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锁相环
锁相环
Silicon Creations provides a broad portfolio of general-purpose and optimized ring-based PLLs serving 500+ global customers across 750+ ICs fabricated on millions of wafers. Production-ready from 3nm and above, their PLL solutions deliver excellent jitter performance, modest area requirements, and silicon-accurate simulation models across all major foundries.
The portfolio spans Fractional-N multi-function synthesizers, specialized low-area, low-bandwidth IoT, low-jitter, deskew, and multi-phase PLLs, plus RTL-based solutions including spread-spectrum modulators, jitter attenuators, jitter monitors, and digital phase aligners.
Key PLL Solutions:
- Fractional-N PLL (frequency synthesizer)
- Low-Area Integer PLL
- Low-Bandwidth PLL for IoT (32kHz)
- Low-Jitter PLL for SerDes and ADC
- Deskew PLL for DDR interfaces
- Multi-phase PLL (DDR2/DDR3/DDR4)
- Spread-Spectrum Modulator IP
- Jitter Attenuator and Monitor IP
Fractional-N PLL
A multi-function frequency synthesizer offering ultra-wide input and output ranges with excellent jitter performance, modest area, and 0.01ppm resolution with a 24-bit fractional modulator delivering near-integer performance for demanding clocking requirements.
- Ultra-wide input and output frequency ranges
- 0.01ppm resolution with 24-bit fractional modulator
- Near-integer performance
- Silicon-accurate simulation models
Specialized PLL Variants
Application-optimized PLL variants address diverse requirements: a low-area design roughly 4x smaller than general-purpose variants, a low-bandwidth IoT PLL operating from 32kHz references with sub-mW power, a low-jitter PLL achieving best-in-class sub-ps RMS jitter, and a multi-phase PLL providing 4 to 32 phase-aligned outputs for DDR interfaces.
- Low-area PLL: ~4x smaller than general-purpose
- Low-bandwidth IoT PLL: sub-mW, 32kHz reference
- Low-jitter PLL: best-in-class sub-ps RMS jitter
- Multi-phase PLL: 4 to 32 phase-aligned outputs
RTL-Based Clocking Solutions
Complementing the analog PLL portfolio, RTL-based solutions include a Spread-Spectrum Modulator, Jitter Attenuator (Jitter Cleaner), Jitter Monitor, and Digital Phase Aligner, delivering comprehensive clocking coverage for modern IC designs.
- Spread-Spectrum Modulator IP
- Jitter Attenuator (Jitter Cleaner) IP
- Jitter Monitor IP
- Digital Phase Aligner
