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Name: DS1305E
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1305E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS1305E

Part No.:: DS1305E

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 20-TSSOP (0.173, 4.40mm Width)

Datasheet:: DS1305E.pdf

Description:: IC RTC CLK/CALENDAR SPI 20-TSSOP

In Stock:: 2332

Quantity:: Add To Cart

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DS1305E Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, NVSRAM, Trickle-Charger
MemorySize:
96B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
2V ~ 5.5V
Voltage-SupplyBattery:
2V ~ 5.5V
Current-Timekeeping(Max):
25.3µA ~ 81µA @ 2V ~ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

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DS1305E information

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Basic introduction and simple engineering application of DS1305E

DS1305E is a real-time clock (RTC) IC manufactured by Maxim Integrated. It provides accurate timekeeping and calendar functions, making it ideal for applications requiring precise time tracking, such as data logging systems, alarm clocks, and embedded systems.

Basic Features:

The DS1305E integrates a 32.768kHz crystal oscillator and a battery backup input to maintain timekeeping even when the main power is disconnected. It communicates with the microcontroller via a simple serial interface, making it easy to interface with various microcontroller platforms.

Application Scenario:

In this tutorial, we will demonstrate a simple project using DS1305E to build a digital clock with an Arduino microcontroller. This project will showcase how to read time from the DS1305E RTC module and display it on an LCD screen.

Project Components:

- Arduino Uno or compatible microcontroller board

- DS1305E RTC module

- 16x2 LCD display

- Jumper wires

- Breadboard

Experiment Steps:

1. Hardware Connection:

Connect the DS1305E RTC module to the Arduino board using jumper wires. Make sure to connect the SDA and SCL pins of the RTC module to the corresponding pins on the Arduino (A4 and A5 on Arduino Uno).

2. LCD Display Setup:

Connect the LCD display to the Arduino following the standard wiring diagram. Ensure that the contrast potentiometer is adjusted for optimal viewing.

3. Arduino Sketch:

Write an Arduino sketch to interface with the DS1305E RTC module using the I2C protocol. Use the Wire library to communicate with the RTC module and retrieve the current time.

4. Display Time:

Display the current time obtained from the RTC module on the LCD display. Format the time in hours, minutes, and seconds.

5. Test and Debug:

Upload the Arduino sketch to the board and observe the LCD display. Ensure that the time is being correctly read from the RTC module and displayed on the screen.

Considerations:

- Power Supply: Ensure that the Arduino board and RTC module are adequately powered to maintain timekeeping functionality.

- I2C Addressing: Check the I2C address of the DS1305E RTC module and adjust the Arduino sketch if necessary.

- Error Handling: Implement error checking mechanisms in the Arduino sketch to handle communication failures or invalid data from the RTC module.

- User Interface: Enhance the project by adding buttons or a rotary encoder to set the time or configure alarm settings.

By following these steps, you can create a simple digital clock using the DS1305E RTC module and Arduino, gaining hands-on experience with real-time clock functionality and I2C communication.

DS1305E FAQ

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3. Are the DS1305E price and inventory displayed accurate?

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6. What is the process for return or replacement of DS1305E?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1305E we delivered, we will accept the replacement or return of the DS1305E only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1305E.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations