
TEXAS INSTRUMENTS
芯片, 实时时钟, 串口, 8SOIC

INTERSIL
芯片, 实时时钟, 低功率, 可电池备份, SRAM, 8SOIC

STMICROELECTRONICS
芯片, 非易失性存储器 10年内部电池供电 16K

STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K

STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 16K

STMICROELECTRONICS
芯片, 非易失性存储器 10年内部电池供电 64K

STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K

MAXIM INTEGRATED PRODUCTS
芯片, 实时时钟, 事件记录仪, 16位 ETC, 8SOIC

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

STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 256K

STMICROELECTRONICS
芯片, SRAM, 实时时钟, 非易失性, 256K

STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 16K

TEXAS INSTRUMENTS
REAL TIME CLOCK, YY-MM-DD, TSSOP-28

STMICROELECTRONICS
芯片, SRAM, 实时时钟, 非易失性, 64K

TEXAS INSTRUMENTS
芯片, 实时时钟, 串口, 8SOIC