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DS3231M+TRL
+NomenclatureIC RTC CLK/CALENDAR I2C 16-SOIC
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #DS3231M+TRL
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Package SOIC-16
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En stock6242
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 2.3V ~ 5.5V |
| Voltage-SupplyBattery | 2.3V ~ 5.5V |
| Current-Timekeeping(Max) | 130µA ~ 200µA @ 3.63V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
Présentation
Description
Key features include I2C interface communication, which simplifies integration with microcontrollers, and two programmable time-of-day alarms for versatile scheduling. The module also includes a 32.768 kHz output pin, and temperature readings that are accessible via the interface. This allows for additional data collection, like temperature logging, enhancing its utility beyond simple timekeeping.
The DS3231M+TRL’s compact size and low power requirements make it ideal for consumer electronics, industrial systems, and any applications where accurate timekeeping is critical. Its reliability and ease of use make it a popular choice for both hobbyists and professional engineers.
Equivalent
1. DS3231: Similar to the DS3231M but with a different crystal.
2. DS3232: Adds SRAM and alarm features.
3. MCP79410: Microchip's RTC with EEPROM and battery switchover.
4. PCF8523: NXP's RTC with low power consumption.
5. RV3028: A high-accuracy RTC from Micro Crystal.
These alternatives may have varying specifications, so review datasheets for compatibility.
Features
1. Temperature-Compensated Crystal Oscillator (TCXO): Provides high accuracy in timekeeping over the operating temperature range.
2. I2C Interface: Supports communication with microcontrollers via a two-wire I2C interface.
3. Battery Backup: Ensures continuous timekeeping even when the main power supply is interrupted.
4. Low Power Consumption: Designed for minimal power usage, making it suitable for battery-operated devices.
5. Clock and Calendar Functions: Provides time and calendar information, complete with seconds, minutes, hours, day, date, month, and year data.
6. Alarm Functionality: Includes programmable alarms for scheduling tasks or triggering events.
7. 32kHz Output: Offers a stable clock signal for other components.
8. Digital Temperature Sensor: Provides temperature readings for system monitoring and compensation.
9. Compact Package: Available in a small form factor suitable for space-constrained applications.
Overall, the DS3231M+TRL is ideal for applications requiring precise timekeeping with minimal power consumption.
Pinout
1. VCC (Pin 1): Power supply pin.
2. GND (Pin 2): Ground pin.
3. SDA (Pin 3): Serial data line for I2C communication.
4. SCL (Pin 4): Serial clock line for I2C communication.
5. RST (Pin 5): Reset input. This pin can be used to reset the I2C interface.
6. 32kHz (Pin 6): 32kHz output. Provides a stable frequency for various timing applications.
7. INT/SQW (Pin 7): Interrupt or square-wave output. It can be configured to generate a square wave or interrupt signals.
8. VBAT (Pin 8): Battery supply pin for providing backup power to the RTC when the main power is off.
The DS3231M+TRL is designed for timekeeping applications and includes features like a temperature-compensated crystal oscillator (TCXO) for enhanced accuracy.
Manufacturer
Application
1. Consumer Electronics: For maintaining accurate time in devices like smart appliances and home automation systems.
2. Industrial Automation: Used in systems where synchronized operations are critical.
3. Telecommunications: Ensures accurate time-stamping and synchronization in network equipment.
4. Computing: Provides timekeeping in computers and servers for logging and scheduling tasks.
5. Wearable Devices: Offers precise time tracking in watches and fitness trackers.
6. Embedded Systems: Used in microcontroller-based projects requiring reliable timekeeping under varying temperatures.