GN2105S
The GN2105S is a quad channels 24Gbps to 28Gbps NRZ CDR with integrated high-performance DC-coupled Direct Modulated Laser (DML) drivers offering superior transmitter (Tx) performance with various low cost and low bandwidth laser with the lowest possible power.
功能
- Used in applications such as 100G QSFP28 PSM4, CWDM4 and LR4 modules
- Extended data rate (24.0Gbps to 28.1Gbps) and i-Temp support
- Offered in a compact 3.7mm x 5.4mm WL-CSP package
- Enables highly differentiated and best-in-class <3.5W module solutions when the transceiver is paired with Semtech’s ClearEdge GN2110S quad CDR with an integrated transimpedance amplifier (TIA)
- 100GbE CLR4, CWDM4, PSM4 and 128GFC-CWDM4 optical transceiver modules
- IEEE 100G-LR4 / OTU-4 optical transceiver modules
- 4 x 25G “micro-QSFP28” and QSFP28 optical transceiver modules
- 4 x 10G QSFP+ optical transceiver modules
- 5G wireless application
应用
Pb(Lead)-Free/RoHS-Green Info
（-40°C 至 +85°C / 4000 循环）
（50°C，4000 小时）
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资源
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Power, latency and cost. The three horsemen of Artificial intelligence (AI) and Machine Learning (ML) data center interconnects. Each new generation of interconnect drives a lower mW/Gbps and dollar/Gbps. Power consumption is not just about data center operating expenses. It is also about sustainability.
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在 2018 年进行了大量演示和 alpha 模块测试之后，双密度版本的四通道小型可插拔 (QFSP) 多源协议 (MSA) 模块标准有望成为新线卡的规则。QSFP-DD 热潮的隐含意义不是模块本身的物理特性，而是转向先进信令方法的趋势。十年前，QSFP28 的问世预示着使用 NRZ 信令的 25Gbps 电通道即将占据主导地位。如今，QSFP-DD 及其更庞大的表亲 —— 八进制 SFP 或 OSFP ，都使用 PAM4 信令。其用得最多的是 50Gbps 通道。但 QSFP-DD 足够灵活，可以在各种实施中使用八通道接口：25G x 8 用于 200Gbit 以太网，50G x 8 用于 400Gbit 以太网，可能还有一些早期的 100G x 8 用于预标准 800Gbit 以太网。
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