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ICS94215 - Programmable System Clock Chip

Description

PIN NUMBER 1 2 CPU_STOP#1, 2 3,9,16,22, 33,39,45, 47 4 5 6,14 7 MODE1, 2 8 10 11, 12, 13 15 17, 18, 20, 21, 28, 29, 31, 32, 34, 35,37,38 19,30,36 23 24 25 26 27 40 41 42 43 44 46 48 FS3 PCICLK0 SEL24_48#1, 2 PCICLK1 PCICLK(2:4) BUFFER IN SDRAM (11:0) VDD3 SDATA SCLK 24_48MHz FS1 FS0 1, 2 1, 2 PIN

Features

  • 1 - Differential pair open drain CPU clocks.
  • 1 - CPU clock @ 3.3V.
  • 13 - SDRAM @ 3.3V.
  • 6 - PCI @3.3V,.
  • 1 - 48MHz, @3.3V fixed.
  • 1 - 24/48MHz @ 3.3V.
  • 2 - REF @3.3V, 14.318MHz. Features:.
  • Programmable ouput frequency.
  • Programmable ouput rise/fall time.
  • Programmable PCI_F and PCICLK skew.
  • Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage.
  • Watchd.

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Datasheet Details

Part number ICS94215
Manufacturer Integrated Circuit Systems
File Size 196.57 KB
Description Programmable System Clock Chip
Datasheet download datasheet ICS94215 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com Integrated Circuit Systems, Inc. ICS94215 Programmable System Clock Chip for AMD - K7™ Processor Recommended Application: VIA KX/KT133 style chipset Output Features: • 1 - Differential pair open drain CPU clocks • 1 - CPU clock @ 3.3V • 13 - SDRAM @ 3.3V • 6 - PCI @3.3V, • 1 - 48MHz, @3.3V fixed. • 1 - 24/48MHz @ 3.3V • 2 - REF @3.3V, 14.318MHz. Features: • Programmable ouput frequency. • Programmable ouput rise/fall time. • Programmable PCI_F and PCICLK skew. • Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage. • Watchdog timer technology to reset system if over-clocking causes malfunction. • Uses external 14.318MHz crystal.
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