图片仅供参考,请以实物为准 AT28HC256F-90TU 生产厂商: Atmel 产品描述: EEPROM Parallel 256K-Bit 32K x 8 5V 28-Pin TSOP-I 标准包装 Trays 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 Data Retention 10 Year Hardware Data Protection Yes Density 256 Kb Package 28TSOP-I Typical Operating Supply Voltage 5 V Operating Temperature -40 to 85 °C Interface Type Parallel Maximum Random Access Time 90 ns Organization 32Kx8 同系列产品