Flexible Ultra-Low Jitter Clock Synthesizer - Microchip
Description
SM813XXX
Flexible Ultra-Low Jitter Clock Synthesizer
Features
• Generates Up to 8 Differential or Single-Ended Outputs
• <65 fs Phase Jitter @ 156.
25 MHz (1.
875 MHz to 20 MHz)
• <115 fs Phase Jitter @ 156.
25 MHz (12 kHz to 20 MHz)
• On-Chip Power Supply Regulation for Excellent Power Supply Noise Immunity
• Two High-Performance PLL Synthesizers to Generate Multiple Frequencies
• Independently Programmable Output Logic and Frequency: - Output Logic: LVPECL, LVDS, HCSL, LVCMOS
• Fundamental Mode Crystal: 31.
25 MHz to 156.
250 MHz
• No External Crystal Oscillator Capacitors Required
• 2.
5V or 3.
3V Operating Power Supply • Separate Output Power Supplies:
- Each Bank can be at Different Power Supply Voltage Levels (4 Banks of 2 Outputs Each)
• Industrial Temperature Range, –40°C to +85°C • Green, RoHS-, and PFOS-Compliant 48-Pin
7 mm x 7 mm QFN Package
Applications
• 1/10/40/100 Gigabit Ethernet (GbE) • SONET/SDH • PCI-Express • CPRI/OBSAI – Wireless Ba...
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