What is the Additional Feature ?

Name: RX-8581SA:B
Brand: Epson
SKU: RX-8581SA:B
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 RX-8581SA:B

Part No.:: RX-8581SA:B

Manufacturer:: Epson

Package:: 14-SOIC (0.209, 5.30mm Width)

Datasheet:: RX-8581SA:B.pdf

Description:: IC RTC CLK/CALENDAR I2C 14-SOP

In Stock:: 3338

Quantity:: Add To Cart

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RX-8581SA:B Specifications

Package/Case:
14-SOIC (0.209, 5.30mm Width)
Packaging:
Tube
Series:
RX-8581SA
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year
MemorySize:
-
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
1.8V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
0.8µA ~ 1.2µA @ 3V ~ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

RX-8581SA:B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including RX-8581SA:B 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 RX-8581SA:B 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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RX-8581SA:B information

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RX-8581SA:B Typical application Circuitry

RX-8581SA B

The RX-8581SA:B is an advanced real-time clock (RTC) module incorporating a built-in crystal oscillator and digital temperature compensation, ensuring accurate timekeeping across a broad temperature range. This RTC module is designed for a wide array of applications that require precise time and date information, such as embedded systems, consumer electronics, industrial controls, automotive electronics, and IoT devices.

Functionality & Application Scenarios

The RX-8581SA:B is ideally suited for:

- Consumer Electronics: Enhancing devices like smart watches, digital cameras, and home automation systems with precise time.

- Automotive Systems: Providing accurate timekeeping for dashboard clocks, navigation, and telematics systems.

- Industrial Controls: Managing time-sensitive operations and logging events in automation systems.

- Embedded Systems: Serving as a reliable time base for microcontroller projects.

- IoT Devices: Ensuring synchronized time-stamping for data collected from sensors and for managing device states over time.

Key Parameters & Features

Characteristic features of the RX-8581SA:B include:

- Integrated Crystal Oscillator: Facilitates compact designs by eliminating the need for an external crystal.

- Low Power Consumption: Makes it ideal for battery-operated devices.

- Digital Temperature Compensation: Ensures timekeeping accuracy under temperature variances.

- I2C Interface: Allows for straightforward integration with most microcontrollers.

- Battery Backup Input: Enables continuous timekeeping during power failures.

Detailed Application Scenario: Smart Home System Integration

Circuit Connection Detail

Incorporating the RX-8581SA:B into a smart home system can provide accurate timekeeping for event scheduling, device control, and data logging.

1. Power Supply Connection

Link VDD to a 3.3V power supply and connect VSS to ground. The RX-8581SA:B's VDD pin must be attached to a stable 3.3V source, and the VSS pin should be grounded to establish the power supply for the module, ensuring its operation.

2. I2C Communication Setup

Interface the SCL and SDA pins with the microcontroller's I2C bus. The Serial Clock (SCL) and Serial Data (SDA) pins of the RX-8581SA:B should be connected to the corresponding I2C pins on the microcontroller. Utilizing pull-up resistors on these lines is necessary to maintain signal integrity for reliable communication.

3. Battery Backup Installation

Connect a coin-cell battery to the VBAT pin. To ensure the RTC maintains timekeeping during power outages, the battery backup pin (VBAT) of the RX-8581SA:B is connected to a 3V lithium coin cell. This setup is critical for smart home systems that require continuous operation and accurate timekeeping, regardless of the main power supply status.

4. External Interrupt Configuration

Use the IRQ/FT pin for alarms or time-triggered actions. The interrupt/output pin (IRQ/FT) can be wired to an input pin on the microcontroller or home automation controller. This enables the RX-8581SA:B to signal the system for specific timed events, enhancing the automation capabilities of the smart home system.

Design Considerations

When designing circuits with the RX-8581SA:B, several factors should be considered:

- Power Efficiency: Optimize the circuit for low power consumption, especially important for battery-operated devices within the smart home ecosystem.

- Communication Reliability: Ensure the I2C lines are shielded from electromagnetic interference to maintain reliable data transmission.

- Environmental Conditions: Account for the operating temperature range and environmental factors that could affect the RTC's accuracy and the battery's performance.

- Battery Life: Select a suitable battery considering its lifespan and the operational requirements of the smart home system.

Integrating the RX-8581SA:B into a smart home system not only showcases its utility in providing accurate timekeeping but also highlights the importance of addressing design considerations such as power management, communication integrity, and environmental robustness. Through careful implementation, the RX-8581SA:B can significantly enhance the functionality and reliability of modern smart home systems.

RX-8581SA:B FAQ

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We have a professional and experienced quality control team to strictly verify and test the RX-8581SA:B. All suppliers must pass our qualification reviews before they can publish their products including RX-8581SA:B on icwhale.com; we pay more attention to the channels and quality of RX-8581SA:B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the RX-8581SA:B price and inventory displayed accurate?

The price and inventory of RX-8581SA:B fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of RX-8581SA:B?

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 RX-8581SA:B we delivered, we will accept the replacement or return of the RX-8581SA:B 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 RX-8581SA:B.

(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