DS3231SN Real Time Clock IC
DS3231SN Real Time Clock IC
High-Accuracy RTC IC with Integrated MEMS Resonator – Advanced Real-Time Clock Solution
This high-precision Real-Time Clock (RTC) IC with integrated MEMS resonator is a compact and reliable timekeeping solution designed for embedded systems, IoT devices, industrial automation, data loggers, and battery-backed electronics. Featuring complete clock/calendar functionality, integrated temperature sensing, dual alarms, battery backup support, and high timekeeping accuracy, the device provides stable and maintenance-free real-time operation without requiring an external crystal.
Why it’s a System Essential:
• Integrated MEMS Resonator: Eliminates the need for an external crystal while improving reliability and reducing PCB space.
• High Timekeeping Accuracy: Maintains ±5ppm accuracy (approximately ±0.432 second/day) across a wide temperature range.
• Complete RTC Functionality: Tracks seconds, minutes, hours, day, date, month, and year with leap-year compensation up to 2100.
• DS3231 Compatible: Footprint and functionality compatible with popular DS3231 RTC modules.
• Dual Alarm Support: Two programmable time-of-day alarms for scheduling and event triggering.
• Integrated Temperature Sensor: Digital temperature measurement with ±3°C accuracy.
• Battery Backup Support: Maintains continuous timekeeping during power interruptions.
Technical Specifications:
• Device Type: High-Accuracy RTC IC
• Integrated MEMS Resonator
• Supply Voltage Range: +2.3V to +5.5V
• Communication Interface: Fast I2C (400kHz)
Timekeeping Features:
• Complete Clock & Calendar Functionality
• Leap-Year Compensation Up to Year 2100
• Accuracy: ±5ppm (±0.432 Second/Day)
• Operating Temperature Accuracy Range: -45°C to +85°C
Alarm & Output Features:
• Two Time-of-Day Alarms
• 1Hz Output
• 32.768kHz Output
Reset & Input Features:
• Reset Output
• Pushbutton Input with Debounce
Temperature Sensor:
• Integrated Digital Temperature Sensor
• Accuracy: ±3°C
Power Features:
• Battery-Backup Input
• Low-Power Battery Backup Operation
Environmental Specifications:
• Operating Temperature Range: -40°C to +85°C
Package Options:
• 8-Pin SO Package
• 16-Pin SO Package
Features:
• Highly accurate RTC operation
• Integrated MEMS timing resonator
• Battery-backed timekeeping
• Dual programmable alarms
• Built-in temperature sensing
• Fast I2C communication support
Applications:
• Embedded systems
• Data logging equipment
• IoT and smart devices
• Industrial automation systems
• Battery-backed electronics
• Smart metering systems
• Timing and scheduling applications
• Consumer electronics
• Educational and DIY embedded projects
Best For:
Ideal for students, hobbyists, makers, engineers, and embedded developers working on precision RTC systems, IoT devices, industrial automation, battery-backed electronics, scheduling systems, and advanced embedded applications requiring highly accurate real-time clock functionality with integrated MEMS timing technology.
Specifications
Shipping & Returns
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