STMICROELECTRONICS
芯片, 实时时钟 带报警功能 I2C
EPSON
芯片, 实时时钟 I2C总线接口
ABRACON
芯片, 实时时钟, RC/晶振模式, 256B RAM, VBAT, 16QFN
ABRACON
芯片, 实时时钟, RC/晶振模式, 256B RAM, 16QFN
EPSON
芯片, 实时时钟 I2C总线接口
EPSON
芯片, 实时时钟, 14SOIC
STMICROELECTRONICS
芯片, 非易失性存储器 10年内部电池供电 16K
EPSON
芯片, 实时时钟
MAXIM INTEGRATED PRODUCTS
RTC, SERIAL ALARM, LOW POWER, 1337
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K
MICRO CRYSTAL
芯片, 实时时钟, SMD, SPI, 32.768KHz
MICROCHIP
芯片, 实时时钟, I2C, 64字节 SRAM, 8PDIP
EPSON
芯片, 实时时钟 高稳定性 串行口
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 16K
INTERSIL
芯片, 实时时钟
STMICROELECTRONICS
芯片, 非易失性存储器 10年内部电池供电 64K
MAXIM INTEGRATED PRODUCTS
芯片, 收发器, RS485, 20KBPS, 5V, 14DIP
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K
STMICROELECTRONICS
芯片, 非易失性存储器, TIMEKEEPER?, 3V, 256K
STMICROELECTRONICS
芯片, 非易失性存储器, TIMEKEEPER?, 5V, 64K
MICRO CRYSTAL
芯片, 实时时钟, SMD, I?C, 32.768KHz
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 256K
MAXIM INTEGRATED PRODUCTS
RTC, 96BYTE, NVRAM, SPI / 3WIRE, 16DIP
STMICROELECTRONICS
芯片, SRAM, 实时时钟, 非易失性, 256K
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 16K