What is the Additional Feature ?

Name: RTC-72421A: PURE SN
Brand: Epson
SKU: RTC-72421A: PURE SN
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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Epson RTC-72421A: PURE SN

Part No.:: RTC-72421A: PURE SN

Manufacturer:: Epson

Package:: 18-DIP (0.300, 7.62mm)

Datasheet:: RTC-72421A: PURE SN.pdf

Description:: IC REAL TIME CLOCK/CALENDAR

In Stock:: 2131

Quantity:: Add To Cart

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RTC-72421A: PURE SN Specifications

Package/Case:
18-DIP (0.300, 7.62mm)
Packaging:
Bulk
Series:
RTC-72421
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
-
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
5µA ~ 10µA @ 2V ~ 5V
OperatingTemperature:
-10°C ~ 70°C
MountingType:
Through Hole

RTC-72421A: PURE SN this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including RTC-72421A: PURE SN 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 RTC-72421A: PURE SN 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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RTC-72421A: PURE SN information

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Basic introduction and simple engineering application of RTC-72421A: PURE SN

RTC-72421A: PURE SN is a real-time clock (RTC) IC manufactured by Ricoh Electronic Devices Co., Ltd. It is widely used in electronic devices to keep track of time accurately, even when the main power source is unavailable. The RTC-72421A: PURE SN IC offers precise timekeeping capabilities with low power consumption, making it suitable for battery-powered and energy-efficient applications.

Application Scenario:

In a digital alarm clock project, RTC-72421A: PURE SN can be utilized to maintain accurate timekeeping functionality, ensuring that the alarm triggers at the specified time reliably.

Circuit Design:

To incorporate RTC-72421A: PURE SN into a digital alarm clock circuit, follow these steps:

1. RTC Connection:

Connect the RTC-72421A: PURE SN IC to the microcontroller, ensuring proper wiring for communication and power supply. Utilize the I2C or SPI interface for communication between the RTC and the microcontroller.

2. Crystal Oscillator:

Include a crystal oscillator circuit with the RTC-72421A: PURE SN IC to ensure stable and accurate timekeeping. Connect the crystal oscillator to the designated pins of the RTC IC.

3. User Interface:

Integrate user interface components, such as buttons and an LCD display, to set the alarm time and display current time. Configure GPIO pins of the microcontroller to interface with these components.

4. Alarm Functionality:

Implement alarm functionality in the microcontroller firmware, utilizing the timekeeping information provided by RTC-72421A: PURE SN. Set the alarm trigger time and enable the alarm output when the current time matches the set alarm time.

5. Power Management:

Optimize power management for the digital alarm clock circuit to ensure prolonged battery life. Utilize low-power modes of both the microcontroller and the RTC-72421A: PURE SN IC when the device is idle.

Considerations:

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

- Backup Power Source: 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 a user-friendly interface for setting the alarm time and interacting with the alarm clock functions.

- Alarm Accuracy: Ensure that the alarm triggers accurately at the specified time, considering factors such as crystal oscillator accuracy and firmware timing precision.

- Power Efficiency: Optimize power consumption to prolong battery life, especially in battery-powered applications.

- Firmware Reliability: Thoroughly test the firmware to ensure stable operation and proper handling of timekeeping functions, including alarm triggering and time synchronization.

RTC-72421A: PURE SN FAQ

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We have a professional and experienced quality control team to strictly verify and test the RTC-72421A: PURE SN. All suppliers must pass our qualification reviews before they can publish their products including RTC-72421A: PURE SN on icwhale.com; we pay more attention to the channels and quality of RTC-72421A: PURE SN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the RTC-72421A: PURE SN price and inventory displayed accurate?

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6. What is the process for return or replacement of RTC-72421A: PURE SN?

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 RTC-72421A: PURE SN we delivered, we will accept the replacement or return of the RTC-72421A: PURE SN 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 RTC-72421A: PURE SN.

(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