
MAXIM INTEGRATED PRODUCTS
芯片, 实时时钟, 振荡器, TCXO, +/-2PPM, SPI, 20SOIC

MICROCHIP
芯片, 实时时钟/日历, GP I2C, 1KB EE 64B SRAM, ID 14SOIC

MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss:hh), SPI, 2.7 V to 3.3 V, μSOP-10

MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), SPI, 3 V to 5.5 V, TDFN-14

MICROCHIP
芯片, 实时时钟/日历, GP I2C, 1KB EE, 64B SRAM, 14SOIC

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

MICRO CRYSTAL
芯片, 实时时钟, SPI, RV-3049, 30PPM, 10SON

MAXIM INTEGRATED PRODUCTS
Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), SPI, 3 V to 5.5 V, TSSOP-20

ABRACON
芯片, 实时时钟, RC/晶振模式, 256B RAM, VBAT, 16QFN

NXP
芯片, 实时时钟/日历, SPI, TSSOP-14

NXP
芯片, 实时时钟/日历, SPI, HVQFN-16

NXP
芯片, 实时时钟

MICRO CRYSTAL
芯片, 实时时钟, SPI, RV-3049, 25PPM, 10SON

MICRO CRYSTAL
芯片, 实时时钟, SPI, RV-3049, 8PPM, 10SON