DS110RT410 Channel Retimer Datasheet

DS110RT410 Datasheet, PDF, Equivalent


Part Number

DS110RT410

Description

Low-Power Multi-Rate Quad Channel Retimer

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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DS110RT410
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DS110RT410
SNLS460A – MAY 2013 – REVISED OCTOBER 2015
DS110RT410 Low-Power Multi-Rate Quad Channel Retimer
1 Features
1 Each Channel Independently Locks to Data Rates
from 8.5 to 11.3 Gbps and Sub-rates
• Sub-rates of Divide by 2, 4, or 8
• Fast-Lock Operation Based on Protocol-Select
Mode
• Low Latency (300 ps)
• Adaptive Equalization up to 34-dB Boost at 5 GHz
• Adjustable Transmit VOD: 600 to 1300 mVp-p
• Adjustable Transmit De-emphasis to –12 dB
• Typical Power Dissipation (EQ+CDR+DE):
150 mW/Channel
• Programmable Output Polarity Inversion
• Input Signal Detection, CDR Lock Detection and
Indicator
• On-Chip Eye Monitor (EOM), PRBS Generator
• Single 2.5-V ±5% Power Supply
• SMBus and EEPROM Configuration Modes
• Operating Temperature Range of –40 to 85°C
• WQFN 48-Pin 7-mm × 7-mm Package
• Easy Pin Compatible Upgrade Between Repeater
and Retimers
– DS100RT410 (EQ+CDR+DE): 10.3125 Gbps
– DS100DF410 (EQ+DFE+CDR+DE):
10.3125 Gbps
– DS110RT410 (EQ+CDR+DE): 8.5 to
11.3 Gbps
– DS110DF410 (EQ+DFE+CDR+DE): 8.5 to
11.3 Gbps
– DS125RT410 (EQ+CDR+DE): 9.8 to
12.5 Gbps
– DS125DF410 (EQ+DFE+CDR+DE):
9.8 to 12.5 Gbps
– DS100BR410 (EQ+DE): Up to 10.3125 Gbps
2 Applications
• Front Port SFF 8431 (SFP+) Optical and Direct
Attach Copper
• Backplane Reach Extension, Data Retimer
• Ethernet: 10 GbE, 1 GbE
• Fibre-Channel, InfiniBand
• Other Propriety Data Rates up to 11.3 Gbps
3 Description
The DS110RT410 is a four-channel retimer with
integrated signal conditioning. The device includes a
fully adaptive continuous-time linear equalizer
(CTLE), clock and data recovery (CDR), and a
transmit de-emphasis (DE) driver to enable data
transmission over long, lossy and crosstalk-impaired
highspeed serial links to achieve BER < 1 × 10–15.
For channels with a high amount of crosstalk, the
DS110DF410 should be used because it has self-
calibrating 5-tap decision-feedback equalizer (DFE).
Each channel can independently lock to data rates
from 8.5 to 11.3 Gbps, and associated sub-rates
(divide by 2, 4, and 8) to support a variety of
communication protocols. A 25-MHz crystal oscillator
clock is used to speed up the CDR lock process. This
clock is not used for training the PLL and does not
need to be synchronous with the serial data.
The programmable settings can be applied using the
SMBus (I2C) interface, or they can be loaded through
an external EEPROM. An on-chip eye monitor and a
PRBS generator allow real-time measurement of
high-speed serial data for system bring-up or field
tuning.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DS110RT410
WQFN (48)
7.00 mm × 7.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Diagram
Switch Fabric
Line Card
DS110DF410
Optical Modules
x4
ASIC
x4
x4 10GbE
ASIC
Fibre Channel
InfiniBand
SONET
SFP+ (SFF8431)
Others
Back
Plane/
Mid
Plane
x4
DS110DF410
Passive Copper
Clean Signal
Noisy Signal
1
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.

DS110RT410
DS110RT410
SNLS460A – MAY 2013 – REVISED OCTOBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 6
6.1 Absolute Maximum Ratings ...................................... 6
6.2 ESD Ratings.............................................................. 6
6.3 Recommended Operating Conditions ...................... 6
6.4 Thermal Information .................................................. 6
6.5 Electrical Characteristics........................................... 7
6.6 Typical Characteristics ............................................ 10
7 Detailed Description ............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagram ....................................... 11
7.3 Feature Description................................................. 11
7.4 Device Functional Modes........................................ 13
7.5 Programming........................................................... 20
7.6 Register Maps ......................................................... 34
8 Application and Implementation ........................ 50
8.1 Application Information............................................ 50
8.2 Typical Application ................................................. 50
9 Power Supply Recommendations...................... 52
10 Layout................................................................... 52
10.1 Layout Guidelines ................................................. 52
10.2 Layout Example .................................................... 52
11 Device and Documentation Support ................. 54
11.1 Device Support...................................................... 54
11.2 Documentation Support ........................................ 54
11.3 Community Resources.......................................... 54
11.4 Trademarks ........................................................... 54
11.5 Electrostatic Discharge Caution ............................ 54
11.6 Glossary ................................................................ 54
12 Mechanical, Packaging, and Orderable
Information ........................................................... 54
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (May 2013) to Revision A
Page
• Added ESD Ratings table, Thermal Information table, Feature Description section, Device Functional Modes,
Application and Implementation section, Power Supply Recommendations section, Layout section, Device and
Documentation Support section, and Mechanical, Packaging, and Orderable Information section....................................... 1
• Changed Channel Register 33 to Reserved. ....................................................................................................................... 44
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Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DS110RT410 SNLS460A – MAY 2013 – REVISED OCTOBER 2015 DS110RT41 0 Low-Power Multi-Rate Quad Channel Ret imer 1 Features •1 Each Channel Inde pendently Locks to Data Rates from 8.5 to 11.3 Gbps and Sub-rates • Sub-rate s of Divide by 2, 4, or 8 • Fast-Lock Operation Based on Protocol-Select Mod e • Low Latency (≈300 ps) • Adapt ive Equalization up to 34-dB Boost at 5 GHz • Adjustable Transmit VOD: 600 t o 1300 mVp-p • Adjustable Transmit De -emphasis to –12 dB • Typical Power Dissipation (EQ+CDR+DE): 150 mW/Channe l • Programmable Output Polarity Inve rsion • Input Signal Detection, CDR L ock Detection and Indicator • On-Chip Eye Monitor (EOM), PRBS Generator • Single 2.5-V ±5% Power Supply • SMBu s and EEPROM Configuration Modes • Op erating Temperature Range of –40 to 8 5°C • WQFN 48-Pin 7-mm × 7-mm Packa ge • Easy Pin Compatible Upgrade Between Repeater and Retimers – DS100RT410 (EQ+CDR+DE): 10.3125 Gbps – DS.
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