The document details the 89HT0832P, an 8.0Gbps, 16-lane PCIe 3.0 retimer designed to enhance signal integrity and system performance for high-performance computing and telecom applications. Key features include automatic equalization procedures, advanced equalization techniques, and on-die instrumentation for monitoring signal quality. Additionally, the retimer supports multiple link configurations and offers power management features to optimize performance and reduce energy consumption.

1. 89HT0832P 16-Lane PCIe 3.0 Retimer
Signal Integrity Products
Enterprise Computing Division
February 2013
©2013 Integrated Device Technology, Inc.

2. Signal Conditioner Overview
11010
Errors
110X1
11010
Signal
Conditioner
11010
www.IDT.co
PAGE 2

3. Signal Conditioner Overview

Improved system performance

Improved system reliability

Longer trace/cable

Standards compliance

Unique features or cost reduction
11010
Signal
Conditioner
11010
www.IDT.co
PAGE 3

4. Retimer Applications
Workstation System
Board
 HPC
 Servers
CPU
PCIe
 Storage
CPU
 Workstations
Slots
 Telecom
T0832P
89H T 08 32 P
Blade server
Protocol:
P=PCIe
No of channels=32
Data rate: 08=8Gbps
Function: T=reTimer
Product group prefix
www.IDT.co
T0832P
CPU
PAGE 4
Back
plane
x16
Blade server
(or I/O tray)
IO
or
CPU

5. 89HT0832P Key Features
8.0Gbps, 16-lane PCIe 3.0 Retimer
●
●
●
Resets total transmitter (TX) jitter budget
32 differential channels, gives 256Gbps throughput
Fully implements PCIe 3.0 Equalization Procedure
●
●
●
RX equalization: Analog CTLE plus 5-tap DFE
TX equalization: 4-tap FIR for de-emphasis
Advanced features
On-die instrumentation: scope and pattern generator/checker
●
Multiple independent link modes:
●
1x16-lanes, 2x8, 4x4, etc.
Independent master and slave ports
Compatibility features
●
Automatic optimization for 2.5 and 5Gbps operation
●
100MHz clock input (SSC with common-clock ,or non-SSC)
●
Receiver detection with termination control
●
Full EI support. Hot-swap support
●
Multiple automatic power reduction modes
Packaging, 345-BGA
●
20mm x 13mm (0.8mm pitch)
●
Green: Commercial & Industrial
www.IDT.co
Presets
RSTB
I2C/SMB, JTAG or automatic EEPROM configuration
●
●
EQ
FIR
serdes
A(0:15)TX(P:N)
B(0:15)RX(P:N)
Automatic timing and signal calibration
●
●
A(0:15)RX(P:N)
B(0:15)TX(P:N)
●
●
Data path
PAGE 5
MSDA/CL, A(2:0)
SSDA/CL, A(2:0)
Control logic
I2C / SMBus & registers
STATUS
GCLK(P:N)
JTAG

6. 89HT0832P Key Features
8.0Gbps, 16-lane PCIe 3.0 Retimer
●
●
●
Resets total transmitter (TX) jitter budget
32 differential channels, gives 256Gbps throughput
Fully implements PCIe 3.0 Equalization Procedure
RX equalization: Analog CTLE plus 5-tap DFE
●
TX equalization: 4-tap FIR for de-emphasis
●
On-die instrumentation: scope and pattern generator/checker
●
Multiple independent link modes:
●
●
1x16-lanes, 2x8, 4x4, etc.
I2C/SMB, JTAG or automatic EEPROM configuration
Independent master and slave ports
Compatibility features
Automatic optimization for 2.5 and 5Gbps operation
●
100MHz clock input (SSC with common-clock ,or non-SSC)
●
Receiver detection with termination control
●
Full EI support. Hot-swap support
●
Multiple automatic power reduction modes
Packaging, 345-BGA
●
20mm x 13mm (0.8mm pitch)
●
Green: Commercial & Industrial
www.IDT.co
Presets
RSTB
●
●
EQ
B(0:15)TX(P:N)

Advanced features RX equalization: Analog CTLE plus 5-tap DFE
● Automatic timing and signal calibration
 TX equalization: 4-tap FIR for de-emphasis
●
●
A(0:15)RX(P:N)
● Fully implements PCIe 3.0 Equalization Procedure
●
●
Data path
PAGE 6
MSDA/CL, A(2:0)
SSDA/CL, A(2:0)
FIR
serdes
Control logic
I2C / SMBus & registers
A(0:15)TX(P:N)
B(0:15)RX(P:N)
STATUS
GCLK(P:N)
JTAG

