VSC8115 unit equivalent, sts-12/sts-3 multi rate clock and data recovery unit.
* Performs clock and data recovery for 622.08 Mbps (STS-12/OC-12/STM-4) or 155.52 Mbps (STS-3/OC-3/STM-1) NRZ data
* 19.44 MHz reference frequency LVTTL input
when it is required to hold the CLKOUT± output to within ±500 ppm of the reference clock and to force the DATAOUT± outpu.
The VSC8115 functions as a clock and data recovery (CDR) unit for SONET/SDH-based equipment to derive highspeed timing signals. The VSC8115 recovers the clock from the scrambled non-return to zero (NRZ) data operating at 622.08 Mbps (STS-12/OC-12/STM.
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