EPSON
芯片, 实时时钟/日历, RX8900CE UB, I2C, SMD
芯片, 实时时钟, 14SOIC
芯片, 实时时钟/日历, RX6110SA, I2C/SPI, SOP-14
芯片, 实时时钟 高稳定性 串行口