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DS1306EN
+BOMIC RTC CLK/CALENDAR SPI 20TSSOP
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Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp
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Ông. Phần #DS1306EN
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Có sẵn4962
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Obsolete |
| DigiKey Programmable | Not Verified |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger |
| Memory Size | 96B |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | SPI |
| Voltage - Supply | 2V ~ 5.5V |
| Voltage - Supply, Battery | 2V ~ 5.5V |
| Current - Timekeeping (Max) | 25.3µA ~ 81µA @ 2V ~ 5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| Base Product Number | DS1306 |
Tổng quan
Description
Key features include a low power consumption mode, I²C interface for easy integration with microcontrollers, and programmable alarms that can trigger interrupts. It also offers a programmable oscillator with a frequency of 32.768 kHz, which can be used for timekeeping accuracy.
The chip is particularly suited for applications in portable devices, data loggers, and smart appliances, where maintaining time and date is critical. Its compact size and efficiency make it a popular choice in the embedded systems domain.
Equivalent
Features
1. Timekeeping Accuracy: It provides accurate real-time clock functions with a precision of ±2 minutes per month.
2. Low Power Consumption: Operates on a low supply current, making it suitable for battery-powered devices.
3. Multiple Time Formats: Supports both 12-hour and 24-hour formats.
4. Alarm Functionality: Includes programmable alarms for time and date, allowing for various notification options.
5. Interruption Control: Features interrupt outputs that can trigger events in response to alarms.
6. Battery Backup: Maintains timekeeping during power loss using a backup battery.
7. Temperature Compensated: Offers stability over temperature variations, ensuring reliable performance in different environments.
8. Serial Interface: Utilizes a simple serial communication interface for easy integration with microcontrollers.
Overall, the DS1306EN is ideal for applications requiring precise timekeeping with minimal power usage, such as in consumer electronics and remote sensors.
Pinout
1. VCC - Power supply (2.0V to 5.5V)
2. GND - Ground reference
3. SCL - Serial clock input for I2C communication
4. SDA - Serial data input/output for I2C communication
5. OUT - Output pin for alarm or interrupt signals
6. RST - Reset pin
7. ALM1 & ALM2 - Alarm output pins
8. INT - Interrupt request output
9. T_OUT - Temperature output
10. V_BAT - Battery backup input
Other pins are used for various control and configuration functions, including oscillator and timing settings. The DS1306EN is widely used in applications requiring accurate timekeeping, such as in embedded systems and digital clocks.
Manufacturer
Application
1. Consumer Electronics: Digital watches, alarms, and timers.
2. Industrial Equipment: Time-stamped data logging, scheduling of maintenance tasks.
3. Telecommunications: Network equipment synchronization and time-stamping.
4. Automotive Systems: Tracking system performance and scheduled maintenance.
5. Healthcare Devices: Patient monitoring systems and medical equipment timekeeping.
6. Smart Home Devices: Scheduling features in smart appliances and lighting systems.
The DS1306EN provides accurate timekeeping with minimal power consumption, making it suitable for battery-operated devices.