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ICS343

Features: • 8-pin SOIC package• Highly accurate frequency generation• M/N Multiplier PLL: M = 1...2048, N = 1...1024• Output clock frequencies up to 200 MHz• Spread spectrum capability for lower system EMI•Center or Down Spread up to 4% total• Selectable 3...

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SeekIC No. : 004370764 Detail

ICS343: Features: • 8-pin SOIC package• Highly accurate frequency generation• M/N Multiplier PLL: M = 1...2048, N = 1...1024• Output clock frequencies up to 200 MHz• Spread spe...

ICS343 Data Sheet

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Part Number:
ICS343
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-pin SOIC package
• Highly accurate frequency generation
• M/N Multiplier PLL: M = 1...2048, N = 1...1024
• Output clock frequencies up to 200 MHz
• Spread spectrum capability for lower system EMI
•Center or Down Spread up to 4% total
• Selectable 32 kHz or 120 kHz modulation
• Input crystal frequency from 5 to 27 MHz
• Input clock frequency from 2 to 50 MHz
• Operating voltage of 3.3 V, using advanced, low power CMOS process
• For one output clock, use the ICS341. For two output clocks, see the ICS342. For more than three outputs,see the ICS345 or ICS348.
• Available in Pb (lead) free packaging


Pinout

Connection Diagram


Specifications

Parameter Condition
Min.
Typ.
Max.
Units
Supply Voltage, VDD Referenced to GND
7
V
Inputs Referenced to GND
-0.5
VDD+ 0.5
V
Clock Outputs Referenced to GND
-0.5
VDD+ 0.5
V
Storage Temperature  
-65
150
Soldering Temperature Max 10 seconds
260
Junction Temperature  
125



Description

The ICS343 is a low cost, triple-output, field programmable clock synthesizer. The ICS343 can generate three output frequencies from 250 kHz to 200 MHz,using up to three independently configurable PLLs.The outputs may employ Spread Spectrum techniques to reduce system electro-magnetic interference (EMI).

Using ICS' VersaClock™ software to configure the PLL and output, the ICS343 contains a One-Time Programmable (OTP) ROM to allow field programmability. Using Phase-Locked Loop (PLL) techniques, the device runs from a standard fundamental mode, inexpensive crystal,or clock. It can replace multiple crystals and oscillators,saving board space and cost.

The ICS348-22 also has a power down feature that tri-states the clock outputs and turns off the PLLs when the PDTS pin is taken low.

The ICS343 is also available in factory-programmed custom versions for high-volume applications.




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