AB-RTCMC-32.768KHZ-AIGZ-S7-T

AB-RTCMC-32.768KHz-AIGZ-S7-T is a real time clock module with I²C bus. It features accurate programmable watchdog from 62.5ms to 31min timeout. It has a software clock calibration to compensate deviation of crystal due to temperature. It is used in applications such as wide range in communication and measuring equipment, commercial and industrial applications, automotive electronics applications, wireless communications, PDA and palm pilots, credit cards with security technology.

• RTC module with built-in crystal oscillating at 32.768KHz, 350nA timekeeping current at 3V
• Timekeeping down to 1V, I²C bus operating voltage range from 1.3V to 4.4V
• Low operating current of 35μA at 400KHz
• Automatic leap year compensation, 400KHz I²C serial interface
• Load capacitance is 50pF maximum, input rise and fall time is 5ns maximum
• Frequency accuracy is +20ppm maximum, power dissipation is 1W maximum
• 7pF maximum input capacitance, 10pF maximum output capacitance
• Operating temperature range from -40°C to +85°C
• Package style is 8-pin ceramic leadless chip carrier
• Oscillator stop detection circuit monitors clock operation