SiPHY MULTI-RATE SONET/SDH CLOCK AND DATA RECOVERY IC
Si5020
SiPHY™ M ULTI -R ATE SONET/SDH C LOCK
Features
Complete high speed, low power, CDR solution includes the followin...
Description
Si5020
SiPHY™ M ULTI -R ATE SONET/SDH C LOCK
Features
Complete high speed, low power, CDR solution includes the following:
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AND
D ATA R ECOVERY IC
Supports OC-48/12/3, STM-16/4/1, Gigabit Ethernet, and 2.7 Gbps FEC Low Power—270 mW (TYP OC-48) Small Footprint: 4 mm x 4 mm DSPLL™ Eliminates External Loop Filter Components 3.3 V Tolerant Control Inputs
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Exceeds All SONET/SDH Jitter Specifications Jitter Generation 3.0 mUIRMS (TYP) Device Power Down Loss-of-Lock Indicator Single 2.5 V Supply Ordering Information: See page 14.
Applications
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RATESEL1
RATESEL0
CLKOUT+
Description
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20 19 18
REXT
GND
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17 16 15 PWRDN/CAL 14 VDD
1 2 3 4 5 6
LOL
The Si5020 is a fully integrated low-power clock and data recovery (CDR) IC designed for high-speed serial communication systems. It extracts timing information and data from a serial input at OC-48/12/3, STM-16/4/1, or Gigabit Ethernet (GbE) rates. Support for 2.7 Gbps data streams is also provided for OC-48/STM-16 applications that employ forward error correction (FEC). DSPLL™ technology eliminates sensitive noise entry points thus making the PLL less susceptible to board-level interaction and helping to ensure optimal jitter performance. The Si5020 represents a new standard in low jitter, low power, and small size for high speed CDRs. It operates from a single 2.5 V supply over the industrial temperature range (–40°C to 85°C).
VDD GND REFCLK+ REFCLK–
GND Pad
CLKOUT–
SONET/SDH/AT...
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