DS1307

30 INR

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Product Details:

Power Source Main supply or battery backup
Power Supply External (Battery backup supported)
Resolution 1 second
Operating Temperature -0C to +70C
Interface I2C-compatible
Usage Timekeeping in embedded systems
Components On-chip oscillator, calendar clock, RAM
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Product Details
Product Description

DS1307 Price And Quantity

Minimum Order Quantity 50 Piece
Price 30 INR

DS1307 Product Specifications

Power Source Main supply or battery backup
Dimension (L*W*H) Approx. 9.8mm x 6.4mm x 3.5mm
Supply Voltage 4.5V to 5.5V DC
Power Supply External (Battery backup supported)
Weight Approximately 1g
Rated Voltage 5V DC
Frequency 32.768 kHz (external crystal)
Thickness Standard 8-pin DIP/SOIC
Color Black (IC package)
Resolution 1 second
Operating Temperature -0C to +70C
Interface I2C-compatible
Usage Timekeeping in embedded systems
Function Real Time Clock (RTC) IC
Product Type Clock/Calendar IC
Components On-chip oscillator, calendar clock, RAM
Output Seconds, Minutes, Hours, Day, Date, Month, Year (BCD format)
Size Standard 8-pin DIP/SOIC package
Application Consumer, industrial, instrumentation applications
Features Non-volatile clock/calendar, 56 bytes NV SRAM, battery backup, low power
Input I2C Serial Interface
Current Rating 1.5mA (typical) operating, <500nA in battery backup

Product Description

Specification

Base Part Number	DS1307
Type	Clock/Calendar
Mounting Type	Surface Mount
Voltage Supply Battery	2 V ~ 3.5 V
Time Format	HHMMSS (12/24 hr)
Supply Voltage	4.5 V ~ 5.5 V
Supplier Device Package	8-SOIC
Part Status	Active
Packaging	Tube
Package Case	8-SOIC (0.154", 3.90mm Width)
Operating Temperature	0 deg C ~ 70 deg C
Memory Size	56B
Interface	I2C, 2-Wire Serial
Features	Leap Year, NVSRAM, Square Wave Output
Date Format	YY-MM-DD-dd
Current Timekeeping Max	200uA @ 5V

Reliable Timekeeping and Battery Backup

The DS1307 real-time clock IC excels in dependable time management, thanks to its automatic power-fail detection and switch circuitry. With a backup battery, the device ensures data retention for up to 10 years at 25C, providing peace of mind for critical applications susceptible to power interruptions.

Versatile Integration and Application

Optimized for a wide array of applications, the DS1307 fits seamlessly into consumer electronics, instrumentation, and industrial systems. Its industry-standard 8-pin DIP/SOIC/DFN package, I2C serial interface, and straightforward system integration allow manufacturers, suppliers, and developers across India to adopt it efficiently.

FAQs of DS1307:

Q: How does the DS1307 maintain accurate time during a power outage?

A: The DS1307 features automatic power-fail detection and circuitry that switches to battery backup when the main supply is lost. The battery (2.0V to 3.5V) keeps the clock running and preserves data in its 56 bytes of NV SRAM for up to 10 years at 25C.

Q: What is required to use the DS1307 as a clock in my project?

A: You need an external 32.768 kHz crystal for the DS1307s oscillator input. Connect the IC via its I2C serial interface to your microcontroller or system, supply a 4.5V5.5V main voltage, and attach a suitable backup battery for data retention during outages.

Q: When should I choose the DS1307 RTC for my application?

A: Select the DS1307 for applications requiring reliable timekeeping and date storage, especially in environments where power loss may occur, such as consumer devices, industrial equipment, and instrumentation that benefit from its battery-backed non-volatile memory.

Q: Where can the DS1307 be sourced in India?

A: The DS1307 is widely available across India from distributors, importers, manufacturers, suppliers, traders, and wholesalers offering electronic components, making it accessible for varied project requirements and bulk procurement.

Q: What are the benefits of using BCD format with the DS1307?

A: The Binary Coded Decimal (BCD) format simplifies digital time and date representation, making it easier to interface with displays and microcontrollers, reducing software complexity, and enhancing data reliability in time-stamping applications.

Q: How is time data read from the DS1307, and what can it output?

A: Time data is accessed via the I2C-compatible serial interface. The DS1307 outputs seconds, minutes, hours, day, date, month, and year values, all formatted in BCD and selectable between 12-hour and 24-hour clock modes.

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