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ICS345

Features: • Packaged as 20-pin SSOP (QSOP)• Spread spectrum capability• Eight addressable registers• Replaces multiple crystals and oscillators• Output frequencies up to 200 MHz at 3.3 V• Input crystal frequency of 5 to 27 MHz• Input clock frequency of 2 t...

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SeekIC No. : 004370765 Detail

ICS345: Features: • Packaged as 20-pin SSOP (QSOP)• Spread spectrum capability• Eight addressable registers• Replaces multiple crystals and oscillators• Output frequencies up t...

ICS345 Data Sheet

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Part Number:
ICS345
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:

• Packaged as 20-pin SSOP (QSOP)
• Spread spectrum capability
• Eight addressable registers
• Replaces multiple crystals and oscillators
• Output frequencies up to 200 MHz at 3.3 V
• Input crystal frequency of 5 to 27 MHz
• Input clock frequency of 2 to 50 MHz
• Up to nine reference outputs
• Up to two sets of four low-skew outputs
• Operating voltages of 3.3 V
• Advanced, low-power CMOS process
• For one output clock, use the ICS341. For two output clocks, see the ICS342. For three output clocks, see the ICS343. For more than three outputs, see the 9ICS345 or ICS348.
• Available in Pb (lead) free packaging


Pinout

Connection Diagram


Specifications

Parameter Conditions
Minimum
Typical
Maximum
Units
Supply Voltage, VDD Referenced to GND
7
V
Inputs Referenced to GND
-0.5
VDD+0.5
V
Clock Output Referenced to GND
-0.5
VDD+0.5
V
Junction Temperature  
125
Soldering Temperature Max 10 seconds
260
Storage temperature  
-65
150



Description

The ICS345 field programmable clock synthesizer generates up to nine high-quality, high-frequency clock outputs including multiple reference clocks from a low-frequency crystal or clock input. It is designed to replace crystals and crystal oscillators in most electronic systems.

Using ICS' VersaClockTM software to configure PLLs and outputs, the ICS345 contains a One-Time Programmable (OTP) ROM to allow field programmability. Programming features include eight selectable configuration registers, up to two sets of four low-skew outputs, and optional Spread Spectrum outputs.

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 ICS345 is also available in factory programmed custom versions for high-volume applications.




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