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DS1302ZN
+BOMIC RTC CLK/CALENDAR SER 8SOIC
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Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp
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Ông. Phần #DS1302ZN
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Có sẵn7217
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| PartStatus | Obsolete |
| 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 (0.154", 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
| BaseProductNumber | DS1302 |
Tổng quan
Description
Key features include:
1. Timekeeping: Tracks seconds, minutes, hours, day, month, and year, including leap year adjustments.
2. Low Power Consumption: Operates in low-power modes, extending battery life.
3. Built-in RAM: Offers 31 bytes of RAM for storing user data.
4. Programmable Output: Provides a square wave output for clock signals.
5. Power Backup: Maintains timekeeping even when the main power supply is lost, thanks to a connected backup battery.
With its compact design and ease of use, the DS1302ZN is popular in applications like automotive clocks, computers, and other devices requiring precise timekeeping.
Equivalent
Features
1. Timekeeping Functionality: Maintains accurate time and date, including seconds, minutes, hours, day, month, and year, with leap year compensation.
2. Battery Backup: Operates on a backup battery, ensuring timekeeping even when the main power supply is disconnected.
3. Low Power Consumption: Consumes minimal power in both active and standby modes, making it suitable for battery-operated devices.
4. Simple Serial Interface: Communicates via a three-wire serial interface (MOSI, MISO, SCK) for easy integration with microcontrollers.
5. Programmable Square Wave Output: Offers a configurable square wave output (1Hz, 4kHz, 8kHz, 32kHz) for various applications.
6. Integrated RAM: Contains 31 bytes of RAM for temporary data storage.
7. Wide Operating Voltage Range: Operates from 2.0V to 5.5V, providing flexibility in different electronic designs.
These features make the DS1302ZN suitable for various consumer and industrial applications requiring accurate timekeeping.
Pinout
1. VCC (Pin 1): Power supply input (typically +2.0V to +5.5V).
2. GND (Pin 2): Ground reference.
3. SCLK (Pin 3): Serial clock input, used to synchronize data transmission.
4. IO (Pin 4): Bidirectional data input/output for serial communication.
5. CE (Pin 5): Chip enable input, activates the chip for communication.
6. RST (Pin 6): Reset input, used to reset the chip.
7. OUT (Pin 7): Output signal, can be used for a square wave or alarm function.
8. VBACKUP (Pin 8): Backup power input, connects to a battery for maintaining time during power loss.
The DS1302ZN is designed for low power consumption and is widely used in various timing applications.
Manufacturer
Maxim Integrated is known for its innovative solutions in power management, signal processing, and interface products. The DS1302 is a real-time clock (RTC) IC designed for battery-powered systems, providing timekeeping functions along with an integrated oscillator and a battery backup feature.
In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its portfolio and capabilities in the semiconductor industry.
Application
1. Timekeeping: Maintaining accurate time and date for devices.
2. Embedded Systems: Used in microcontroller projects for time tracking.
3. Consumer Electronics: Found in clocks, timers, and alarm systems.
4. Data Logging: Timestamping data in environmental monitoring and industrial applications.
5. Home Automation: Scheduling tasks and events in smart home devices.
6. Medical Devices: Time-stamping for patient monitoring systems.
The DS1302ZN's low power consumption makes it suitable for battery-operated applications.