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Gigabit Ethernet Clock Synthesizer

  • Description
  • Features & Applications
  • Diagram
  • Buy Now

Description

IDT

The ICS843021 is a Gigabit Ethernet Clock Generator and a member of the HiPerClocks™ family of high performance devices from IDT. The ICS843021 uses a 25MHz crystal to synthesize 125MHz. The ICS843021 has excellent phase jitter performance over the 1.875MHz – 20MHz integration range. The ICS843021 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.

Features & Applications

  • 1 differential 3.3V LVPECL output
  • Crystal oscillator interface designed for 25MHz, 18pF parallel resonant crystal
  • Output frequency: 125MHz, using a 25MHz crystal
  • VCO range: 490MHz - 640MHz
  • RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.41ps (typical) (for 3.3V)
  • Full 3.3V or 2.5V operating supply
  • -40°C to 85°C ambient operating temperature

Diagram

IDT Diagram
IDT Diagram

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Digi-Key P/N Vendor P/N Description Voltage Freq Max
800-1131-5-ND ICS843001AGLF IC CLK GEN FIBRE LVPECL 8-TSSOP 3.135V~3.465V 226.66MHz Datasheet
800-1132-5-ND ICS843021AGI-01LF IC CLK GEN 1GIG LVPECL 8-TSSOP 2.375V~3.465V 160MHz Datasheet
800-1133-5-ND ICS843021AGLF IC CLK GEN 1GIG LVPECL 8-TSSOP 2.97V~3.63V 140MHz Datasheet
800-1134-5-ND ICS843023AGILF IC CLK GEN 1GIG LVPECL 8-TSSOP 3.135V~3.465V 320MHz Datasheet
800-1135-5-ND ICS843031AGLF IC CLK GEN 1GIG LVPECL 8-TSSOP 3.135V~3.465V 350MHz Datasheet
800-1136-5-ND ICS843051AGLF IC CLK GEN GIG ETH LVPECL 8TSSOP 3.135V~3.465V 161.13MHz Datasheet