图片仅供参考,请以实物为准 M74HC393TTR 生产厂商: STMicroelectronics 产品描述: Counter/Divider Dual 4-Bit Binary UP 14-Pin TSSOP T/R 标准包装 Cut Tape 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 Direction Type Uni-Directional Number of Element Inputs 1 Package 14TSSOP Logic Function Counter/Divider Operating Temperature -55 to 125 °C Logic Family HC Typical Operating Supply Voltage 2.5|3.3|5 V Operation Mode UP Counter Number of Elements per Chip 2 Type Binary 同系列产品