图片仅供参考,请以实物为准 AT27C040-90PU 生产厂商: Atmel 产品描述: EPROM OTP 4M-Bit 512K x 8 90ns 32-Pin PDIP 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 Package 32PDIP Density 4 Mb Organization 512Kx8 Operating Supply Voltage 5 V Maximum Random Access Time 90 ns In System Programmability External Reprogramming Technique OTP Operating Temperature -40 to 85 °C 同系列产品