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DS1678S+
+BOMIC RTC EVENT REC I2C 8-SOIC
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ManufacturerAnalog Devices Inc./Maxim Integrated
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Mfr. Part #DS1678S+
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Datasheet DS1678S+ DataSheet
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Package 8-SOIC (0.209, 5.30mm Width)
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In Stock7163
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Specifications
| Attribute | Value |
| Supplier | Analog Devices Inc./Maxim Integrated |
| Package | Tube |
| ProductStatus | Obsolete |
| Type | Time Event Recorder |
| Features | Alarm, Leap Year, NVSRAM, Y2K |
| MemorySize | 32B |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 4.5V ~ 5.5V |
| Voltage-SupplyBattery | 2.6V ~ 3.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.209, 5.30mm Width) |
Overview
Description
The DS1678S+ operates with low power consumption and can maintain time even during power failures due to its battery-backed design. It supports standard timekeeping functions including seconds, minutes, hours, day, date, month, and year, with automatic leap year compensation. The device communicates via a standard I2C interface, making it easy to integrate into various systems.
In summary, the DS1678S+ is a versatile RTC module designed for accuracy and reliability in maintaining time and storing critical data across a wide range of applications. Its ease of integration and robust feature set make it a popular choice for developers and engineers.
Equivalent
1. Maxim Integrated DS3231: Precision RTC with TCXO.
2. NXP PCF8523: Low-power RTC with watchdog.
3. Microchip MCP7940N: RTC with battery-backed SRAM and EEPROM.
4. Epson RX-8025SA: High-accuracy RTC with alarm functions.
Consider differences in features like interface, accuracy, and power consumption when selecting equivalents.
Features
1. Real-Time Clock (RTC): Provides accurate time and date tracking, including leap year compensation up to 2100.
2. Time Stamping: Offers secure time stamp functionality, ideal for applications needing reliable logging.
3. Battery-Backed SRAM: Ensures data retention during power failures, maintaining timekeeping without external power.
4. Non-Volatile Memory: Incorporates non-volatile memory to store critical data securely.
5. Secure Authentication: Enhanced security features to prevent unauthorized access and tampering.
6. Temperature Compensation: Built-in temperature compensation ensures accuracy across different environmental conditions.
7. Low Power Consumption: Designed for energy efficiency, prolonging battery life.
8. Interface Options: Provides standard communication interfaces for easy integration into various systems.
9. Compact Design: Small form factor, suitable for space-constrained applications.
10. Wide Operating Range: Supports a broad range of operating voltages and temperatures.
These features make the DS1678S+ suitable for applications in secure logging, time-sensitive data collection, and systems requiring reliable time and date management.
Pinout
Here is a brief overview of the pin functions:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. RST: Reset pin used for controlling the device and initiating communication.
4. SDA (Serial Data): Used for data input and output in I2C communication.
5. SCL (Serial Clock): Used as the clock line for I2C communication.
6. INT (Interrupt): Provides an interrupt signal for events.
7. VBAUX: Auxiliary battery input for backup power.
8. NC (No Connect): Pin that is not internally connected.
This configuration allows the DS1678S+ to efficiently log up to 255 events with time-stamping capability, making it suitable for applications requiring event tracking and analysis.
Manufacturer
Application
1. Logging Systems: Used in environmental monitoring and equipment diagnostics to record event timestamps.
2. Security Systems: Provides accurate time-stamping for access control and security breach events.
3. Industrial Automation: Monitors and logs operational events within automated systems.
4. Transportation: Records time-sensitive data in vehicles for tracking and compliance purposes.
5. Healthcare: Utilized in medical devices for tracking usage and maintenance events.
These applications benefit from the device's precision in timekeeping and event recording, enhancing data accuracy and operational efficiency.