Epson

RX-8581NB:B I2C-BUS  

Real Time Clocks ICs

RX-8581NB:B I2C-BUS Description

The RX-8581NB:B I2C-BUS is a highly reliable and versatile Real-Time Clock (RTC) and calendar IC designed by Epson, a renowned manufacturer in the electronics industry. This device is specifically engineered for applications requiring precise timekeeping and calendar functions, making it an essential component for a wide range of electronic systems.

This RTC IC features a robust I2C interface, ensuring seamless communication with other system components. It operates within a wide supply voltage range of 1.8V to 5.5V, providing flexibility in power supply requirements. The RX-8581NB:B is designed for surface mount applications, making it ideal for modern, compact electronic designs that require high-density component placement.

The device is housed in a strip package, which is both durable and space-efficient. It is also ROHS3 compliant, adhering to stringent environmental standards and ensuring compatibility with modern manufacturing processes. With a moisture sensitivity level (MSL) of 1 (unlimited), the RX-8581NB:B is highly resistant to moisture, making it suitable for various environmental conditions.

RX-8581NB:B I2C-BUS Features

The RX-8581NB:B I2C-BUS offers several unique features that set it apart from similar models in the market:

1. Alarm Functionality: This RTC IC includes an alarm feature, allowing users to set specific times for triggering events or notifications. This functionality is particularly useful in applications requiring scheduled operations or reminders.

2. Low Power Consumption: The RX-8581NB:B boasts an impressive timekeeping current of only 0.8µA to 1.2µA at 3V to 5V, making it highly energy-efficient. This low power consumption is crucial for battery-operated devices, ensuring extended operational life without frequent battery replacements.

3. Wide Operating Voltage Range: The ability to operate within a 1.8V to 5.5V supply voltage range provides significant flexibility, making the device suitable for a variety of power supply configurations.

4. Surface Mount Technology (SMT): The surface mount mounting type ensures that the RX-8581NB:B can be easily integrated into compact and high-density PCB designs, optimizing space utilization.

5. Environmental Compliance: Being ROHS3 compliant, the RX-8581NB:B meets the latest environmental regulations, making it suitable for use in eco-friendly manufacturing processes.

RX-8581NB:B I2C-BUS Applications

The RX-8581NB:B I2C-BUS is ideal for a wide range of applications where accurate timekeeping and calendar functions are essential. Some specific use cases include:

1. Consumer Electronics: Devices such as digital cameras, media players, and smart home appliances can benefit from the precise timekeeping and alarm features of the RX-8581NB:B.

2. Industrial Control Systems: In industrial settings, accurate time tracking is crucial for monitoring and control applications. The RX-8581NB:B provides reliable timekeeping, ensuring that processes are accurately timed and scheduled.

3. Medical Devices: For medical equipment that requires precise time tracking for monitoring patient conditions or administering treatments, the RX-8581NB:B offers a reliable and efficient solution.

4. Telecommunications: In the telecom industry, accurate time synchronization is essential for network operations. The RX-8581NB:B can be used to ensure that network devices maintain accurate time, facilitating smooth communication and data transfer.

Conclusion of RX-8581NB:B I2C-BUS

The RX-8581NB:B I2C-BUS is a high-performance RTC and calendar IC that offers a combination of reliability, low power consumption, and versatile features. Its wide operating voltage range, surface mount compatibility, and ROHS3 compliance make it a highly adaptable and environmentally friendly solution. The inclusion of an alarm function further enhances its utility in applications requiring scheduled operations.

Despite being marked as obsolete, the RX-8581NB:B remains a valuable component for designers and engineers seeking a robust and efficient timekeeping solution. Its precise timekeeping capabilities and low power consumption make it an ideal choice for a variety of consumer, industrial, medical, and telecommunications applications.

RX-8581NB:B I2C-BUS Documents

Download datasheets and manufacturer documentation for RX-8581NB:B I2C-BUS

Datasheets :

RX-8581(SA,JE,NB) Series      

Forum Discussions :

Epson Real Time Clock (RTC) I2C Modules Part Number System      

PCN Obsolescence/ EOL :

Multiple Devices 07/Dec/2020      

HTML Datasheet :

RX-8581(SA,JE,NB) Series