EPSON
芯片, 实时时钟/日历, RX6110SA, I2C/SPI, SOP-14
芯片, 实时时钟/日历, RX8010SJ, I2C, SOP-8
芯片, 实时时钟/日历, RX8900CE UB, I2C, SMD
芯片, 实时时钟, 32.768KHZ, I2C, SMD
EXAR
芯片, 压控振荡器, 8PDIP