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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)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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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:: 3236

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),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
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 serial real-time clock (RTC) chip manufactured by Maxim Integrated, designed for accurate timekeeping applications in various electronic systems. It features a simple serial interface, low power consumption, and battery backup support.

Application Scenario:

In electronic devices requiring precise timekeeping, such as data loggers, digital clocks, and automotive systems, DS1305EN+T&R can be utilized to maintain accurate time records and synchronize operations.

Basic Features:

- Real-Time Clock: DS1305EN+T&R integrates a real-time clock/calendar with seconds, minutes, hours, day, date, month, and year information.

- Serial Interface: The chip communicates with the host microcontroller or other devices via a simple serial interface, enabling easy integration into existing circuits.

- Battery Backup: With battery backup support, DS1305EN+T&R can retain timekeeping data even when the main power source is disconnected, ensuring uninterrupted operation.

- Alarm Functionality: It offers two programmable time-of-day alarms, which can trigger interrupt signals to the host microcontroller, allowing for event-based actions.

Project Example: Digital Clock

To create a simple digital clock using DS1305EN+T&R, follow these steps:

1. Hardware Setup:

- Connect DS1305EN+T&R to the microcontroller or development board using the serial interface. Ensure proper wiring for data (SDA), clock (SCL), and optionally, the interrupt output.

- Provide a backup battery to DS1305EN+T&R to maintain timekeeping data during power loss.

2. Initialization:

- Write initialization code in the microcontroller firmware to configure DS1305EN+T&R settings, such as time format (12-hour or 24-hour), alarm settings, and interrupt handling.

3. Timekeeping:

- Read current time data from DS1305EN+T&R registers periodically and display it on the output device, such as an LCD screen or LED display.

4. Alarm Handling:

- Implement alarm handling routines in the firmware to respond to alarm triggers. This may involve activating external indicators or performing specific actions based on the alarm conditions.

5. User Interface:

- Add user interface elements, such as buttons or a touchscreen, to allow user interaction with the clock, such as setting the time or configuring alarm settings.

Considerations:

When working with DS1305EN+T&R in a project, consider the following factors:

- Power Supply: Ensure stable power to DS1305EN+T&R and the microcontroller to prevent timekeeping inaccuracies or data loss.

- Addressing: If multiple serial devices are present on the bus, assign unique addresses to each device to avoid address conflicts.

- Noise Immunity: Shield the circuit from electrical noise to maintain reliable communication with DS1305EN+T&R and prevent data corruption.

- Calibration: Periodically calibrate the clock to compensate for drift and ensure accurate timekeeping over extended periods.

Conclusion:

DS1305EN+T&R is an essential component for accurate timekeeping in electronic projects. By following the provided project example and considering the mentioned factors, beginners can gain practical experience in integrating DS1305EN+T&R into their designs.

DS1305EN+T&R FAQ

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3. Are the DS1305EN+T&R price and inventory displayed accurate?

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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