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See Technical Specifications

DS125BR111RTWR

12.5-Gbps 2-channel redrivers with input equalization

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

DS125BR111RTWR
Datasheet:

DS125BR111RTWR Datasheet (PDF)
Type:

Buffer, ReDriver
Applications:

PCIe, SAS, SATA
Input:

CML
Output:

CML
EDA/CAD Models:

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DS125BR111RTWR General Description

The DS125BR111 is an extremely low power high performance repeater/redriver designed to support 1-lane carrying high speed interface up to 12.5 Gbps. The receiver's continuous time linear equalizer (CTLE) provides a boost of 3-10 dB at 6 GHz in each channel. When operating in SAS-3 or PCIe Gen-3 applications, the DS125BR111 preserves transmit signal characteristics allowing the host controller and the end point to negotiate transmit equalizer coefficients. Transparency to the link training protocol maximizes the flexibility of the physical placement of the device within the interconnect and improves overall channel performance.

The programmable settings can be applied easily via pins, software (SMBus or I2C), or loaded via an external EEPROM. In EEPROM mode, the configuration information is automatically loaded on power up, which eliminates the need for an external microprocessor or software driver.

Key Features

Low 65 mW/Channel (typ) Power Consumption
Supports Link Training
Supports Out-of-Band (OOB) Signaling
Advanced Signal Conditioning I/O
- Receive CTLE up to 10 dB at 6 GHz
- Linear Output Driver
- Output Voltage Range over 1200 mV
Programmable via Pin Selection, EEPROM, or
SMBus Interface
Single Supply Voltage: 2.5 V or 3.3 V
−40°C to 85°C Operating Temperature Range
Flow-thru Pinout in 4 mm × 4 mm 24-pin Leadless
WQFN Package

Specifications

Category	Integrated Circuits (ICs)InterfaceSignal Buffers, Repeaters, Splitters	Series	-
Type	Buffer, ReDriver	Applications	PCIe, SAS, SATA
Input	CML	Output	CML
Data Rate (Max)	12.5Gbps	Number of Channels	2
Delay Time	70ps	Signal Conditioning	Input Equalization, Output De-Emphasis
Voltage - Supply	2.5V ~ 3.3V	Current - Supply	40mA
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	DS125BR111