7. 89HT0832P Key Features
8.0Gbps, 16-lane PCIe 3.0 Retimer
●
●
●
Resets total transmitter (TX) jitter budget
32 differential channels, gives 256Gbps throughput
Fully implements PCIe 3.0 Equalization Procedure
●
●
●
RX equalization: Analog CTLE plus 5-tap DFE
TX equalization: 4-tap FIR for de-emphasis
Advanced features
On-die instrumentation: scope and pattern generator/checker
●
Multiple independent link modes:
●
1x16-lanes, 2x8, 4x4, etc.
Presets
RSTB
FIR
serdes
Control logic
MSDA/CL, calibration
 Automatic timing and signalA(2:0) I2C / SMBus & registers
SSDA/CL, A(2:0)
I2C/SMB, JTAG or automatic EEPROM configuration
●
Independent master and slave ports
Compatibility features
●
Automatic optimization for 2.5 and 5Gbps operation
●
100MHz clock input (SSC with common-clock ,or non-SSC)
●
Receiver detection with termination control
●
Full EI support. Hot-swap support
●
●
EQ
A(0:15)TX(P:N)
B(0:15)RX(P:N)
Automatic timing and signal calibration
●
●
A(0:15)RX(P:N)
B(0:15)TX(P:N)
●
●
Data path
Multiple automatic power reduction modes
Packaging, 345-BGA
●
20mm x 13mm (0.8mm pitch)
●
Green: Commercial & Industrial
www.IDT.co
PAGE 7
STATUS
GCLK(P:N)
JTAG

8. 89HT0832P Key Features
8.0Gbps, 16-lane PCIe 3.0 Retimer
●
●
●
Resets total transmitter (TX) jitter budget
32 differential channels, gives 256Gbps throughput
Fully implements PCIe 3.0 Equalization Procedure
●
●
●
RX equalization: Analog CTLE plus 5-tap DFE
TX equalization: 4-tap FIR for de-emphasis
Advanced features
On-die instrumentation: scope and pattern generator/checker
●
Multiple independent link modes:
●
1x16-lanes, 2x8, 4x4, etc.
Presets
RSTB
FIR
serdes
MSDA/CL, A(2:0)
SSDA/CL, A(2:0)
Control logic
I2C / SMBus & registers
 On-die scope and pattern generator/checker
I2C/SMB, JTAG or automatic EEPROM configuration
●
Independent master and slave ports
Compatibility features
●
Automatic optimization for 2.5 and 5Gbps operation
●
100MHz clock input (SSC with common-clock ,or non-SSC)
●
Receiver detection with termination control
●
Full EI support. Hot-swap support
●
●
EQ
A(0:15)TX(P:N)
B(0:15)RX(P:N)
Automatic timing and signal calibration
●
●
A(0:15)RX(P:N)
B(0:15)TX(P:N)
●
●
Data path
Multiple automatic power reduction modes
Packaging, 345-BGA
●
20mm x 13mm (0.8mm pitch)
●
Green: Commercial & Industrial
www.IDT.co
PAGE 8
STATUS
GCLK(P:N)
JTAG

9. 89HT0832P Key Features
8.0Gbps, 16-lane PCIe 3.0 Retimer
●
●
●
Resets total transmitter (TX) jitter budget
32 differential channels, gives 256Gbps throughput
Fully implements PCIe 3.0 Equalization Procedure
●
RX equalization: Analog CTLE plus 5-tap DFE
Data path
A(0:15)RX(P:N)
EQ
B(0:15)TX(P:N)
●
● Advanced features Multiple independent links
●
●
On-die instrumentation: scope and pattern generator/checker
●
Multiple independent link modes:
●
1x16-lanes, 2x8, 4x4, etc.
Presets
RSTB
B(0:15)RX(P:N)
MSDA/CL, A(2:0)
SSDA/CL, A(2:0)
Control logic
I2C / SMBus & registers
STATUS
GCLK(P:N)
JTAG
Independent master and slave ports
Compatibility features
●
Automatic optimization for 2.5 and 5Gbps operation
●
100MHz clock input (SSC with common-clock ,or non-SSC)
●
Receiver detection with termination control
●
Full EI support. Hot-swap support
●
●
serdes
 1x16-lanes, 2x8, 4x4, and more
I2C/SMB, JTAG or automatic EEPROM configuration
●
●
A(0:15)TX(P:N)
Automatic timing and signal calibration
●
●
TX equalization: 4-tap FIR for de-emphasis
FIR
Multiple automatic power reduction modes
2-ports x 8-lanes
Packaging, 345-BGA
●
20mm x 13mm (0.8mm pitch)
●
Green: Commercial & Industrial
www.IDT.co
PAGE 9
1-port x 16-lanes
4-ports x 4-lanes

10. Retimer Design Materials
T0832P
8Gbps, 16-channel PCIe3 Retimer
16-lane slot
USB
configuration
port
I2C &
JTAG
ports,
EQ hint
switches
16-lane finger
connector
www.IDT.co
PAGE 10

