AT28C64B-15SU

The AT28C64B-15SU is a highly reliable and efficient EEPROM memory integrated circuit that caters to a wide range of electronic applications. This 256Kb EEPROM memory is structured as 8K x 8 bits, making it a versatile choice for data storage solutions in various devices. With its operating voltage range of 4.5V to 5.5V, the AT28C64B-15SU is designed to operate seamlessly in different electronic environments, ensuring dependable performance.

Overview of the AT28C64B-15SU

EEPROM (Electrically Erasable Programmable Read-Only Memory) plays a fundamental role in the world of electronics, providing non-volatile storage that retains data even when power is removed. The AT28C64B-15SU specifically stands out due to its superior storage capacity and efficiency. This specific IC is ideal for applications where you need to store large amounts of data without compromising performance.

Key Features of the AT28C64B-15SU

• Storage Capacity: 256Kb (8K x 8 bits)
• Voltage Range: Operates at 4.5V to 5.5V, making it suitable for a variety of power supply configurations.
• Package Type: SO28 (Small Outline Package), which is designed for surface-mount applications, ensuring space efficiency on circuit boards.
• Interface: Parallel data interface, which allows for rapid data transfer speeds.
• Endurance: The AT28C64B-15SU supports a high number of write/erase cycles, which enhances its durability for repeated data modifications.
• Temperature Range: Operating temperature range typically from 0°C to 70°C, suitable for most commercial applications.

Applications of the AT28C64B-15SU

The AT28C64B-15SU is suited for various applications, including but not limited to:

• Consumer Electronics: Used in devices such as televisions, digital cameras, and other household appliances for configuration data storage.
• Industrial Equipment: Ideal for programmable controllers, data loggers, and other automation devices.
• Telecommunications: Used in communication systems for storing firmware and software data that require frequent updates.
• Automotive Solutions: Implemented within automotive control units to store critical parameters and calibration data.
• Medical Devices: Utilized in medical equipment for retention of patient data and system settings.

Technical Specifications

The AT28C64B-15SU boasts several specifications that propel its performance beyond standard EEPROMs. Here are the critical technical details:

• Memory Size: 256 Kbits (32 Kbytes)
• Write/Erase Cycles: Minimum 1,000,000 cycles per memory cell
• Data Retention: Retains data for over 100 years under proper conditions
• Read Access Time: Typically around 150 ns
• Power Consumption: Low active current consumption

Benefits of the AT28C64B-15SU

The integration of the AT28C64B-15SU into electronic applications can provide multiple advantages:

• Non-volatile Memory: The ability to save data without the need for continuous power supply enhances system reliability.
• Cost-Effective: Affordable memory solution for moderate storage needs without taking up significant space on a PCB.
• Easy Integration: Parallel interface simplifies the connection and communication with the microcontroller or processor.
• Durability: Extended write/erase capability and robust storage make it suitable for long-term applications.

How to Implement the AT28C64B-15SU in Your Project

Integrating the AT28C64B-15SU into your project involves several steps:

1. Select the Right Circuit Configuration: Ensure the IC is suited for your application needs, considering voltage requirements and storage capacity.
2. Connect the IC: Follow the recommended pin configurations for the SO28 package.
3. Program the EEPROM: Use parallel interface commands to read and write data into the AT28C64B-15SU.
4. Test Functionality: Verify if the data is stored correctly and is retrievable after power cycling.

Conclusion

The AT28C64B-15SU stands out as a reliable solution for EEPROM memory needs, combining a generous 256Kb storage capacity with a robust performance profile. Its suitability across various applications, combined with an easy interface and durable architecture, makes it an excellent choice for both new designs and retrofitting existing equipment. Whether you are developing consumer electronics, automotive systems, or industrial controls, the AT28C64B-15SU can effectively meet your EEPROM memory requirements, ensuring your devices perform optimally with long-lasting data retention capabilities.

For more related products, check out our EEPROM integrated circuits category.