W83194BR-323

Features: • 3 Differential pairs of CPU clock outputs• 4 3V66 clock outputs• 10 PCI synchronous clocks• 24_48Mhz clock output for super I/O.• 48 MHz clock output for USB.• Skew form CPU to PCI clock 1 to 4 ns, center 2.6 ns• Smooth frequency switch with se...

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SeekIC No. : 004545107 Detail

W83194BR-323: Features: • 3 Differential pairs of CPU clock outputs• 4 3V66 clock outputs• 10 PCI synchronous clocks• 24_48Mhz clock output for super I/O.• 48 MHz clock output for US...

floor Price/Ceiling Price

Part Number:
W83194BR-323
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Features:

• 3 Differential pairs of CPU clock outputs
• 4 3V66 clock outputs
• 10 PCI synchronous clocks
• 24_48Mhz clock output for super I/O.
• 48 MHz clock output for USB.
• Skew form CPU to PCI clock 1 to 4 ns, center 2.6 ns
• Smooth frequency switch with selections from 66.8 to 200MHz
• Step-less frequency programming
• I2C 2-Wire serial interface and support byte read/write and block read/write.
• -0.5% and +/- 0.25% center type spread spectrum
• Programmable S.S.T. scale to reduce EMI
• Programmable registers to enable/stop each output and select modes
• Watch Dog Timer and RESET# output pins
• 48-pin SSOP package



Pinout

  Connection Diagram


Description

The W83194BR-323 is a Clock Synthesizer for Intel Brook dale 845 chipset. W83194BR-323 provides all clocks required for high-speed microprocessor and provides step-less frequency programming and 32 different frequencies of CPU, PCI, and 3V66 clocks setting. All clocks are externally selectable with smooth transitions.

The W83194BR-323 provides I2C serial bus interface to program the registers to enable or disable each clock outputs and provides -0.5% and +/-0.25% center type spread spectrum or programmable S.S.T. scale to reduce EMI.

The W83194BR-323 also has watchdog timer and reset output pin to support auto-reset when systems hanging caused by improper frequency setting.

The W83194BR-323 accepts a 14.318 MHz reference crystal as its input and runs on a 3.3V supply. High drive PCI CLOCK outputs typically provide greater than 1 V /ns slew rate into 30 pF loads. The fixed frequency outputs as REF and 48 MHz provide better than 0.5V /ns slew rate




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