龙讯LT8644一个16×16数字交叉点开关

LT8644

1. 一般的描述

LT8644是一个16×16数字交叉点开关，具有16个差分CML兼容输入和16个差分CML输出。LT8644是优化的非归零(NRZ)信令，数据速率高达3.4 Gbps每个端口。每个端口提供可编程水平的输入均衡和可编程的输出摆动。LT8644支持通过串口控制接口进行立通道切换。LT8644具有低延迟和非常低的通道到通道倾斜。I2C接口用于控制设备，并提供高级特性的访问。

2. 特性

•DC ~ 3.4 Gbps /端口NRZ数据速率

•可编程接收均衡

•直流或交流耦合差分CML输入

•直流或交流耦合差分CML输出

•可编程CML输出电平

•50Ω片上I/O终止

•支持8b/10b，加密或未编码的NRZ数据

•I2C从控制接口

•ESD额定值:HBM±7kV

3.应用程序

•光纤网络交换

•数字视频(HDMI, DVI，显示端口)

•数据存储网络

The LT8644 is a 16×16 digital crosspoint switch, with 16 differential CML compatible inputs and 16 differential CML outputs. The LT8644 is optimized for nonreturn-to-zero (NRZ) **ing with data rates of up to 3.4 Gbps per port. Each port offers programmable level of input equalization and programmable output swing. The LT8644 supports independent channel switching through the serial control interface. The LT8644 has low latency and very low channel-to-channel skew. An I2C interface is used to control the device and provide access to advanced features.

2. FEATURES

• DC to 3.4 Gbps per port NRZ data rate
• Programmable receive equalization
• DC- or AC-coupled differential CML inputs
• DC- or AC-coupled differential CML outputs
• Programmable CML output levels
• 50Ω on-chip I/O termination
• Supports 8b/10b, scrambled or uncoded NRZ data
• I2C slave control interface
• ESD rating: HBM at ±7kV

3. APPLICATIONS

• Fiber optic network switching
• Digital video (HDMI, DVI, Display Port)
• Data storage networks

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