DS320PR810NJXR

Signal Buffers, Repeaters, Splitters Overview

The DS320PR810NJXR is an eight-channel linear redriver designed for PCIe 5.0, CXL 2.0, and UPI 2.0 interfaces up to 32 Gbps. It features a continuous-time linear equalizer (CTLE) with boost up to 22 dB at 16 GHz and ultra-low latency of 100 ps. The device operates on a single 3.3 V supply with active power consumption ranging from 1.15 W to 1.75 W across all channels. It supports pin-strap, SMBus, or EEPROM programming and functions within a temperature range of –40 °C to 85 °C in a 64-pin WQFN package.

Signal Buffers, Repeaters, Splitters Feature Summary

• Supports high-speed interfaces including PCIe 5.0, CXL 2.0, and UPI 2.0 up to 32 Gbps
• Integrates CTLE with programmable high-frequency boost up to 22 dB at 16 GHz
• Provides ultra-low latency of 100 ps and low additive random jitter of 75 fs
• Offers flexible configuration via pin-strap, SMBus/I2C primary, or secondary modes

Signal Buffers, Repeaters, Splitters Applications

• Rack server, microserver, and tower server systems
• High performance computing platforms
• Hardware accelerator cards
• Network attached storage and storage area network host bus adapter cards
• Network interface cards and desktop PC motherboards

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific ordering suffix NJXR corresponds to the reel packaging format required for your assembly line. Confirm that the component meets RoHS compliance standards as specified in the manufacturer's documentation. Ensure that the design accounts for the moisture sensitivity level indicated in the datasheet prior to soldering processes.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when designing systems requiring signal integrity extension for PCIe 5.0 or CXL 2.0 links up to 32 Gbps. The device is suitable for applications needing low latency and protocol transparency without retiming. Consider the 64-pin WQFN package constraints and thermal dissipation requirements for high-density board layouts.

Signal Buffers, Repeaters, Splitters Part Context

This part belongs to the DS320PR series of linear redrivers from Texas Instruments. It is specifically engineered to extend passive channel lengths in high-speed serial links. The device acts as a transparent equalizer, preserving transmit presets while providing necessary receiver equalization for link training compatibility.

Signal Buffers, Repeaters, Splitters Replacement Considerations

The DS160PR810 is a related model supporting lower speeds up to 16 Gbps. Verify interface speed requirements before substitution. Ensure pinout compatibility and check if the target application requires support for protocols beyond PCIe 4.0.

Signal Buffers, Repeaters, Splitters FAQ

What is the maximum data rate supported by the DS320PR810?

The DS320PR810 supports data rates up to 32 Gbps, making it suitable for PCIe 5.0, CXL 2.0, and UPI 2.0 applications.

How is the device configured for operation?

The device can be configured using three methods: pin-strap settings, reading configuration from an external EEPROM in SMBus/I2C Primary mode, or direct control via an external controller in SMBus/I2C Secondary mode.

What is the input return loss performance at 16 GHz?

The device exhibits excellent input differential return loss of -9 dB at 16 GHz, ensuring minimal signal reflection at high frequencies.