W83194BR-603 - Brand New Winbond Electronics IC Chips
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Description
The W83194BR-603 is a Clock Synthesizer for Intel Springdale/Prescott chipset. It provides all clocks required for high-speed microprocessor and supports step-less frequency programming and 32 different frequencies of CPU, PCI, and 3V66 clocks setting. It also has SRC clock outputs that are externally selectable with smooth transitions. The W83194BR-603 comes with an I2C serial bus interface for easy programming of the registers to enable or disable each clock output. It features -0.5% and +/-0.25% center type spread spectrum or programmable S.S.T. scale to reduce EMI. Additionally, it includes a watchdog timer and reset output pin to support auto-reset when systems hang due to improper frequency setting. The W83194BR-603 operates on a 3.3V supply and accepts a 14.318 MHz reference crystal as its input.
Specifications and features
- 2 0.7V current-mode Differential pairs clock outputs for CPU
- 1 0.7V current-mode Differential pairs clock outputs for SRC
- 3 3V66 clock outputs
- 1 VCH/3V66 selectable 48MHz or 66MHz
- 9 PCI synchronous clocks
- 1 24_48Mhz clock output for super I/O
- 1 48 MHz clock output for USB
- 2 14.318MHz REF clock outputs
- 3V66/PCI clock out supports synchronous and asynchronous mode
- Smooth frequency switch with selections from 100 to 400MHz
- 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
- Programmable clock outputs Slew rate control and Skew control
- Watch Dog Timer and RESET# output pins
- 48-pin SSOP package
Application Scenarios
The W83194BR-603 clock synthesizer can be used in various applications that require clock synchronization and frequency programming. It is an ideal component for Intel Springdale/Prescott chipsets and other high-speed microprocessor systems. The versatility of its clock outputs makes it suitable for CPU, SRC, 3V66, PCI, super I/O, and USB clock requirements. With its I2C serial bus interface and programmable registers, it offers flexibility and ease of use in different scenarios.
Comparison
Advantages- Supports a wide range of clock frequencies
- Smooth frequency switch with smooth transitions
- Programmable clock outputs for different modes and settings
- I2C serial bus interface for easy programming
- Spread spectrum and S.S.T. scale for reduced EMI
- Includes watchdog timer and reset output pin for system stability
Disadvantages- Only compatible with Intel Springdale/Prescott chipsets
- Relatively small package size (48-pin SSOP)
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Similar parts: 430483 , Click to view
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Datasheet
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- Datasheet: Download W83194BR-603
- Chipdatas Part: CD91-W83194BR-603
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/14 01:41 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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