实时时钟

PartNumber VSUPPLY (V) Time Keeping Current (nA) CL (pF) Memory Type Interface Functions Operating temperature range (℃) Package
CBM555 2V ~ 15V 360µA - 555 Type, Timer/Oscillator (Single) - - -40℃ + 125℃ SOP-8
CBM1307 5 300 12.5 NV SRAM I2C RTC -45℃ + 85℃ SOP-8