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ICS840021

Features: • 1 LVCMOS/LVTTL output, 7 output impedence• Crystal oscillator interface designed for 25MHz, 18pF parallel resonant crystal• Output frequency: 125MHz• VCO range: 560MHz to 680MHz• RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.34ps (...

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SeekIC No. : 004370969 Detail

ICS840021: Features: • 1 LVCMOS/LVTTL output, 7 output impedence• Crystal oscillator interface designed for 25MHz, 18pF parallel resonant crystal• Output frequency: 125MHz• VCO range: 5...

ICS840021 Data Sheet

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Part Number:
ICS840021
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:

• 1 LVCMOS/LVTTL output, 7 output impedence
• Crystal oscillator interface designed for 25MHz, 18pF parallel resonant crystal
• Output frequency: 125MHz
• VCO range: 560MHz to 680MHz
• RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.34ps (typical)
• RMS phase noise at 125MHz (typical) Phase noise:
Offset       Noise Power
100Hz ............... -96.9 dBc/Hz
1KHz ..............-122.2 dBc/Hz
10KHz ..............-131.1 dBc/Hz
100KHz ..............-129.5 dBc/Hz
• 3.3V operating supply
• 0°C to 70°C ambient operating temperature
• Industrial temperature information available upon request


Pinout

Connection Diagram


Specifications

Supply Voltage, VDD................................ 4.6V
Inputs, VI .............................-0.5V to VDD + 0.5 V
Outputs, VO  ............................-0.5V to VDD + 0.5V
Package Thermal Impedance, JA................. 101.7°C/W (0 mps)
Storage Temperature, TSTG   .....................-65°C to 150°C

NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress specifications only. Functional operation of product at these conditions or any conditions beyond those listed in the DC Characteristics or AC Characteristics is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability.


Description

The ICS840021 is a Gigabit Ethernet Clock Generator and a member of the HiPerClocksTM family of high performance devices from ICS. The ICS840021 uses a 25MHz crystal to synthesize 125MHz. The ICS840021 has excellent phase jitter performance, over the 1.875MHz 20MHz integration range.The ICS840021 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.




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