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

Part No.:: RX-8581SA:B:PURE SN

Manufacturer:: Epson

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

Datasheet:: RX-8581SA:B:PURE SN.pdf

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

In Stock:: 3659

Quantity:: Add To Cart

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RX-8581SA:B:PURE SN Specifications

Package/Case:
14-SOIC (0.197, 5.00mm Width)
Packaging:
Tube
Series:
RX-8581SA
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm
MemorySize:
-
TimeFormat:
-
DateFormat:
-
Interface:
I²C
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:PURE SN 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: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 RX-8581SA:B: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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RX-8581SA:B:PURE SN information

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RX-8581SA:B:PURE SN Typical application Circuitry

RX-8581SA B PURE SN

The RX-8581SA:B:PURE SN is a compact, highly accurate real-time clock (RTC) module that integrates a quartz crystal oscillator and a digital temperature compensation mechanism, ensuring precise timekeeping across a wide range of temperatures. This RTC module is specifically designed to meet the demands of applications requiring accurate time and date information, including embedded systems, consumer electronics, industrial controllers, and IoT devices.

Functionality & Application Scenarios

Applications for the RX-8581SA:B:PURE SN include:

- Consumer Electronics: For time management in devices like smartwatches and alarm clocks.

- Industrial Timing: In systems requiring scheduled operations or time-stamped logging.

- Embedded Systems: Providing accurate timekeeping for microcontroller-based projects.

- IoT Devices: For event scheduling and time synchronization across networks.

- Data Loggers: To accurately timestamp data entries for integrity and traceability.

Key Parameters & Features

Key characteristics of the RX-8581SA:B:PURE SN:

- Integrated Crystal Oscillator: Offers simplified circuit design without the need for an external crystal.

- Low Power Consumption: Essential for battery-operated or power-sensitive applications.

- Digital Temperature Compensation: Guarantees accurate timekeeping over temperature variations.

- I2C Bus Interface: Enables simple two-wire integration with most microcontrollers.

- Battery Backup Capability: Allows the RTC to continue functioning during power interruptions.

Detailed Application Scenario: Embedded System Timekeeping

Circuit Connection Detail

Incorporating the RX-8581SA:B:PURE SN into an embedded system provides an efficient solution for accurate time and date management.

1. Power Supply Connection

Link VDD to a 3.3V source and VSS to the system ground. The power pin (VDD) of the RX-8581SA:B:PURE SN is connected to a stable 3.3V power supply, ensuring the module receives the necessary power for operation. The ground pin (VSS) is connected to the system's ground to complete the power circuit.

2. I2C Communication Setup

Connect SCL and SDA to the microcontroller's I2C bus. The Serial Clock (SCL) and Serial Data (SDA) pins of the RX-8581SA:B:PURE SN are connected to the corresponding I2C pins on the microcontroller. Adding pull-up resistors to both lines (typically 4.7kΩ) is advisable to ensure reliable communication.

3. Battery Backup Integration

Attach a lithium coin cell to the VBAT pin. To maintain timekeeping during power failures, the battery backup pin (VBAT) of the RX-8581SA:B:PURE SN is connected to a 3V lithium coin cell battery. This configuration is critical for applications where time accuracy must be preserved without external power.

4. External Interrupt Configuration

Employ the IRQ/FT pin for event signaling. An interrupt pin (IRQ/FT) on the RX-8581SA:B:PURE SN can be connected to an interrupt-capable GPIO on the microcontroller. This allows the RTC module to trigger actions in the microcontroller based on alarms or periodic timer functions, facilitating efficient power management and event handling.

Design Considerations

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

- Power Efficiency: Optimize circuit design for low power consumption to extend battery life in portable devices.

- Signal Integrity: Ensure clean and stable I2C communication lines to prevent data corruption.

- Backup Battery Life: Select a suitable battery type and size to match the application's expected lifespan.

- PCB Layout: Design the PCB to minimize noise interference with the RTC module, especially in noisy environments.

Integrating the RX-8581SA:B:PURE SN into an embedded system not only highlights its utility in providing precise timekeeping capabilities but also emphasizes the importance of considering design aspects such as power management, communication integrity, and environmental conditions. By leveraging the RX-8581SA:B:PURE SN's features, developers can create robust, efficient, and reliable time-sensitive applications across various industries.

RX-8581SA:B:PURE SN FAQ

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

The price and inventory of RX-8581SA:B:PURE SN 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: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 RX-8581SA:B:PURE SN we delivered, we will accept the replacement or return of the RX-8581SA:B: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 RX-8581SA:B: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