M41T93ZQA6F

Name: M41T93ZQA6F
Brand: STMicroelectronics
SKU: M41T93ZQA6F
Price: 3.8 USD
Availability: InStock

Serial SPI bus real-time clock (RTC) with battery switchover
Learn More about M41T93ZQA6F

In stock

$3.80

Key features
Ultra-low battery supply current of 365 nA Factory calibrated accuracy ±5 ppm typical after 2 reflows (SOX18) (much better accuracies are achievable using built-in programmable analog and digital calibration circuits) 2.0 V to 5.5 V clock operating voltage Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century Automatic switchover and reset output circuitry (fixed reference): M41T93S: V_CC= 3.0 V to 5.5 V; M41T93R: V_CC= 2.7 V to 5.5 V; M41T93Z: V_CC= 2.38 V to 5.50 V Compatible with SPI bus serial interface (supports SPI mode 0 [CPOL = 0, CPHA = 0]) Programmable alarm with interrupt function (valid even during battery backup mode) Optional 2^ndprogrammable alarm available Square wave output (defaults to 32 KHz on power-up) RESET (RST) output Watchdog timer Programmable 8-bit counter/timer 7 bytes of battery-backed user SRAM Battery low flag Low operating current of 80 μA Oscillator stop detection Battery or supercapacitor backup Operating temperature of –40 °C to +85 °C Package options include a 16-lead QFN and an 18-lead embedded crystal SOIC

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