DS1307+

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DS1307+

IC RTC CLOCK/CALENDAR I2C 8DIP

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Thông số kỹ thuật

Part Status Active
Base Product Number DS1307
DigiKey Programmable Not Verified
Type Clock/Calendar
Features Leap Year, NVSRAM, Square Wave Output
Memory Size 56B
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Interface I2C, 2-Wire Serial
Voltage - Supply 4.5V ~ 5.5V
Voltage - Supply, Battery 2V ~ 3.5V
Current - Timekeeping (Max) 200µA @ 5V
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Package 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Packaging Tube

Tổng quan

Description

The DS1307 is a real-time clock (RTC) integrated circuit designed for keeping accurate time and date. It operates over I2C (Inter-Integrated Circuit) protocol, allowing it to be easily interfaced with microcontrollers like Arduino and Raspberry Pi.
Key features of the DS1307 include:
1. Timekeeping: It tracks time in hours, minutes, seconds, along with date, month, and year.
2. Battery Backup: The device includes a battery backup feature, allowing it to maintain time even when the main power supply is cut.
3. 1Hz Output: It provides a 1Hz output signal for clock applications.
4. Temperature Compensation: The DS1307 is capable of temperature compensation to maintain accurate time across varying temperatures.
5. Low Power Consumption: It operates at a low power level, making it suitable for battery-powered projects.
The DS1307 is widely used in various applications such as clocks, data loggers, and any projects requiring timekeeping functionality.

Features

The DS1307 is a real-time clock (RTC) integrated circuit, designed for timekeeping applications. Key features include:
1. Timekeeping: Maintains accurate time (seconds, minutes, hours, day, date, month, and year) with a 2-wire I2C interface.
2. Crystal Oscillator: Utilizes a 32.768 kHz quartz crystal for precise timekeeping.
3. Battery Backup: Supports a backup battery, allowing operation during power outages.
4. Low Power Consumption: Consumes minimal power, suitable for battery-powered applications.
5. Temperature Compensation: Offers improved accuracy across temperature variations.
6. Leap Year Handling: Automatically adjusts for leap years.
7. Alarm Functionality: Contains alarm and square wave output capabilities.
8. Programmable Square Wave Output: Can generate square wave signals at various frequencies.
9. I2C Compatibility: Easy integration with microcontrollers via I2C communication.
These features make the DS1307 ideal for embedded systems requiring real-time clock functionality.

Package

The DS1307+ typically comes in an 8-pin DIP (Dual In-line Package) format, but it is also available in SOIC (Small Outline Integrated Circuit) and TSSOP (Thin Shrink Small Outline Package) types. These package types are suitable for various applications in electronic circuit designs.

Pinout

The DS1307+ is a real-time clock (RTC) IC with a total of 8 pins.
Here are the pin functions:
1. VCC: Power supply (typically +5V).
2. GND: Ground.
3. SCL: Serial Clock input for I2C communication.
4. SDA: Serial Data input/output for I2C communication.
5. SQW/INT: Square Wave output or interrupt output that can signal alarms.
6. 32K: Outputs a 32.768 kHz clock signal (optional use).
7. BAT: Battery input for backup power to maintain time during power loss.
8. VOUT: Output voltage; provides a regulated output for powering low-power circuits.
The DS1307+ is widely used for timekeeping applications in embedded systems due to its I2C interface and battery backup capability.

Manufacturer

The DS1307+ is manufactured by Maxim Integrated, a company that specializes in designing and manufacturing analog and mixed-signal semiconductors. Maxim Integrated produces a wide range of products, including microcontrollers, sensors, power management devices, and real-time clocks like the DS1307+. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global manufacturer of high-performance analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices focuses on providing solutions for various industries, including automotive, communications, industrial, and consumer electronics.

Application

The DS1307+ is a real-time clock (RTC) integrated circuit used in various applications, including:
1. Embedded Systems: For timekeeping in microcontroller projects.
2. Data Loggers: Timestamping data in environmental monitoring.
3. Consumer Electronics: Clocks in appliances and gadgets.
4. Industrial Automation: Scheduling and time-based control systems.
5. Communication Devices: Synchronizing events in networking equipment.
6. Home Automation: Managing timers and schedules for smart devices.
Its low power consumption and I2C interface make it ideal for battery-powered applications.

Equivalent

Equivalent products to the DS1307+ chip include the DS1307, MCP7940N, and PCF8563. These RTC (Real-Time Clock) chips offer similar functionalities for timekeeping applications, with variations in features like battery backup, I2C communication, and additional memory options. Always verify specific requirements for compatibility and additional functionalities needed for your application.

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