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CY28404 - CK409-COMPLIANT CLOCK SYNTHESIZER

Description

Pin No.

1, 2, 48 1, 2, 7, 8, 9 4 Name REF(0:2) FS_A, FS_B, FS_C, I FS_D, FS_E XIN I Type O, SE Description Reference Clock.

3.3V 14.318-MHz clock output.

Features

  • Supports Intel Springdale/Prescott (CK409).
  • Selectable CPU frequencies.
  • 3.3V power supply.
  • Nine copies of PCI clock.
  • Four copies 3V66 clock with optional VCH.
  • Three copies 48-MHz clock.
  • Three copies REF clock.
  • Two differential CPU clock pairs.
  • Support SMBus/I2C Byte, Word, and Block Read/Write.
  • Dial-A-Frequency.
  • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI).

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Datasheet preview – CY28404

Datasheet Details

Part number CY28404
Manufacturer Cypress (now Infineon)
File Size 294.30 KB
Description CK409-COMPLIANT CLOCK SYNTHESIZER
Datasheet download datasheet CY28404 Datasheet
Additional preview pages of the CY28404 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com CY28404 CK409-Compliant Clock Synthesizer Features • Supports Intel Springdale/Prescott (CK409) • Selectable CPU frequencies • 3.3V power supply • Nine copies of PCI clock • Four copies 3V66 clock with optional VCH • Three copies 48-MHz clock • Three copies REF clock • Two differential CPU clock pairs • Support SMBus/I2C Byte, Word, and Block Read/Write • Dial-A-Frequency • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction • 48-pin SSOP package Table 1.
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