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Name: DS1305E/T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1305E/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 DS1305E/T&R

Part No.:: DS1305E/T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1305E/T&R.pdf

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

In Stock:: 3223

Quantity:: Add To Cart

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DS1305E/T&R Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
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

DS1305E/T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1305E/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 DS1305E/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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DS1305E/T&R information

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Basic introduction and simple engineering application of DS1305E/T&R

DS1305E/T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated, commonly used in electronic devices requiring accurate timekeeping functionalities. It offers a range of features suitable for applications such as data logging, timing control, and alarm systems.

Application Scenario:

In a digital alarm clock project, DS1305E/T&R can be utilized to provide accurate timekeeping and alarm functionalities, allowing users to set alarms and display current time.

Circuit Design:

To create a digital alarm clock using DS1305E/T&R, follow these steps:

1. RTC Integration:

Connect DS1305E/T&R to the microcontroller, such as Arduino or Raspberry Pi, using the I2C communication protocol. Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable communication.

2. Time Display:

Utilize a display module, such as an LCD or LED display, to show the current time retrieved from DS1305E/T&R. Interface the display module with the microcontroller, and update the display with the time data received from the RTC chip.

3. Alarm Setting:

Implement user interface components, such as buttons or a touchscreen, to allow users to set alarms. Use the microcontroller to configure the alarm settings in DS1305E/T&R, including the desired alarm time and repetition frequency.

4. Alarm Output:

Connect output devices, such as buzzers or LEDs, to the microcontroller's GPIO pins. Program the microcontroller to trigger these output devices based on the alarm settings stored in DS1305E/T&R, providing audible or visual alarm notifications.

5. Power Management:

Ensure a stable power supply for both DS1305E/T&R and the microcontroller to maintain continuous timekeeping and alarm functionality. Incorporate voltage regulators and decoupling capacitors to minimize power supply noise and ensure reliable operation.

Considerations:

When designing the digital alarm clock circuit, consider the following:

- Backup Power: Implement a backup power source, such as a coin cell battery, to maintain timekeeping functionality in case of a main power failure.

- User Interface Design: Design an intuitive user interface for setting alarms and adjusting clock settings to enhance user experience.

- Alarm Accuracy: Ensure that the alarm triggers accurately at the specified time by periodically synchronizing DS1305E/T&R with an external time source, such as an internet time server.

- Low Power Consumption: Optimize the firmware to minimize power consumption during standby mode to prolong battery life in battery-operated alarm clock designs.

- Error Handling: Implement error detection and correction mechanisms to handle communication errors or RTC malfunctioning scenarios gracefully.

DS1305E/T&R FAQ

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3. Are the DS1305E/T&R price and inventory displayed accurate?

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6. What is the process for return or replacement of DS1305E/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 DS1305E/T&R we delivered, we will accept the replacement or return of the DS1305E/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 DS1305E/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