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Name: RX-8581SA:B3:ROHS
Brand: Epson
SKU: RX-8581SA:B3:ROHS
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:B3:ROHS

Part No.:: RX-8581SA:B3:ROHS

Manufacturer:: Epson

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

Datasheet:: RX-8581SA:B3:ROHS.pdf

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

In Stock:: 2772

Quantity:: Add To Cart

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RX-8581SA:B3:ROHS Specifications

Package/Case:
14-SOIC (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
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:B3:ROHS this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including RX-8581SA:B3:ROHS 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:B3:ROHS 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:B3:ROHS information

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RX-8581SA:B3:ROHS Typical application Circuitry

RX-8581SA B3 ROHS

The RX-8581SA:B3:ROHS is a state-of-the-art, low-power real-time clock (RTC) module, integrating a crystal oscillator and featuring digital temperature compensation to ensure high-accuracy timekeeping across a broad temperature spectrum. Adhering to the Restriction of Hazardous Substances (RoHS) directive, this RTC module is environmentally friendly and designed for a variety of applications requiring precise time and date management, including embedded systems, industrial controls, consumer electronics, IoT devices, and automotive systems.

Functionality & Application Scenarios

The RX-8581SA:B3:ROHS is optimal for:

- Consumer Electronics: Enhancing smart home devices, personal gadgets, and entertainment systems with accurate time.

- Automotive: Serving in navigation, infotainment, and telematics systems for time-stamped data logging and scheduling.

- Industrial Controls: For process timing, scheduling, and logging in automation systems.

- Embedded Systems: Providing a time base for microcontroller projects.

- IoT Devices: Ensuring accurate timestamps for data collection and device event scheduling.

Key Parameters & Features

Important features of the RX-8581SA:B3:ROHS include:

- Integrated Crystal Oscillator: Offers a self-contained timekeeping solution.

- Low Power Consumption: Ideal for battery-operated and energy-conscious applications.

- Digital Temperature Compensation: Maintains time accuracy over a wide range of operating temperatures.

- I2C Interface: Simplifies communication with microcontrollers and processors.

- Battery Backup Capability: Preserves timekeeping during power interruptions.

Detailed Application Scenario: Industrial Process Control

Circuit Connection Detail

Implementing the RX-8581SA:B3:ROHS in an industrial process control system enables precise timing for operations scheduling and event logging.

1. Power Supply Configuration

Connect VDD to a 3.3V supply and VSS to ground. The power pin (VDD) of the RX-8581SA:B3:ROHS should be connected to a clean, stable 3.3V power source. The ground pin (VSS) must be tied to the system's ground to ensure proper operation.

2. I2C Communication Link

Interface SCL and SDA pins with the controller's I2C bus. The Serial Clock (SCL) and Serial Data (SDA) pins on the RX-8581SA:B3:ROHS are connected to the respective I2C pins on the industrial controller. Properly sizing pull-up resistors for these lines is crucial to maintain signal integrity and reliable communication.

3. Battery Backup System

Attach VBAT to a coin-cell battery. To guarantee uninterrupted timekeeping, even when the main power supply fails, the VBAT pin of the RX-8581SA:B3:ROHS is connected to a 3V lithium coin cell. This ensures that the RTC continues to function, maintaining accurate time and date information critical for logging and scheduling in industrial applications.

4. Alarm and Control Signaling

Utilize the IRQ/FT pin for control signals. The interrupt/output pin (IRQ/FT) can be linked to an input pin on the industrial controller to facilitate time-based control signals for operations such as starting/stopping processes or triggering alarms based on the RTC's set alarms or timers.

Design Considerations

When designing circuits with the RX-8581SA:B3:ROHS, key considerations include:

- Electromagnetic Compatibility (EMC): Industrial environments can be electrically noisy. Designing for EMC is critical to ensure reliable RTC communication.

- Power Integrity: Ensuring a clean power supply to the RX-8581SA:B3:ROHS is vital for accurate timekeeping.

- Environmental Robustness: Industrial settings may expose the RTC to harsh conditions. Selecting appropriate protective enclosures or coatings can safeguard the device.

- Battery Lifespan: Considering the operational lifespan and temperature range of the backup battery is important for maintaining uninterrupted operation.

Embedding the RX-8581SA:B3:ROHS into an industrial control system exemplifies its capability to provide precise and reliable timekeeping essential for the efficient management of time-sensitive industrial processes. By thoroughly addressing design considerations, the RX-8581SA:B3:ROHS can significantly enhance the functionality and reliability of modern industrial systems.

RX-8581SA:B3:ROHS FAQ

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3. Are the RX-8581SA:B3:ROHS price and inventory displayed accurate?

The price and inventory of RX-8581SA:B3:ROHS 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:B3:ROHS?

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:B3:ROHS we delivered, we will accept the replacement or return of the RX-8581SA:B3:ROHS 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:B3:ROHS.

(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