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
MAXIM INTEGRATED PRODUCTS
RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 4.5 V to 5.5 V, DIP-8
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 64K
MICROCHIP
芯片, 实时时钟, I2C, 64字节 SRAM, 8PDIP
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 16K
MICROCHIP
芯片, 实时时钟/日历, GP I2C, 64B SRAM, 8PDIP
MAXIM INTEGRATED PRODUCTS
RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Serial, 2 V to 5.5 V, DIP-8
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
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), SPI, 2 V to 5.5 V, DIP-16
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
MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Day/Date/Month/Year/Century hh:mm:ss, Multiplexed, 4.5 V to 5.5 V, DIP-24
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
MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Multiplexed, 4.5 V to 5.5 V, DIP-24
MAXIM INTEGRATED PRODUCTS
RTC IC, Date Time Format (Binary), I2C, 2.97 V to 3.63 V, DIP-8
MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), SPI, 2 V to 5.5 V, DIP-16
MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Multiplexed, 4.5 V to 5.5 V, DIP-24
STMICROELECTRONICS
芯片, SRAM, TIMEKEEPER? 16K