图片仅供参考,请以实物为准 MT8870DE1 生产厂商: Zarlink 产品描述: DTMF RX 3.58MHz CMOS 5V 18-Pin PDIP Tube 标准包装 Rail / Tube 满1000元免运费及包装费 参数 参数 数值 规格书 数据手册下载 Maximum Operating Supply Voltage 5.25 V Package 18PDIP Minimum Operating Supply Voltage 4.75 V Typical Operating Supply Voltage 5 V Operating Frequency 3.58 MHz Typical Supply Current 3 mA 同系列产品