Performances

• Factory Calibrated Temperature Compensation:
  • -40 to +105 °C
• High Time-Accuracy:
  • ±1.5 ppm (0 to +50°C)
  • ± 2.5 ppm (-40 to +85°C)
  • ±20 ppm (+85 to +105°C)
• Ultra-Low Power Consumption:
  • 160 nA @ 3 V & 25 °C
• Wide Timekeeping Voltage Range:
  • 1.3 V to 5.5 V

Power Management

• Automatic Backup Switchover with Interrupt Function
• Trickle Charger with versatile Charge Pump allowing:
  • VBACK ≥ VDD
  • Use of 1.75 V TDK CeraCharge™
• Supply Voltage Drop Detection (1.3 V) with Interrupt

Tamper Detection / Fraud Protection

• Timestamped External Event Input Detection with Interrupt
• Programmable Password Protection against Hacking
• Configuration EEPROM

Temperature Monitoring

• 12-bit Temperature Sensor:
  • Accuracy: ± 1°C typ.
  • Resolution: (0.0625°C/step)
• Timestamped & Programmable Temperature Window Detection with Interrupt

Standard Interrupt

• Internal Power-On Reset
• Periodic Countdown Timer
• Periodic Time Update (seconds, minutes)
• Alarm for date, hour and minute

Time & Frequency Functions

• 100th seconds, seconds, minutes, hours, date, month, year and weekday
• Automatic leap year correction
• Programmable EEPROM Ageing Compensation
• Programmable Clock Output for peripheral devices:
  • Crystal Mode:
    • 32.768 kHz, 1024 Hz, 64 Hz, 1 Hz
  • High-Frequency Clock mode:
    • 8192 Hz → 52 MHz with 8192 Hz steps and guaranteed output signal integrity

Memory Size

• 16 Bytes of User RAM
• 32 Bytes of User EEPROM

Communication Interface

• I²C-bus interface 400 kHz

Reliability / Certification

• 100%-Pb-free, RoHS-compliant
• Automotive Qualification according to AEC-Q200 available

RV-3032-C7 Datasheet