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W83194BR-39B

Winbond
Part Number W83194BR-39B
Manufacturer Winbond
Description STEP-LESS 3-DIMM CLOCK
Published Apr 17, 2005
Detailed Description W83194BR-39B STEP-LESS 3-DIMM CLOCK 1.0 GENERAL DESCRIPTION The W83194BR-39B is a Clock Synthesizer which provides all c...
Datasheet PDF File W83194BR-39B PDF File

W83194BR-39B
W83194BR-39B

Overview
W83194BR-39B STEP-LESS 3-DIMM CLOCK 1.
0 GENERAL DESCRIPTION The W83194BR-39B is a Clock Synthesizer which provides all clocks required for high-speed RISC or CISC microprocessor such as Intel Pentium II or Pentium III.
W83194BR-39B provides 64 CPU/PCI frequencies which are selectable with smooth transitions by hardware or software.
W83194BR-39B also provides 13 SDRAM clocks controlled by the none-delay buffer_in pin.
The W83194BR-39B provides step-less frequency programming by controlling the VCO freq.
and the programmable PCI clock output divisor ratio.
A watch dog timer is quipped and when time out, the RESET# pin will output 4ms pulse signal.
The W83194BR-39B accepts a 14.
318 MHz reference crystal as its input.
Spread spectrum built in at ±0.
5% or ±0.
25% to reduce EMI.
Programmable stopping individual clock outputs and frequency selection through I2C interface.
The device meets the Pentium power-up stabilization, which requires CPU and PCI clocks be stable within 2 ms after power-u...


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