STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K
STMICROELECTRONICS
芯片, 非易失性存储器 10年内部电池供电 64K
MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Multiplexed, 4.5 V to 5.5 V, PLCC-28
MAXIM INTEGRATED PRODUCTS
实时时钟芯片, 时期时间格式 (星期/日/月/年 时:分:秒:百秒), 并行, 4.5V至5.5V, EDIP-28
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
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 256K
STMICROELECTRONICS
芯片, SRAM, 实时时钟, 非易失性, 256K
MAXIM INTEGRATED PRODUCTS
实时时钟芯片, 时期时间格式 (星期/日/月/年 时:分:秒:百秒), 并行, 4.5V至5.5V, EDIP-28
MAXIM INTEGRATED PRODUCTS
实时时钟芯片, 时期时间格式 (星期/日/月/年/世纪 时:分:秒), 字节宽, 3V至3.6V, EDIP-28
MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Multiplexed, 4.5 V to 5.5 V, PLCC-28
MAXIM INTEGRATED PRODUCTS
RTC IC, Date Time Format (Day/Date/Month/Year/Century hh:mm:ss), Bytewide, 4.5 V to 5.5 V, WSOIC-28
MAXIM INTEGRATED PRODUCTS
芯片, 实时时钟
MAXIM INTEGRATED PRODUCTS
RTC IC, Date Time Format (Day/Date/Month/Year/Century hh:mm:ss), Bytewide, 4.5 V to 5.5 V, WSOIC-28
TEXAS INSTRUMENTS
REAL TIME CLOCK-RTC, BCD, 32 X 8, LCC-28
MAXIM INTEGRATED PRODUCTS
芯片, 实时时钟
MAXIM INTEGRATED PRODUCTS
实时时钟, 时钟芯片, 计时器系列存储器, NVSRAM, BYTEWIDE, 2.97 V至3.63 V, EDIP-28
TEXAS INSTRUMENTS
REAL TIME CLOCK, YY-MM-DD, TSSOP-28
MAXIM INTEGRATED PRODUCTS
实时时钟, 时钟芯片, 计时器系列存储器, NVSRAM, BYTEWIDE, 4.5 V至5.5 V, EDIP-28
MAXIM INTEGRATED PRODUCTS
实时时钟, 时钟芯片, 计时器系列存储器, NVSRAM, BYTEWIDE, 4.5 V至5.5 V, EDIP-28
MAXIM INTEGRATED PRODUCTS
实时时钟芯片, 时期时间格式 (星期/日/月/年/世纪 时:分:秒), 字节宽, 4.5V至5.5V, EDIP-28
MAXIM INTEGRATED PRODUCTS
实时时钟, 时钟芯片, 计时器系列存储器, NVSRAM, BYTEWIDE, 2.97 V至3.63 V, EDIP-28
TEXAS INSTRUMENTS
芯片, 实时时钟, 非易失性, CMOS, DIP
STMICROELECTRONICS
芯片, SRAM, 实时时钟, 非易失性, 64K