16-pin TSSOP
  • Pb (lead) free package, RoHS compliant
  • Clock or crystal input
  • Low phase noise
  • Low jitter
  • Exact (0 ppm) multiplication ratios
  • Reference clock output available
  • Support for 256, 384, 512, and 768 times sampling rate

Description

The 661 provides synchronous clock generation for audio sampling clock rates derived from an MPEG stream, or can be used as a standalone clock source with a 27 MHz crystal. The device uses the latest PLL technology to provide excellent phase noise and long term jitter performance for superior synchronization and S/N ratio. Please contact IDT if you have a requirement for an input and output frequency not included here - we can rapidly modify this product to meet special requirements.

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