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DS560DF810ALUT

56-Gbps, eight-channel retimer with 2x2 crosspoint

Produttore:

Texas Instruments
ProduttorePart #:

DS560DF810ALUT
Scheda dati:

DS560DF810ALUT Scheda dati (PDF)
Type:

Retimer
Applications:

I²C
Input:

Differential
Output:

Differential
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per DS560DF810ALUT

E-mail: [email protected]

Skype: live:.cid.ab6b29428937b76

tel: +852 95804164

DS560DF810ALUT Descrizione generale

The DS560DF810 is an eight-channel multi-rate retimer with integrated signal conditioning. It extends the reach and robustness of long, lossy, crosstalk-impaired high-speed serial links.

Each channel in the DS560DF810 independently locks to symbol rates (PAM4 and NRZ) in a continuous range from 19.6 to 28.9 GBd or to any supported sub-rate. The integrated CDR function is an excellent choice for front-port optical module applications to reset the jitter budget and retime the high-speed serial data. These features allow for individual lane forward error correction (FEC) pass-through. In addition, the DS560DF810 supports automatic lane rate switching for CDR lock up to five different combinations of baud rates and modulation types without host intervention.

The advanced equalization features of the DS560DF810 include a continuously adaptive continuous-time linear equalizer (CTLE), RX feed-forward equalizer (FFE), decision feedback equalizer (DFE), and a programmable, low-jitter 4-tap TX feed-forward equalizer (FFE) filter. These features enable reach extension for lossy interconnects such as direct-attach copper (DAC) cables and backplanes with multiple connectors and crosstalk.

The DS560DF810 is equipped with a bit mux and de-mux gearbox for simple NRZ-to-PAM4 or PAM4-to-NRZ conversion between host and module. The gearbox is capable of aggregating a pair of NRZ inputs up to 28.9 GBd into one 28.9 GBd PAM4 output as well as de-aggregating a single 28.9 GBd PAM4 input into a pair of 28.9 GBd NRZ outputs.

The DS560DF810 implements a full 2×2 crosspoint between each pair of adjacent channels after the CDR to enable fast and flexible lane switching for PCB routing flexibility, 2-to-1 multiplexing and 1-to-2 de-multiplexing for failover redundancy, and 1-to-2 fanout for diagnostic monitoring. In addition, integrated physical AC coupling capacitors (TX and RX) eliminate the need for external capacitors on the PCB. These features reduce PCB routing complexity and bill of material (BOM) cost.

Diagnostic capabilities include a non-destructive PAM4/NRZ vertical eye height monitor, a 2D PAM4/NRZ eye opening monitor (EOM), PRBS pattern generator with error injector module, PRBS error checker, and on-die temperature sensor. These features help to gauge the margin of the link and can be used to monitor the health of the system over time.

The DS560DF810 can be configured either through I 2C or through an external EEPROM. Up to 16 devices can share a single EEPROM.

Caratteristiche principali

-channel multi-protocol retimer with integrated signal conditioning
All channels lock independently to both PAM4 and NRZ data rates from 19.6 to 28.9 GBd (including div-by-2 and div-by-4 sub-rates)
Suitable for up to CEI-56G, Ethernet™ (400 GbE), fibre channel (64GFC), InfiniBand™ (HDR), and CPRI/eCPRI PCB, copper cable, and optical applications
Automatic lane rate switching for CDR lock up to five different combinations of baud rates and modulation types
Low latency: <2000 ps (typical) at 26.5625 GBd
Continuously adaptive time linear equalizer (CTLE), RX feed-forward equalizer (FFE), and decision feedback equalizer (DFE) to support 30+ dB channel loss at 13.28 GHz
Integrated 2×2 crosspoint
Adjustable 4-tap TX FFE filter
Gearbox mode support (NRZ/PAM4 bit mux/de-mux, NRZ/PAM4 serializer/deserializer)
On-chip eye opening monitor (EOM), PRBS generator, and PRBS checker for debug
Dual 1.8-V and 1.2-V supplies
–40°C to +85°C operating temperature range
8.00 mm × 13.00 mm BGA package with integrated AC coupling capacitors

Specifiche

Series	-	Type	Retimer
Applications	I²C	Input	Differential
Output	Differential	Data Rate (Max)	56Gbps
Number of Channels	8	Delay Time	-
Signal Conditioning	Input Equalization	Voltage - Supply	1.2V, 1.8V
Current - Supply	-	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount

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