What is the Additional Feature ?

Name: RX-8581SA:B0
Brand: Epson
SKU: RX-8581SA:B0
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:B0

Part No.:: RX-8581SA:B0

Manufacturer:: Epson

Package:: 14-SOIC (0.197, 5.00mm Width)

Datasheet:: RX-8581SA:B0.pdf

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

In Stock:: 2656

Quantity:: Add To Cart

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RX-8581SA:B0 Specifications

Package/Case:
14-SOIC (0.197, 5.00mm Width)
Packaging:
Tape & Reel (TR)
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:B0 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including RX-8581SA:B0 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:B0 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:B0 information

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RX-8581SA:B0 Typical application Circuitry

RX-8581SA B0

The RX-8581SA:B0 is a compact, high-precision real-time clock (RTC) module that integrates a quartz crystal oscillator and provides a wealth of features including digital temperature compensation, automatic leap year correction, and an I2C bus interface. This module is specifically designed for applications requiring accurate timing over a wide temperature range, making it suitable for use in various fields such as embedded systems, consumer electronics, industrial controls, automotive applications, and IoT devices.

Functionality & Application Scenarios

The RX-8581SA:B0 is used in:

- Consumer Electronics: For managing time in devices like wearable tech, smart appliances, and personal organizers.

- Automotive Systems: In dashboard clocks and navigation systems to provide accurate timekeeping.

- Industrial Controls: For scheduling and time-stamping in manufacturing processes.

- Embedded Systems: As a time base for scheduling events or monitoring operation durations.

- IoT Devices: To timestamp data collected from sensors and manage device states based on time.

Key Parameters & Features

Notable characteristics of the RX-8581SA:B0 include:

- Integrated Crystal Oscillator: Reduces external component count, simplifying design.

- Low Power Consumption: Ideal for battery-powered or energy-efficient applications.

- High accuracy is ensured throughout the operating temperature range by digital temperature compensation.

- I2C Communication: Facilitates easy integration with most microcontrollers.

- Battery Backup Function: Allows the RTC to keep time even during power outages.

Detailed Application Scenario: Embedded System Timekeeping

Circuit Connection Detail

Integrating the RX-8581SA:B0 into an embedded system enhances functionality by providing accurate timekeeping capabilities.

1. Power Supply Connectivity

Ensure VDD is connected to a 3.3V source and VSS to ground. The RX-8581SA:B0's VDD pin must be connected to a 3.3V power supply, and the VSS pin to the system ground, ensuring stable operation.

2. I2C Communication Configuration

Attach SDA and CLK to the I2C bus of the microcontroller.The Serial Clock (SCL) and Serial Data (SDA) pins on the RX-8581SA:B0 should be connected to the respective SCL and SDA pins on the microcontroller. To preserve signal integrity on these lines, pull-up resistors are recommended.

3. Battery Backup Setup

Connect a lithium coin cell to VBAT. For uninterrupted timekeeping during power failures, the battery backup pin (VBAT) of the RX-8581SA:B0 is connected to a 3V lithium coin cell battery. This configuration is essential for applications where maintaining accurate time is critical, regardless of the main power supply status.

4. Time Update and Alarm Notifications

Employ IRQ/FT pin for external interrupts. An interrupt-capable GPIO pin on the microcontroller can be linked to the interrupt output pin (IRQ/FT). This setup enables the RTC to signal the microcontroller for time updates, alarm notifications, or to perform specific scheduled tasks, enhancing the system's power efficiency and functionality.

Design Considerations

When incorporating the RX-8581SA:B0 into a circuit, several factors must be considered:

- Power Management: Implementing strategies for low power consumption to extend the life of battery-powered devices.

- Signal Clarity: Ensuring that the I2C communication lines are protected from noise and interference, which is crucial for reliable data transfer.

- Environmental Impact: Considering the effects of temperature fluctuations on the device's operation and incorporating necessary compensation techniques.

- Battery Selection: Choosing the right battery for the backup power supply, considering factors such as lifespan and temperature tolerance.

Utilizing the RX-8581SA:B0 in an embedded system not only demonstrates the module's capability to provide precise and reliable timekeeping but also underscores the importance of addressing design considerations such as power efficiency, communication reliability, and environmental resilience. Through careful planning and implementation, the RX-8581SA:B0 can significantly enhance the functionality of modern electronic devices and systems.

RX-8581SA:B0 FAQ

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3. Are the RX-8581SA:B0 price and inventory displayed accurate?

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6. What is the process for return or replacement of RX-8581SA:B0?

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:B0 we delivered, we will accept the replacement or return of the RX-8581SA:B0 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:B0.

(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