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ICS9158-04

Features: · 11 skew-free, high drive CPU/BUS clocks· Up to 66 MHz at 3.3V· ±250ps skew between all outputs· Outputs can drive up to 30pF load and 25mA· 50±10% duty cycle· Compatible with 486 and Pentium CPUs· Selectable 5/6 or 6/5 CPU/BUS output ratio· On-chip loop filter components· 3.0V - 5.5V s...

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SeekIC No. : 004371187 Detail

ICS9158-04: Features: · 11 skew-free, high drive CPU/BUS clocks· Up to 66 MHz at 3.3V· ±250ps skew between all outputs· Outputs can drive up to 30pF load and 25mA· 50±10% duty cycle· Compatible with 486 and Pen...

ICS9158-04 Data Sheet

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Part Number:
ICS9158-04
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:

· 11 skew-free, high drive CPU/BUS clocks
· Up to 66 MHz at 3.3V
· ±250ps skew between all outputs
· Outputs can drive up to 30pF load and 25mA
· 50±10% duty cycle
· Compatible with 486 and Pentium CPUs
· Selectable 5/6 or 6/5 CPU/BUS output ratio
· On-chip loop filter components
· 3.0V - 5.5V supply range
· 24-pin SOIC package


Application

· Ideal for RISC or CISC systems such as 486, Pentium, PowerPCTM etc., requiring multiple CPU and BUS clocks.


Pinout

Connection Diagram


Description

The ICS9158-04 is a low cost frequency generator designed specifically for desktop and notebook PC applications. Up to six copies of the CPU clock are available, and five or six copies of the BUS clock are available depending on the status of the frequency select pins, which eliminates the need for an external buffer.

Each high drive (25mA) output is capable of driving a 30pF load and has a typical duty cycle of 50/50. The clock outputs are skew controlled to within ±250ps.

The ICS9158-04 makes a gradual transition between frequencies, so that it meets the Intel cycle-to-cycle timing specification for 486 and Pentiumô systems.




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