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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 20-pin tiny SSOP (QSOP)
  • RoHS 5 (green) or RoHS 6 (green and lead free)
    compliant package
  • Input frequency of 27.0 MHz
  • Zero ppm synthesis error in output clocks
  • Provides fixed 13.5 MHz and 27.0 MHz. Also provides two selectable processor clocks, one audio clock, and one communications clock.
  • Ideal for digital video MPEG-based applications
  • 3.3 V or 5.0 V operating voltage
  • Entire chip powers down (when CS1=CS0=0)

Description

The 650-12 is a low cost, low-jitter, high-performance clock synthesizer designed to produce fixed clock outputs of 13.5 MHz and 27.0 MHz, and four selectable clock outputs: two Processor Clocks (PCLK1) and PCLK2), an Audio Clock, and a Communications Clock (CCLK). Using analog Phase-Locked Loop (PLL) techniques, the device uses a 27.0 MHz clock or fundamental crystal to produce clocks ideal for Digital Video/MPEG-based applications.

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