11. Retimer Benefits
Feature
Benefit
Fully compliant to PCIe 3.0 auto
EQ training procedure
Automatic optimization to 10e-12 BER for highperformance with all system configurations,
add-in cards, etc.
Excellent jitter performance ,
RX DFE and TX FIR provides most signal
correcting both Dj and Rj
margin for fewer lost packets and longer
trace/cables
Automatic calibration
Insures termination impedances, lane skew,
and other functions work optimally for reliable
8Gbps operation
On-die instrumentation – scope and Enables error rate monitoring, and eye
pattern generator/checker
diagram measurement after equalization (per
PCIe standard) to insure signal optimization
ASPM power management
Tracks link partner state to automatically
power-down idle or unused lanes
www.IDT.co
PAGE 11

12. IDT Advantage
● Proven
protocol expertise in PCIe, timing and SERDES
● Industry
leading Signal Integrity expertise
● Responsive,
● Evaluation
● A broad
comprehensive technical support – on-line and local
tools, simulation support, design reviews, etc.
portfolio of products for many system functions
● Established,
quality IC supplier
IDT Retimers deliver an excellent 8Gbps transmitted signal
8Gbps Transition Eye (Pres et 4)
www.IDT.co
8Gbps Non-T ransi tion Eye (P reset 4)
PAGE 12

13. Thank you!
All rights reserved
©2013 Integrated Device Technology, Inc.

14. Transcript
●
Hi, my name is Ken Curt. I'm a product manager at Integrated Device Technology with responsibilities for signal integrity products. Today I'd
like to introduce our new 16-lane, eight gigabit per second PCI express Gen3 re-timer. The 89HT0832P signal conditioning IC.
●
A gigabyte per second signal can degrade quickly in to noise as it travels down a wire. A noisy signal can result in bad communication,
errors, and degraded system performance. Signal conditioners, such as IDT re-timers, are designed for the purpose of restoring a poorinput signal back into a high quality re-transmitted signal for better data communications.
●
Improved signal quality results in improved system performance because there are fewer lost packets and re-tries. Better signal quality
improves long-term system stability and reliability, due to better signal amplitude and timing margins. Signal conditioners enable longer
signaling distances and provide other advantages, too.
●
IDT’s T0832 retimer has 16 lanes, or 32 serial differential channels, each operating at eight gigabits per second. The device is targeted for
applications in high-performance computing, rack and blade servers, storage systems, desktop work stations, and telecom systems.
●
The IDT 0832 retimer implements numerous state-of-the-art features around a CDR and SERDES core. Equalization is an essential
function of any signal conditioner, and the 0832 implements a receiver stage with continuous time linear equalizer, followed by a five-tap
decision feedback equalizer. The transmit stage implements subfinite impulse response filter to provide the new pre-sheet and boost levels
as defined in the PCI3 standard. Properly configuring a signal conditioner for receive and transmit equalization is probably the most
challenging part of any design. Newly defined in the PCI 3.0 standard is an equalization procedure which automatically adjusts the
receivers and transmitters for a low, 10-12 bit error rates. IDT’s retimers fully implement this procedure on both upstream and downstream
ports. The 0832 retimer provides automatic power-on calibration of key signals, timing, and amplitudes to provide accurate operation for the
best signal quality. The T0832 retimer provides instrumentation features, including an on-die oscilloscope and pattern generator checker,
with built-in and user-defined patterns. The 16-lane architecture can support multiple independent links of four or eight lanes.
●
For product support, IDT offers an evaluation board that plugs into a PCI slot on a typical server or workstation, a Windows-based GUI for
configuration register access, and the bit error contour or eye diagram utility, reference schematics, simulation models, and layout
examples are available too, of course.
●
To summarize the benefits of the IDT PCI 3.0 retimer, they include one, full compliance to the new automatic equalization procedure,
ensuring a very low bit error rating and high performance. Two, excellent jitter performance, correcting both random and deterministic jitter,
for the best signal integrity over longer traces. Three, automatic calibration that assures each device operates optimally in any environment,
providing the best margins for long-term reliability. Four, enhanced features, such as the on-die oscilloscope, which facilitates system
design and can help with monitoring, even after system deployment. And five, automatic power reduction, which minimizes power use
whenever possible, on a per-lane basis.
●
IDT is the leader in mixed analog and digital ICs, with established expertise in PCI Express, in timing, in SERDES, and signal integrity. IDT
provides expert technical support and assistance with your development efforts. IDT offers a broad portfolio of ICs for many essential
system functions, developed over 30 years as a supplier of quality semi-conductor devices.
●
That concludes my presentation today. Thank you for your time and attention. Please contact IDT if you have any following questions.
www.IDT.co
PAGE 14