SMI4029 Datasheet, PDF (2/2 Pages) Semtech Corporation – 40-45 Gbps 16:2 Multiplexer/CMU with DQPSK Precoder

Product Brief
SMI4029 Block Diagram
TXDATA[15]P/N
TXDATA[14]P/N
TXDATA[1]P/N
TXDATA[0]P/N
TXDSCP/N
TXDCKP/N
TXMCLKP/N
FRAME_EPOCH
RESET_N
TX_TEMP
GTEMP_P
GTEMP_N
Bias Current
Control
DATA_15
WRCLK_15
...
.. ₁₇
. _Channel
17xN
Channel
FIFO
Array
DLL
Array
DATA_0
WRCLK_0
2:1
DLLCLK_SEL
16:
1
X4
PLL
TXMCLK_EN
FRAME_LOCK
FRAME_EPOCH _EN
DESKEW _EN
TXOOA
Frame
Header
Acquistion
Deskew
Correlator
SFI-5 Transmit
Controller
PRBS
Error
Checker
Data Select
PRECODER_EN
TXDATA _SEL [ 1:0 ]
Select Resistor
Mux Block
TXDATA0_LVL [3:0]
DAC
TXDATA0
TXDATA0_PH[6:0] DAC
_EN
∆φ
PRBS
Pattern
2⁷ /2³¹
Fixed
Data
PRBS Block
∆φ
TXDATA1_PH [6:0] DAC TXDATA1
_EN
TXDATA1_LVL[3:0]
DAC
HSCLK0_FSEL
HSCLK0_PH[6:0]
DAC
HSCLK1_FSEL
HSCLK1_PH[6:0]
DAC
Clock
Multiplier
Unit (CMU)
1, ½
∆φ
HSCLK0_
LVL [3:0]
HSCLK0
_EN
DAC
1, ½
∆φ
HSCLK1_
LVL [3:0]
HSCLK1
_EN
DAC
CMU_LOCK
REFSEL
2:1
PHSERR_EN
Phase
Detect
PTAT Temp.
Sensor
Diode Temp.
Sensor
ADC TEMP
SFI-5 Block
-1.6V
Regulator
-1.6V
Reference
SPI Subsystem
RESP
1.0 K
RESN
TXDATAOUT[0]P/N
TXDATAOUT[1]P/N
HSCLK[0]P/N
HSCLK[1]P/N
TXLF_P
C1
R
C2
TXLF_N
TXCKSRCP/N
PHSERR_UPP/N
PHSERR_DNP/N
REFPLL P/N
TXREFCLKP/N
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.
SIERRA
MONOLITHICS
WWW.SEMTECH.COM
SMI4029-PB