V3021

Ultra Low Power 1-Bit 32 kHz RTC

 

 

Features 

Supply current typically 800 nA at 3V 

50 ns access time with 50 pF load capacitance 

Fully operational from 2.0V 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 

Packages DIP8 and SO8 

 

 

 

 

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