Ultra Low Power 1-Bit 32 kHz RTC
- Supply current typically 390 nA at 3V
- 50 ns access time with 50 pF load capacitance
- Fully operational from 1.2V to 5.5V
- No busy states or danger of a clock update while accessing
- Serial communication on one line of a standard parallel data bus or over a conventional 3 wire serial interface
- Interface compatible with both Intel and Motorola
- Seconds, minutes, hours, day of month, month, year, week day and week number in BCD format
- Leap year and week number correction
- Time set lock mode to prevent unauthorized setting of the current time or date
- Oscillator stability 0.3 ppm / volt
- No external capacitor needed
- Frequency measurement and test modes
- Temperature range: -40°C to +85°C
- On request extended temperature range, -40°C to +125°C
- Pin compatible with the V3021
- Maximum voltage at VDD VDDmax VSS + 7.0V
- Minimun voltage at VDD VDDmin VSS – 0.3V
- Maximum voltage at any signal pin Vmax VDD + 0.3V
- Minimum voltage at any signal pin Vmin VSS – 0.3V
- Logic supply voltage VDD 1.2 to 5.5 V
data sheet:
V3020.pdf
