DS320PR822
- Linear redriver supporting PCIe 5.0, CXL 2.0, UPI 2.0 up to 32 Gbps
- Supports most ac coupled interfaces including DP, SAS, SATA, XFI
- Provides four 2x2 Crosspoint mux function
- CTLE boosts up to 22 dB at 16 GHz
- Ultra-low latency of 100 ps
- Low additive random jitter of 75 fs for PRBS data
- Excellent return loss of −10 dB at 16 GHz
- Single 3.3 V supply
- Internal voltage regulator provides immunity to supply noise
- Low active power of 160 mW per channel
- No heat sink required
- Pin-strap, SMBus or EEPROM programming
- Automatic receiver detection for PCIe use cases
- Protocol agnostic linear redriver allows seamless support for PCIe link training
- Support for x2, x4, x8, x16, x24 bus width with one or multiple DS320PR 822
- Temperature range of –40 °C to 85 °C
- 5.5 mm × 10 mm, 64 pin WQFN package
The DS320PR 822 is a low-power high-performance linear repeater or redriver designed to support PCIe 5.0, CXL 2.0, UPI 2.0, and other interfaces up to 32 Gbps. The DS320PR 822 provides four 2x2 cross-point mux functionality.
The DS320PR 822 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 inter-symbol interference (ISI) induced by an interconnect medium, such as PCB traces. The CTLE receiver is followed by a linear output driver. The linear data-paths of DS320PR 822 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 results in best electrical link and lowest possible latency. Low channel-channel cross-talk, low additive jitter and excellent return loss makes the device almost a passive element in the link, but with its useful equalization. The data-path of the device uses an internally regulated power rail that provides high immunity to any supply noise on the board.
The device also has low AC and DC gain variation providing consistent equalization in high volume platform deployment.
技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | DS320PR822 Linear Redriver for PCIe 5.0, CXL 1.1 With Four 2x2 Crosspoint Mux 数据表 | PDF | HTML | 2022年 9月 1日 | ||
证书 | DS320-SLIMSAS-EVM EU Declaration of Conformity | 2021年 4月 16日 |
设计和开发
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SIGCONARCHITECT3-WRTE — Texas Instruments SigCon Architect EVM GUI v3 Setup with RTE
支持的产品和硬件
产品
PCIe、SAS 和 SATA IC
硬件开发
评估模块 (EVM) 用 GUI
评估板
SIGCONARCHITECT — SigCon Architect v2.0.0.8
支持的产品和硬件
产品
PCIe、SAS 和 SATA IC
以太网重定时器、转接驱动器和多路复用器缓冲器
串行数字接口 (SDI) IC
硬件开发
评估模块 (EVM) 用 GUI
评估板
接口适配器
SIGCONARCHITECT-REPEATER-PROFILES — SigCon Architect Repeater Profiles v1.1
支持的产品和硬件
产品
PCIe、SAS 和 SATA IC
硬件开发
评估模块 (EVM) 用 GUI
SIGCONARCHITECT-RETIMER-PROFILES — SigCon Architect Retimer Profiles v1.3
支持的产品和硬件
产品
PCIe、SAS 和 SATA IC
硬件开发
评估模块 (EVM) 用 GUI
SIGCONARCHITECT-SDI-PROFILES — SigCon Architect SDI Profiles
支持的产品和硬件
产品
PCIe、SAS 和 SATA IC
硬件开发
评估模块 (EVM) 用 GUI
SIGCONARCHITECT-WRTE — SigCon Architect With RTE v2.0.0.8
支持的产品和硬件
产品
PCIe、SAS 和 SATA IC
以太网重定时器、转接驱动器和多路复用器缓冲器
串行数字接口 (SDI) IC
硬件开发
评估模块 (EVM) 用 GUI
评估板
接口适配器
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封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
WQFN (NJX) | 64 | Ultra Librarian |
订购和质量
- RoHS
- REACH
- 器件标识
- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
- MTBF/时基故障估算
- 材料成分
- 鉴定摘要
- 持续可靠性监测
- 制造厂地点
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