HOLTEK
芯片, 实时时钟, TIMEKEEPER?
EPSON
芯片, 实时时钟
NXP
芯片, 实时时钟/日历
MICRO CRYSTAL
芯片, 实时时钟模块 SMD 32.768KHz
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 16K
STMICROELECTRONICS
芯片, SRAM, 实时时钟, 非易失性, 64K
ABRACON
芯片, 实时时钟, RC/晶振模式, 256B RAM, 16QFN
ABRACON
芯片, 实时时钟, RC/晶振模式, 256B RAM, VBAT, 16QFN
TEXAS INSTRUMENTS
芯片, 实时时钟, 5V
MAXIM INTEGRATED PRODUCTS
芯片, 实时时钟
INTERSIL
芯片, 实时时钟, 低功率, 8字节 SRAM
STMICROELECTRONICS
芯片, 实时时钟 带报警功能 I2C
NXP
芯片, 实时时钟/日历
NXP
芯片, 时钟/日历/SRAM
NXP
芯片, 实时时钟 , YY-MM-DD-dd, BCD码
EPSON
芯片, 实时时钟, 14SOIC
EPSON
芯片, 实时时钟 I2C总线接口
EPSON
芯片, 实时时钟 I2C总线接口
EPSON
芯片, 实时时钟 4位 串行接口
MICRO CRYSTAL
芯片, 实时时钟, SMD, I?C, 32.768KHz
MICRO CRYSTAL
芯片, 实时时钟, SMD, SPI, 32.768KHz