ST8840
Low power consumption:0.6μA typical (VDD =3.0V,Ta=25°C).
Operating voltage: 1.8V~5.5V;Timekeeping: 1.5V~5.5V.
Operating temperature: Automotive Grade:-40C~+125°C;
Industrial Grade:-40℃~+85C
SPI interface, maximum speed 4Mbit/s.
Chip pin ESD>4KV
Passed AEC-Q100 Certification
CMOS Process
Package Form:3225 (3.2mmx2.5mmx0.75mm)
Model :
ST8840REAL TIME CLOCKIC(Built-in Crystal Oscillator) ST8840
Built-in 20-byte general-purpose SRAM
high precision timing function in a wide temperature range:
Automotive Grade: -40℃~+85C<5ppm;+86℃~+105℃<10ppm;
+106℃~+125C<20ppm;
Industrial Grade:25°C<5ppm;-40℃~+85°C<20ppm.
Built-in 1/1024 second register
Built-in communication verification function
Built-in clock data write-protection function


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