SEMTECH SMI4037

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
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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.
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SIERRA
MONOLITHICS
SMI4037-PB