1 Features
1• Quad-channel linear equalizer supporting PCIe
1.0/2.0/3.0/4.0 up to 16 Gbps interfaces
• CTLE boosts up to 18 dB at 8 GHz helps to
extend channel reach
• Automatic receiver detection for PCIe use cases
• Protocol agnostic linear redriver allows seamless
support for PCIe link training
• Supports data rates up to 25 Gbps including Ultra
Path Interconnect (UPI)
• Ultra-low latency of 70 ps (typical)
• Low additive random jitter of 60 fs (typical) with
PRBS data
• Single 3.3 V supply
• Low active power of 124 mW/channel (typical) -
no heat sink required
• Pin-strap, SMBus or EEPROM programming
• Support for x2, x4, x8, x16 PCIe bus width with
one or multiple DS160PR410
• Industrial temperature range of –40ºC to 85ºC
• 4.0 mm × 6.0 mm, 40 pin WQFN package

2 Applications
• Rack server
• Microserver & tower server
• High performance computing
• Network attached storage
• Storage area network (SAN) & host bus adapter
(HBA) card
• Hardware accelerator
• Network interface card (NIC)
• Desktop PC/motherboard

3 Description
The DS160PR410 is a four channel low-power highperformance
linear repeater/redriver designed to
support PCI Express (PCIe) Generation 1.0, 2.0, 3.0
and 4.0. The device is a protocol agnostic linear
redriver that can operate for interfaces up to 25 Gbps
including Ultra Path Interface (UPI) 2.0.
The DS160PR410 receivers deploy continuous time
linear equalizers (CTLE) to provide a programmable
high-frequency boost. The equalizer can open an
input eye that is completely closed due to intersymbol
interference (ISI) induced by an interconnect
medium, such as PCB traces. The CTLE receiver is
followed by a linear output driver. The linear
datapaths of DS160PR410 preserve transmit preset
signal characteristics. The linear redriver becomes
part of the passive channel that as a whole get link
trained for best transmit and receive equalization
settings. This transparency in the link training protocol
result in best electrical link and lowest possible
latency. The programmable equalization of the device
along with its linear datapaths maximizes the
flexibility of physical placement within the
interconnect channel and improves overall channel
performance.
The programmable settings can be applied easily
through software (SMBus or I2C), direct loading from
an external EEPROM, or by using pin control. In
EEPROM mode, the configurations are automatically
loaded on power up, eliminating the need for an
external microprocessor or software driver.