STMICROELECTRONICS
芯片, 实时时钟/日历, 二进制, SOIC-8
芯片, 实时时钟, I2C, 56B NVRAM, 8-SO, 卷装
芯片, 实时时钟, I2C, 带警报, 8-SO, 卷装
MICRO CRYSTAL
芯片, 实时时钟, SMD, SPI, 32.768KHz
RTC IC, Date Time Format (Date/Month/Year hh:mm:ss), I2C, 1.2 V to 5.5 V, SON-10