LT8644

1. 一般的描述
LT8644是一個16×16數字交叉點開關，具有16個差分CML兼容輸入和16個差分CML輸出。LT8644是優化的非歸零(NRZ)信令，數據速率高達3.4 Gbps每個端口。每個端口提供可編程水平的輸入均衡和可編程的輸出擺動。LT8644支持通過串口控制接口進行獨立通道切換。LT8644具有低延遲和非常低的通道到通道傾斜。I2C接口用于控制設備，并提供高級特性的訪問。
2. 特性
?DC ~ 3.4 Gbps /端口NRZ數據速率
?可編程接收均衡
?直流或交流耦合差分CML輸入
?直流或交流耦合差分CML輸出
?可編程CML輸出電平
?50Ω片上I/O終止
?支持8b/10b，加密或未編碼的NRZ數據
?I2C從控制接口
?ESD額定值:HBM±7kV
3.應用程序
?光纖網絡交換
?數字視頻(HDMI, DVI，顯示端口)
?數據存儲網絡

1. General Description

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) signaling 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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