
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