Analog-PLL For Spread Spectrum Clock

Overview

[TECHNOLOGY]
Process : TSMC 28nm HPM/HPC
Available metallization technologies : 4X2Y2R

Key Features

  • Including Loop-filter
  • VCO operating range : 900MHz - 1800 MHz
  • Output frequency range : 900MHz-1800 MHz
  • Input frequency range : 12MHz - 192MHz
  • Multiplying (Output freq. / PFD freq.) : 60 - 120
  • Divider : 7bit feedback divider and 3bit input divider
  • Power-down Mode
  • Multiple outputs with post-divider
  • SSC function available
    • -spread type : center / down
    • -modulation frequency : 3 kHz – 30 kHz
    • -modulation depth : 1 %-3 % (peak-peak)
  • STBY sequence is constraint-free

Block Diagram

Analog-PLL For Spread Spectrum Clock Block Diagram

Technical Specifications

Foundry, Node
TSMC 28nm HPM/HPC
TSMC
Pre-Silicon: 28nm HPC , 28nm HPM
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Semiconductor IP