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ICS342

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• Two ROM locations for frequency and spread selection• Spread spectrum capability for lower system EMI...

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SeekIC No. : 004370763 Detail

ICS342: 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• Two ROM lo...

ICS342 Data Sheet

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Part Number:
ICS342
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
• Two ROM locations for frequency and spread selection
• 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
• Advanced, low power CMOS process
• For one output clock, use the ICS341. For three output clocks, see the ICS343. 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 ICS342 is a low cost, dual-output, field programmable clock synthesizer. The ICS342 can generate two output frequencies from 250 kHz to 200 MHz, using up to two independently configurable PLLs.The outputs may employ Spread Spectrum techniques to reduce system electro-magnetic interference (EMI).

Using ICS' VersaClockTM software to configure the PLL and output, the ICS342 contains a One-Time Programmable (OTP) ROM to allow field programmability. Programming features include 2 selectable configuration registers. 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 ICS342 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 ICS342 is also available in factory programmed custom versions for high-volume applications.




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