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DS100KR800 Datasheet(PDF) 1 Page - Texas Instruments

Part # DS100KR800
Description  8-Channel Repeater for Data-Rates Up to 10.3 Gbps
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

DS100KR800 Datasheet(HTML) 1 Page - Texas Instruments

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VDD (2.5 V)
INA_0+
INA_0-
AD0
AD1
AD2
AD3
ENSMB
SCL
(2)
READ_EN / SD_TH
SDA
(2)
OUTA_0+
OUTA_0-
.
.
.
.
.
.
GND (DAP)
(1) Schematic shows connection for SMBus Slave Mode (ENSMB=1 kW to VIN)
For SMBus Master Mode or Pin Mode configuration, the connections are different.
(2) SMBus signals need to be pulled up elsewhere in the system.
(3) Schematic requires different connections for 2.5 V mode.
(4) Schematic requires pull-down resistor for 10G Mode.
.
.
.
VIN
0.1 F (x5)
SMBus Slave Mode
(1)
.
.
.
INA_3+
INA_3-
OUTA_3+
OUTA_3-
VDD_SEL
VIN (3.3 V)
INB_0+
INB_0-
OUTB_0+
OUTB_0-
.
.
.
.
.
.
.
.
.
.
.
.
INB_3+
INB_3-
OUTB_3+
OUTB_3-
RESERVED
Address straps
(pull-up to VIN or
pull-down to GND)
(1)
1 F
3.3 V
(3)
10 F
ALL_DONE
MODE
To SMBus/I2C
Host Controller
DS100KR800
.
.
.
.
.
.
SMBus Slave Mode
(1)
SMBus Slave Mode
(1)
INPUT_EN
10G-KR Mode
(4)
VIN
RESET
DS100KR800
2x40G
DS100KR800
ASIC
FPGA
2x40G
DS100KR800
8x10G
DS100KR800
8x10G
Stacked QSFP+
40 GbE Copper CR4 or
40 GbE SR4/LR4 Optical
Stacked QSFP+
1xQSFP+ to 4xSFP+
Breakout
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
DS100KR800
SNLS340E – NOVEMBER 2011 – REVISED NOVEMBER 2015
DS100KR800 8-Channel Repeater for Data-Rates Up to 10.3 Gbps
1
1 Features
1
Comprehensive Product Family:
DS125BR820: 8-Channel Repeater
DS125BR401A: 4x Lane Repeater
DS125BR111: 1x Lane Repeater
Transparent Management of 10G-KR (802.3ap)
Link Training Protocol
65 mW/Channel (Typical) Power Consumption
Advanced Signal Conditioning Features
Receive Equalization up to 36 dB at 5 GHz
Transmit De-emphasis up to –12 dB
Transmit Voltage Control: 700 mV to 1300 mV
Programmable Through Pin Selection, EEPROM
or SMBus Interface
Selectable 2.5-V or 3.3-V Supply Voltage
–40°C to +85°C Operating Temperature Range
Flow-thru Pinout in Leadless WQFN Package
2 Applications
Front-Port 40G-CR4/SR4/LR4 Link Extensions
Backplane 40G-KR4 Link Extensions
Simplified Functional Block Diagram
3 Description
The DS100KR800 device is a high performance
repeater
designed
to
support
8-channel
(unidirectional),
10G-KR,
and
other
high-speed
interface serial protocols up to 10.3 Gbps. The
continuous time linear equalizer (CTLE) of the
receiver provides a boost of up to 36 dB at 5 GHz
(10.3125 Gbps) in each of its eight channels. This
equalizer is capable of opening an input eye that is
completely closed due to inter symbol interference
(ISI) induced by interconnect medium such as long
backplanes or cables. The transmitter provides a de-
emphasis boost of up to –12 dB and output voltage
amplitude control from 700 mV to 1300 mV.
When operating in 10G-KR mode, the DS100KR800
transparently allows the host controller and the end
point to optimize the full link and negotiate transmit
equalizer coefficients as defined in the 802.3ap
standard. This seamless management of the link
training protocol ensures system level interoperability
with minimum latency.
The programmable settings can be applied through
pin settings, SMBus (I2C) protocol or an external
EEPROM. When operating in the EEPROM mode,
the configuration information is automatically loaded
on power-up. This eliminates the need for an external
microprocessor or software driver.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DS100KR800
WQFN (54)
10.00 mm × 5.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Block Diagram


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