SMI4038 Datasheet, PDF (1/2 Pages) Semtech Corporation – 45 to 49 Gbps 2:16 DQPSK CDR/Demultiplexer

Product Brief
OPTICAL TRANSPORT & DATACOM PRODUCTS
SMI4038
45 to 49 Gbps 2:16 DQPSK CDR/Demultiplexer
Product Description
SMI4038 accepts single-ended 45 to 49 Gbps NRZ
serial data streams and demultiplexes the data into
sixteen parallel output channels consistent with the
SFI-5 standard.
4 User-Selectable Reference Clock Inputs
4 SPI Control Interfaces Supports 1.2V or 1.8V LVCMOS
4 Temperature Sense Output Voltage
4 Power Supplies: 1.2 to 1.8V, and -2.8V (V_ee)
4 Low Power Consumption: 3.1 Watts (typical)
Product Highlights
4 2:16 CDR/Demultiplexer with Integrated DQPSK
Decoder Function
4 Dual Ground-Referenced Serial Input Ports operating
at rates from 22.5 to 24.5 Gbaud
4 Ground-Referenced Serial Input Ports
4 SFI-5+ Compatible Data and Clock Interfaces
4 Dual On-Chip Clock and Data Recovery Units (CDR’s)
with Full-Rate Recovered Clock Output
4 CDR Lock Status Indicators
4 On-Chip PRBS Error Checker and Pattern Generator:
2⁷-1 or 2³¹-1 Industry-Standard Patterns
4 100 mVp-p Input Sensitivity
4 Adjustable Input Threshold and Sample Clock Phase
for each input channel
Applications
4 OC768/OTU3 Modules and Transponders
4 MSPP, ADM and Cross-connects
4 IP Routers and Switches
SIERRA
MONOLITHICS
WWW.SEMTECH.COM