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Features

  • Packaged in 20-pin (150 mil) SSOP (QSOP)
  • Available in Pb (lead) free package
  • 12.5 MHz or 25 MHz fundamental crystal or clock input
  • Six output clocks with selectable frequencies
  • SDRAM frequencies of 67, 83, 100, and 133 MHz
  • Buffered crystal reference output
  • Zero ppm synthesis error in all clocks
  • Ideal for PCM-Sierra's ATM switch chips
  • Full CMOS output swing with 25 mA output drive capability at TTL levels
  • Advanced, low-power, sub-micron CMOS process
  • Operating voltage of 3.3 V
  • Industrial temperature range only

Description

The IDT650-27 is a low cost, low-jitter, high-performance clock synthesizer for networking applications. Using analog Phase Locked Loop (PLL) techniques, the device accepts a 12.5 MHz or 25 MHz clock or fundamental mode crystal input to produce multiple output clocks for networking chips, PCI devices, SDRAM, and ASIDT. The IDT650-27 outputs all have zero ppm synthesis error. The IDT650-27 is pin compatible and functionally equivalent to the IDT650-07. It is a performance upgrade and is recommended for all new 3.3 V designs. See the MK74CB214, IDT551, and IDT552-01 for non-PLL buffer devices which produce multiple low-skew copies of these output clocks. See the IDT570, IDT9112-16/17/18 for zero delay buffers that can synchronize outputs and other needed clocks.
Part NumberStatusSamplesStockPackageLead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Qty. per Reel (#)Qty. per Carrier (#)Pb (Lead) FreePb Free CategoryTemp. Range (°C)
650R-27ILFObsoleteN/AOut of StockQSOP20#Tube1055#Yese3 Sn-40 to 85°C
650R-27ILFTObsoleteN/AOut of StockQSOP20#Reel13000#0Yese3 Sn-40 to 85°C
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