STMicroelectronics M41T63
Serial Access Real-Time Clock
| Part No. | M41T63 |
|---|---|
| Datasheet | M41T63 Download |
| Manufacturer |  STMicroelectronics |
| Description | Serial Access Real-Time Clock |
| Buy | Stock & Price |
M41T62, M41T63 M41T64, M41T65 Serial Access Real-Time Clock with Alarms Feature summary
● Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
● 32 KHz crystal oscillator integrating load capacitance and high crystal series resistance operation
● Oscillator stop detection monitors clock operation
● Serial interface supports I2C bus (400kHz)
● 350nA timekeeping current @ 3V
● Low operating current of 35µA (@400kHz)
● Timekeeping down to 1.0V
● 1.3V to 4.4V I2C bus operating voltage
● 32KHz square wave on power-up to drive a microcontroller in low power mode (M41T62/63/64)
● Programmable (1Hz to 32KHz) square wave (M41T63/64)
● Programmable alarm with interrupt function (M41T62/65)
● Accurate programmable watchdog (from 62.5ms to 31 min)
● Software clock calibration to compensate deviation of crystal due to temperature
● Automatic leap year compensation QFN16 (Q) 3mm x 3mm VSOJ20 (47.6mm2) GND Plane Guard Ring (21.5mm2) SMT CRYSTAL 1 XI 2 XO 3 4 ST QFN16 AI11107 32KHz crystal + QFN 16 vs.
● Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
● 32 KHz crystal oscillator integrating load capacitance and high crystal series resistance operation
● Oscillator stop detection monitors clock operation
● Serial interface supports I2C bus (400kHz)
● 350nA timekeeping current @ 3V
● Low operating current of 35µA (@400kHz)
● Timekeeping down to 1.0V
● 1.3V to 4.4V I2C bus operating voltage
● 32KHz square wave on power-up to drive a microcontroller in low power mode (M41T62/63/64)
● Programmable (1Hz to 32KHz) square wave (M41T63/64)
● Programmable alarm with interrupt function (M41T62/65)
● Accurate programmable watchdog (from 62.5ms to 31 min)
● Software clock calibration to compensate deviation of crystal due to temperature
● Automatic leap year compensation QFN16 (Q) 3mm x 3mm VSOJ20 (47.6mm2) GND Plane Guard Ring (21.5mm2) SMT CRYSTAL 1 XI 2 XO 3 4 ST QFN16 AI11107 32KHz crystal + QFN 16 vs.
