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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 SalesClocks@sitime.com. Full transition to SiTime is expected by late 2026.

Features

  • Packaged in 16-pin TSSOP
  • Operating voltage of 3.3 V
  • Low power consumption
  • Input frequency of 25 MHz
  • Low long-term jitter
  • Separate supply voltage for clock outputs (2.5 / 3.3 V
    clock outputs)
  • OE control capability

Description

The 650-40A is a clock chip designed for use as a core clock in Ethernet Switch applications. Using IDT’s patented Phase-Locked Loop (PLL) techniques, the device takes a 25 MHz crystal input and produces various output clock frequencies as listed in Output Select Table.
Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier Type
650G-40ALFObsoleteN/AOut of StockTSSOP16#CYesTube
650G-40ALFTObsoleteN/AOut of StockTSSOP16#CYesReel
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