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CY28RS400 Datasheet Clock Generator for ATI RS400 Chipset

Manufacturer: Cypress (now Infineon)

Overview: CY28RS400 Clock Generator for ATI RS400 Chipset.

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General Description

Pin No.

47,46,43,42, 41,40 50 Name CPUT/C[2:0] PCI0/409_410 Type O, DIF Differential CPU clock output.

Intel Type-X buffer.

Key Features

  • Supports Intel CPU.
  • Selectable CPU frequencies.
  • Differential CPU clock pairs.
  • 100-MHz differential SRC clocks.
  • 48-MHz USB clock.
  • 33-MHz PCI clock.
  • Low-voltage frequency select input.
  • I2C support with readback capabilities.
  • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction.
  • 3.3V power supply.
  • 56-pin SSOP and TSSOP packages CPU x3 SRC x8 PCI x1 REF x3 US.

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