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DS1302SN+T&R
+Lista de MateriaisIC RTC CLK/CALENDAR SER 8SOIC
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #DS1302SN+T&R
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Ficha Técnica DS1302SN+T&R DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| DigiKeyProgrammable | Not Verified |
| Type | Clock/Calendar |
| Features | Leap Year, NVSRAM, Trickle-Charger |
| MemorySize | 31B |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | 3-Wire Serial |
| Voltage-Supply | 2V ~ 5.5V |
| Voltage-Supply,Battery | 2V ~ 5.5V |
| Current-Timekeeping(Max) | 0.3µA ~ 1µA @ 2V ~ 5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.209", 5.30mm Width) |
| SupplierDevicePackage | 8-SOIC |
| BaseProductNumber | DS1302 |
Visão Geral
Description
Key features include:
- I2C Interface: Communicates with microcontrollers via a simple two-wire interface.
- Built-in Battery Backup: Maintains timekeeping during power loss.
- Programmable Square Wave Output: Can generate a square wave for timing applications.
- Low-power Consumption: Operates in low-power modes, ideal for energy-efficient designs.
Applications include portable devices, real-time data logging, and any system requiring accurate timekeeping in embedded designs. The DS1302SN+T&R is available in a small package, making it suitable for space-constrained applications.
Equivalent
Features
1. Timekeeping: It tracks time (hours, minutes, seconds) and date (day, month, year).
2. Low Power Consumption: Operates with low power draw, suitable for battery-operated devices.
3. Serial Interface: Communicates via a simple serial interface, allowing easy integration with microcontrollers.
4. High Accuracy: Provides accurate timekeeping with a built-in oscillator.
5. Battery Backup: Supports battery backup during power failures, maintaining time and date.
6. Programmable Alarm: Includes an alarm function for scheduling events.
7. Temperature Compensated: Offers temperature compensation for improved accuracy.
8. Easy to Use: Simple commands for setting and reading time/date values.
The DS1302SN+T&R is ideal for applications requiring precise timekeeping, such as in consumer electronics, industrial equipment, and embedded systems.
Pinout
1. VCC: Power supply pin (typically +5V).
2. GND: Ground pin.
3. SCLK: Serial clock input for clocking data in and out.
4. IO: Bidirectional data input/output pin for communication.
5. CE: Chip enable pin to activate the device for communication.
6. RST: Reset pin to reset the internal registers.
7. 32K: Square wave output, can be used for generating a clock signal.
8. VBAT: Battery input for backup power, allowing timekeeping during power loss.
The DS1302 maintains accurate time and date information and can be interfaced with microcontrollers using a simple serial protocol.
Manufacturer
The DS1302 is a real-time clock (RTC) IC that provides accurate timekeeping capabilities and is widely used in applications requiring timekeeping functionality. Maxim Integrated is known for its innovative solutions and high-quality semiconductor products, catering to a diverse range of markets and customers. With a commitment to technological advancement and customer satisfaction, the company has established itself as a key player in the semiconductor industry.
Application
1. Consumer Electronics: Used in digital clocks, watches, and home appliances to keep accurate time.
2. Computers: Maintains system time and date during power outages.
3. Embedded Systems: Provides time-stamping features in microcontroller projects.
4. Data Loggers: Records time-stamped data in environmental monitoring and industrial applications.
5. Alarm Systems: Used for scheduling alarms and events.
6. Remote Sensing: Keeps track of time in telemetry devices.
Its low power consumption and ease of interfacing make it suitable for battery-operated devices.