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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.

9LPRS471

Obsolete

Programmable System Clock Chip for ATI RS790 - K8 based Systems

Features

  • 2 - Greyhound compatible K8 CPU pair
  • 6 - low-power differential SRC pairs
  • 2 - low-power differential SouthBridge SRC pairs
  • 4 - low-power differential ATIG pairs
  • 1 - Selectable low-power differential 100MHz nonspread SATA/ SRC output
  • 1 - Selectable 100MHz low-power differential/ 66 MHz single-ended HTT clock
  • 2 - 48MHz USB clock
  • 3 - 14.318MHz Reference clock
Find Other Products in Clock Generation

Description

The IDT9LPRS471 is a main clock synthesizer chip that provides all clocks required for ATI RS7xx-based systems.using AMD processors. An SMBus interface allows full control of the device.

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