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应用功能: 模/数转换器,A/D转换器 are CMOS 8-bit successive approximation A/D converters that use a differential potentiometric ladderÐ similar to the 256R products. These converters are designed to allow operation with the NSC800 and INS8080A derivative control bus with TRI-STATEÉ output latches directly driving the data bus. These A/Ds appear like memory locations or I/O ports to the microprocessor and no interfacing logic is needed.