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请问DM368的视频输入端可以直接连接TVP5146输出信号吗?

Other Parts Discussed in Thread: TVP5146

看DM368 EVM的开发板上视频芯片TVP5146的输出与DM368的视频输入端有一个SN74xx多路选择的芯片,
这个片子是TTL电平兼容的;直接连接的话是否可以,要考虑电平以及阻抗的问题吗?