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ICS9169C-40

Features: · 8 selectable CPU clocks up to 75MHz· Six synchronous PCI clocks· One Referance Clock at 14.318MHz· Power-up stabilization time = 2ms on all CPU and PCI clocks, which meets Intel PentiumPro power-up· Low CPU and PCI clock jitter <500ps· Low skew output· Improved output drivers are de...

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SeekIC No. : 004371210 Detail

ICS9169C-40: Features: · 8 selectable CPU clocks up to 75MHz· Six synchronous PCI clocks· One Referance Clock at 14.318MHz· Power-up stabilization time = 2ms on all CPU and PCI clocks, which meets Intel PentiumP...

ICS9169C-40 Data Sheet

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Part Number:
ICS9169C-40
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:

· 8 selectable CPU clocks up to 75MHz
· Six synchronous PCI clocks
· One Referance Clock at 14.318MHz
· Power-up stabilization time = 2ms on all CPU and PCI clocks, which meets Intel PentiumPro power-up
· Low CPU and PCI clock jitter <500ps
· Low skew output
· Improved output drivers are designed for low EMI
· Test Mode
· Optional common or mixed supply mode:
    (VDD = VDDL1 =VDDL2 = 3.3V)
    (VDD = 3.3V, VDDL1=VDDL2 = 2.5)
    (VDD = 3.3V, VDDL1 = 3.3V, VDDL2 = 2.5V)
· Space saving and low cost 34-pin SSOP package


Pinout

Connection Diagram


Specifications

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 V to VDD +0.5 V
Ambient Operating Temperature . . . . . . . . . . . . 0°C to +70°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . –65°C to +150°C

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress specifications only and functional operation of the device at these or any other conditions above those listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability.


Description

The ICS9169C-40 is a Clock Synthesizer chip for Pentium or Cyrix CPU based motherboards using PCI.

Features include eight CPU clocks and six PCI clocks. A Reference Output is available equal to the crystal frequency.
The device meets the Pentium power-up stabilization, which requires that CPU and PCI clocks be stable within 2ms after power-up.

The ICS9169C-40 clock output are designed for low EMI emissions. Controlled rise and fall times, unique output
driver circuits and innovative circuit layout techniques enable the ICS9169C-40 to have lower EMI than other clock
devices.

The ICS9169C-40 accepts a 14.318MHz reference crystal or clock as its input and runs from a 3.3V supply.




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