ST8190
Low power consumption: 0.4μA typical (VDD=3.0V,Ta=25°℃).
Operating voltage: 1.5V~5.5V; Clock voltage:1.2V~5.5V.
Operating temperature:-40C~+105C.
ROHS Recognized
Standard IIC bus interface, maximum speed 400KHz(4.5V~5.5V).
Chip pin ESD>4KV
CMOS Process
Package Form:SOP8/TSSOP8.
Model :
ST8190REAL TIME CLOCK IC(External Crystal Oscillator) ST8190
Standard IIC interface
Digital Calibration Function
Pass 4 kV EFT Interference Test
Dual Built-in Time Alarm Registers
Built-in IIC bus 0.5 seconds automatic reset function.
Built-in 7-byte alarm registers for day,week,hour and minute.
Built-in clock data write-protection function
Built-in power-on reset circuit


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