LT8644HDMI1.4矩陣開(kāi)關(guān)

LT8644

1. 一般的描述

LT8644是一個(gè)16×16數(shù)字交叉點(diǎn)開(kāi)關(guān)，具有16個(gè)差分CML兼容輸入和16個(gè)差分CML輸出。LT8644針對(duì)非歸零(NRZ)信令進(jìn)行了優(yōu)化，每個(gè)端口的數(shù)據(jù)速率高達(dá)3.4 Gbps。每個(gè)端口提供可編程級(jí)別的輸入均衡和可編程輸出擺動(dòng)。LT8644支持通過(guò)串口控制接口進(jìn)行獨(dú)立通道切換。LT8644具有低延遲和非常低的通道到通道的傾斜。I2C接口主要用于控制設(shè)備和訪問(wèn)高級(jí)特性。

2. 特性

?DC到3.4 Gbps每個(gè)端口NRZ數(shù)據(jù)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，打亂或未編碼的NRZ數(shù)據(jù)

?I2C從控制接口

?ESD額定值:HBM為±7kV

3.應(yīng)用程序

?光纖網(wǎng)絡(luò)交換

?數(shù)字視頻(HDMI, DVI，顯示端口)

?數(shù)據(jù)存儲(chǔ)網(wǎng)絡(luò)

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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