Product Brief OPTICAL TRANSPORT & DATACOM PRODUCTS SMI4037 39.8 to 44.6 Gbps 1:16 CDR/Demultiplexer Product Description SMI4037 accepts single-ended or differential 39.8 to 44.6 Gbps NRZ serial data streams and demultiplexes the data into sixteen parallel output channels consistent with the SFI-5 standard. Product Highlights 4 1:16 CDR/Demultiplexer Supports from 39.8 to 44.6 Gbps Data Rates 4 User Enabled Differential Decoder Function 4 SFI-5 Compliant Client Side Interface 4 Ground Referenced High Speed Differential Input Ports Input Eye Opening Sensitivity: 100 mVp-p (at 40Gbps) SONET Compliant Clock Jitter Tolerance 4 Half Rate User Enabled Recovered Clock (19.9 to 22.3 GHz) Ground Referenced CML 0.4 to 0.8 Volt pp Differential Output Level 4 Reference Clock Input Port at 1/64th the Line-Side Baud-Rate 4 PRWS Error Checker and Pattern Generator: 27-1 or 231-1 patterns On Chip Error Counter for Measuring BER Lane by Lane Error Checking 4 512 Bit Arbitrary Pattern Generator 4 SPI Control Interface Supports 1.2V or 1.8V LVCMOS 4 Temperature Sense Output Voltage 4 Dual Power Supply Voltages: +1.2 or +1.8V and -2.8V 4 Low Power Consumption: 2.8 Watts (typical) Applications 4 OC768/OTU3 Modules and Transponders 4 MSPP, ADM and Cross-connects 4 IP Routers and Switches W W W .SE MTE CH .COM SIERRA MONOLITHICS Product Brief SMI4037 Block Diagram — 1:16 CDR/Demultiplexer with Differential Decoder RXLOS EXTLOS SEL CDR_LOCK_ERR EXTLOS RXS Select Resistor RXDATAIN _DELAY 1[5:0] TH_ADJN[7:0] + - CDR DAC RXDATAIN_N + RXDATAIN_DELAY0[5:0] CDR Block SWAP_01 DAC PH_ADJ[4:0] RCLK_EN INVERT[1,0] RCLKP/N Data Select Frame Generator RXDSCP/N RXDATA_EN . . . Fixed Data PRBS Pattern 27 /231 FRAME_EPOCH RESET_N Level Shift RXREFCLK P/N Status Control DACs Control logic SPI Subsystem RXCKSRCP/N RXCLKSRC_EN RXMCLKP/N VDD_Control RXMCLK_EN SPI_EN_N SPI_CLK SPI_DIN SPI_DOUT VCC_Digital -1.6V Reference REFN16_OUT REFN16_IN VDD_Digital VEE VEE_Digital -1.6V Regulator TEMP VCC VDD_SFI5 ADC VCC_VCO_1 VEE_VCO_1 VEE_VCO_0 VCC_VCO_0 PTAT Temp. Sensor . . RXDATA[0] P/N RXDCKP/N Data Control RX_TEMP RXDATA[15] P/N . RXDCK_EN RXDATA_ SEL[1:0] DAC PRBS Error Checker DQPSK Decoder Line Side Deskew + DECODER_EN Peak Det TH_ADJP[7:0] SFI-5 Block PRBS Block RXLF_N RXDATAIN_P GTEMP_P GTEMP_N Diode Temp. Sensor ADC R 1.0 K RESN PEAKDET [7:0] C1 C2 Status Control Logic Bias Current Control > LOS_TH[7:0] RXLF_P RESP Detector & Status RXS_SEL [1:0] Interface Definitions SFI5 compatabile I/O LVCMOS (1.2, 1.8V) GND referenced CML AC coupled CML Sierra Monolithics Inc. is now part of Semtech Incorporated. To view the most current product specifications and datasheets, contact your local Semtech Field Applications Engineer. W W W .SE MTE CH .COM SIERRA MONOLITHICS SMI4037-PB