The DS100KR401 is an extremely low power, high performance repeater designed to support 4 lane (bi-directional) 10G-KR and other high speed interface serial protocols up to 10.3 Gbps. The receiver's continuous time linear equalizer (CTLE) provides a boost of up to +36 dB at 5 GHz (10.3125 Gbps) in each of its eight channels and 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, hence enabling host controllers to ensure an error free end-to-end link. The transmitter provides a de-emphasis boost of up to -12 dB and output voltage amplitude control from 700 mV to 1300 mV to allow maximum flexibility in the physical placement within the interconnect channel.

When operating in 10G-KR mode, the DS100KR401 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 guaranteed system level interoperability with minimum latency.

With a low power consumption of 65 mW/channel (typ) and option to turn-off unused channels, the DS100KR401 enables energy efficient system design. A single supply of 3.3v or 2.5v is required to power the device.

The programmable settings can be applied via 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.

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Comprehensive product family:

DS100KR800: 8-channel, uni-directional repeater

DS100KR401: 4x lane, bi-directional repeater

DS100BR210: 2-channel, uni-directional repeater

DS100BR111: 1x lane, bi-directional repeater

4 lane (8-channel, bi-directional) repeater for 4x 10G-KR and other serial standards up to 10.3 Gbps

Transparent management of 10G-KR (802.3ap) link training protocol

Low 65 mW/channel (typ) power consumption, with option to power down unused channels

Advanced signal conditioning features

- Receive Equalization up to 36 dB at 5 GHz

- Transmit de-emphasis up to -12 dB

- Transmit output voltage control: 700 mV to 1300 mV

Programmable via pin selection, EEPROM or SMBus interface

Single supply operation selectable: 2.5V or 3.3V

-40? to +85?C operating temperature range

3 kV HBM ESD rating

Flow-thru pinout in 10mmx5.5mm 54-pin leadless LLP package

• Type
• Redriver
• Number of channels (#)
• 8
• Input compatibility
• AC-coupling, CML
• Speed (Max) (Gbps)
• 10.3
• Protocols
• 10G-SR/LR, 10G-KR, 40G-SR4/LR4, 40G-KR4, Infiniband, Fibre Channel, CPRI, OBSAI, Interlaken, sRIO, General purpose
• Operating temperature range (C)
• -40 to 85

DS100KR401的完整型号有：DS100KR401SQ/NOPB、DS100KR401SQE/NOPB，以下是这些产品的关键参数及官网采购报价：

DS100KR401SQ/NOPB，工作温度：-40 to 85，封装：WQFN (NJY)-54，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：SN，TI官网DS100KR401SQ/NOPB的批量USD价格：8.756（1000+）

DS100KR401SQE/NOPB，工作温度：-40 to 85，封装：WQFN (NJY)-54，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：SN，TI官网DS100KR401SQE/NOPB的批量USD价格：10.507（1000+）

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