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W83193R-01 - 83.MHZ 3-DIMM CLOCK

General Description

The W83193R-01 is a Clock Synthesizer which provides all clocks required for high-speed RISC or CISC microprocessor such as Intel PentiumPro , AMD or Cyrix.

Eight different frequency of CPU and PCI clocks are externally selectable with smooth transitions.

Key Features

  • Supports Pentium™, Pentium™ Pro, Pentium™ II, AMD and Cyrix CPUs with I2C. 4 CPU clocks. 12 SDRAM clocks for 3 DIMs. 7 PCI synchronous clocks. One IOAPIC clock for multiprocessor support. Optional single or mixed supply: (Vdd = Vddq3 = Vddq2 = 3.3V) or (Vdd = Vddq3 = 3.3V, Vddq2 = 2.5V) < 250ps skew among CPU and SDRAM clocks. < 250ps ske.

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Other Datasheets by Winbond

Part Number Description
W83193R-02 83.3 MHZ 3-DIMM CLOCK
W83193R-04 83.3 MHZ 3-DIMM CLOCK
W83193R-04A 83.3 MHZ 3-DIMM CLOCK
W83194AR-73 150MHZ CLOCK
W83194AR-96 200MHZ CLOCK

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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W83193R-01 83.MHZ 3-DIMM CLOCK 1.0 GENERAL DESCRIPTION The W83193R-01 is a Clock Synthesizer which provides all clocks required for high-speed RISC or CISC microprocessor such as Intel PentiumPro , AMD or Cyrix. Eight different frequency of CPU and PCI clocks are externally selectable with smooth transitions. The W83193R-02/-04 also provides I2C serial bus interface to program the registers to enable or disable each clock outputs and choose the 0.6% or 1.5% center type spread spectrum. The W83193R-01 accepts a 14.318 MHz reference crystal as its input and runs on a 3.3V supply. High drive PCI and SDRAM CLOCK outputs typically provide greater than 1 V /ns slew rate into 30 pF loads.