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W83196S-14

Features: • Supports Pentium™ II CPUs with I2C• 12 sets of CPU frequencies selection• 2 CPU clocks (one free running CPU clock)• 7 PCI synchronous clocks(one free running PCI clock)• Optional single or mixed supply:(VDDR = VDDCore = VDDP = VDD4 = 3.3V ±5%)(VDDA ...

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SeekIC No. : 004545150 Detail

W83196S-14: Features: • Supports Pentium™ II CPUs with I2C• 12 sets of CPU frequencies selection• 2 CPU clocks (one free running CPU clock)• 7 PCI synchronous clocks(one free runni...

W83196S-14 Data Sheet

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Part Number:
W83196S-14
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Supports Pentium™ II CPUs with I2C
• 12 sets of CPU frequencies selection
• 2 CPU clocks (one free running CPU clock)
• 7 PCI synchronous clocks(one free running PCI clock)
• Optional single or mixed supply:
(VDDR = VDDCore = VDDP = VDD4 = 3.3V ±5%)
(VDDA = VDDC = 2.5V ±5%)
• Skew form CPU to PCI clock 1.5 to 4.0 nS, CPU leads.
• CPU clock jitter less than 200 pS
• PCI_F, PCI1: 6 clock skew less than 500 pS
• Smooth frequency switch with selections from 66.8 MHz to 150 MHz CPU
• I2C 2-Wire serial interface and I2C read back
• ±0.5% center type spread spectrum function to reduce EMI
• Programmable registers to enable/stop each output and select modes (mode as Tri-state or Normal )
• MODE pin for power management
• 48 MHz for USB
• 24 MHz for super I/O
• Packaged in 28-pin SOP


Pinout

Connection Diagram


Specifications

PARAMETER
SYMBOL
RATING
Voltage on Any Pin with Respect to GND
VDD, VIN
-0.5V to +7.0V
Storage Temperature
TSTG
-65° C to +150° C
Ambient Temperature
TB
-55° C to +125° C
Operating Temperature
TA
0° C to +70° C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.


Description

The W83196S-14 is a Clock Synthesizer which provides all clocks required for high-speed RISC or CISC microprocessor. Twelve different frequency of CPU, and PCI clocks are externally selectable with smooth transitions.

The W83196S-14 provides I2C serial bus interface to program the registers to enable or disable each clock outputs and choose the 0.5% center type spread spectrum to reduce EMI. The W83196S-14 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 1V/nS slew rate into 30 pF loads. CPU CLOCK outputs typically provide better than 1V/nS slew rate into 20 pF loads as maintaining 50 ±5% duty cycle. The fixed frequency outputs as REF, 24 MHz, and 48 MHz provide better than 0.5V/nS slew rate.




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