RTC-62421A、RTC-7301DG、RTC-62421B对比区别
型号 RTC-62421A RTC-7301DG RTC-62421B
描述 Real Time Clock (RTC) IC Clock/Calendar Parallel 18-DIP (0.300", 7.62mm)Real Time Clock Parallel 18Pin PDIPReal Time Clock (RTC) IC Clock/Calendar Parallel 18-DIP (0.300", 7.62mm)
数据手册 ---
制造商 Epson Electronics (爱普生) Epson Electronics (爱普生) Epson Electronics (爱普生)
分类 实时时钟芯片实时时钟芯片实时时钟芯片
安装方式 Through Hole Through Hole Through Hole
封装 DIP-18 DIP DIP-18
电源电压 4.5V ~ 5.5V 2.4.5.5 VDC 4.5V ~ 5.5V
频率 - 32768 Hz -
封装 DIP-18 DIP DIP-18
工作温度 -40℃ ~ 85℃ - -40℃ ~ 85℃
产品生命周期 Obsolete Unknown Obsolete
包装方式 Tube - Tube
RoHS标准 Non-Compliant RoHS Compliant Non-Compliant
含铅标准 Contains Lead Lead Free Contains Lead