TI DS100DF410

ADVANCE
INFORMATION
January 20, 2012
Low Power 10GbE Quad Channel Retimer
General Description
Features
The DS100RT410/DS100DF410 is a four-channel 10GbE retimer with integrated signal conditioning. Both the
DS100RT410 and the DS100DF410 include an input Continuous-Time Linear Equalizer (CTLE) on each channel. The
DS100DF410 also includes a five-tap Decision Feedback
Equalizer (DFE) on each channel.
The DS100DF410 can enhance the reach and robustness of
long, lossy, crosstalk-impaired high-speed serial links to
achieve BER < 1×10-15. For less demanding applications/interconnects, the non-DFE variant DS100RT410 can be used
to achieve the same BER performance. The two devices are
pin-compatible.
Each channel of the DS100RT410/DS100DF410 independently locks to 10GbE serial data at a data rate of 10.3125
Gbps or to 1GbE data at a data rate of 1.25 Gbps. A reference
clock is not required, which simplifies system design and lowers overall cost. Both devices support either data rate. A
protocol-select mode is available to speed up lock time.
Programmable transmit de-emphasis (up to -12 dB), transmit
VOD (up to 1300 mVp-p) and adaptive receive equalization (up
to 34 dB boost at 5 GHz) enable data transmission over lossy
copper cables of typical lengths greater than 10 m or backplanes with multiple connectors and typical trace lengths
greater than 40 inches. The CDR function is ideal for use in
parallel optical modules to reset the jitter budget and retime
high-speed serial data.
The programmable settings can be applied easily using the
SMBus interface or they can be loaded via 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.
The device is offered in a 48-pin LLP, 7 mm x 7 mm flowthrough package.
Notice: This document is not a full datasheet. For more
information regarding this product or to order samples
please contact your local Texas Instruments sales office
or visit http://www.ti.com.
■ All devices in the retimer family are pin compatible with
© 2012 Texas Instruments Incorporated
301608 SNLS399
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each other and with the quad buffer-repeater. The pincompatible device family includes the following:
— DS100RT410 (EQ+CDR+DE): 10.3125 Gbps
— DS100DF410 (EQ+DFE+CDR+DE): 10.3125 Gbps
— DS110RT410 (EQ+CDR+DE): 8.5 - 11.3 Gbps
— DS110DF410 (EQ+DFE+CDR+DE): 8.5 - 11.3 Gbps
— DS125RT410 (EQ+CDR+DE): 9.8 - 12.5 Gbps
— DS125DF410 (EQ+DFE+CDR+DE): 9.8 - 12.5 Gbps
— DS100BR410 (EQ+DE): Up to 10.3125 Gbps
Typical Power Dissipation (EQ+CDR+DE): 150 mW /
channel
Typical Power Dissipation (EQ+DFE+CDR+DE): 180
mW / channel
Locks to 10.3125 Gbps and 1.25 Gbps data rates
Fast lock operation based on protocol-select mode
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
Programmable output polarity inversion
Input signal detection, CDR lock detection/indicator
On-chip Eye Monitor (EOM), PRBS generator
Single 2.5 V ±5% power supply
SMBus/EEPROM configuration modes
Applications
■ Host-side front-port and backplane interface, SFF-8431,
SFF-8436 (10GbE and 1GbE)
■ Ethernet: 10GbE, 1GbE
For other data rates and data transmission protocols, other
pin-compatible devices in the retimer family can be used.
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DS100RT410, DS100DF410 PRODUCT BRIEF
DS100RT410, DS100DF410
PRODUCT BRIEF
DS100RT410, DS100DF410
Typical Application Diagram
30160880
www.ti.com
2
DS100RT410, DS100DF410
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DS100RT410, DS100DF410 PRODUCT BRIEF
Notes
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