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Name: DS1305EN/T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1305EN/T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS1305EN/T&R

Part No.:: DS1305EN/T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1305EN/T&R.pdf

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

In Stock:: 2700

Quantity:: Add To Cart

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DS1305EN/T&R Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Bulk
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:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1305EN/T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1305EN/T&R price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1305EN/T&R to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS1305EN/T&R information

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Basic introduction and simple engineering application of DS1305EN/T&R

DS1305EN/T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated, offering precise timekeeping functionality for various electronic applications. It integrates a 32.768 kHz quartz crystal oscillator and a battery backup circuit, ensuring accurate timekeeping even in the absence of external power.

Basic Overview:

The DS1305EN/T&R RTC chip communicates with the microcontroller or host system through a simple serial interface, typically SPI (Serial Peripheral Interface) or I2C (Inter-Integrated Circuit). It provides features such as time and datekeeping, alarm functions, and battery backup, making it suitable for applications requiring accurate timekeeping, such as data logging systems, alarm clocks, and industrial automation.

Application Example:

Let's explore a simple project using the DS1305EN/T&R RTC chip to create a digital clock with alarm functionality.

Experiment Setup:

1. Hardware Connection:

Connect the DS1305EN/T&R chip to the microcontroller or development board using the SPI or I2C interface. Ensure proper wiring of power supply, ground, and communication lines according to the datasheet.

2. Initialization:

Initialize the RTC chip by sending commands through the communication interface. Configure the date, time, and alarm settings according to the project requirements.

3. Reading Time:

Periodically read the current time from the DS1305EN/T&R chip using the communication protocol. Display the time on a digital display, such as an LCD or LED segment display.

4. Alarm Functionality:

Set up an alarm trigger using the alarm registers of the DS1305EN/T&R chip. When the alarm condition is met, such as reaching a specific time, activate an alarm signal to alert the user.

5. Power Backup Testing:

Simulate a power outage by disconnecting the main power supply. Verify that the DS1305EN/T&R chip continues to keep accurate time using the backup battery. Reconnect the power supply and ensure seamless transition back to normal operation.

Conclusion:

The DS1305EN/T&R RTC chip offers a cost-effective solution for accurate timekeeping in various electronic projects. By following the provided experiment steps, beginners can understand its functionality and integrate it into their own projects, such as digital clocks, data loggers, or timing-based control systems.

Key Considerations:

- Communication Protocol: Choose the appropriate communication protocol (SPI or I2C) based on the microcontroller's capabilities and project requirements.

- Backup Battery: Ensure a reliable backup battery is connected to the DS1305EN/T&R chip to maintain timekeeping during power outages.

- Alarm Accuracy: Test the accuracy of the alarm function to ensure timely alerts according to the specified conditions.

- Integration with Microcontroller: Interface the RTC chip with the microcontroller using proper voltage levels and signal conditioning to avoid communication errors.

- Power Consumption: Monitor the power consumption of the DS1305EN/T&R chip and optimize power management strategies for battery-powered applications.

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6. What is the process for return or replacement of DS1305EN/T&R?

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 DS1305EN/T&R we delivered, we will accept the replacement or return of the DS1305EN/T&R 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 DS1305EN/T&R.

(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