onsemi

CAT28C256G-12T

CAT28C256G-12T Description

The CAT28C256G-12T is an EEPROM memory IC chip designed by onsemi, featuring a 256Kbit memory size organized in a 32K x 8 format. This chip operates within a supply voltage range of 4.5V to 5.5V and is optimized for parallel memory interface applications. It offers an access time of 120 ns and a write cycle time of 5ms for both word and page operations. The CAT28C256G-12T is packaged in a surface mount configuration, specifically in a Tape & Reel (TR) format, making it suitable for automated assembly processes. It is rated for an operating temperature range of 0°C to 70°C (TA) and has a moisture sensitivity level (MSL) of 3, which allows for 168 hours of exposure before assembly. This product is classified under HTSUS code 8542.32.0051 and is REACH unaffected, ensuring compliance with environmental regulations.

CAT28C256G-12T Features

• Memory Size and Organization: The CAT28C256G-12T provides a substantial 256Kbit memory capacity, organized in a 32K x 8 format, which is ideal for applications requiring significant non-volatile storage.
• Parallel Interface: The parallel memory interface ensures fast data transfer rates, making it suitable for high-speed applications where quick access to stored data is crucial.
• Fast Access Time: With an access time of 120 ns, the CAT28C256G-12T ensures rapid data retrieval, enhancing the overall performance of systems that rely on frequent data access.
• Reliable Write Cycle Time: The write cycle time of 5ms for both word and page operations ensures reliable and efficient data writing, minimizing delays in data storage processes.
• Wide Operating Voltage Range: The chip operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply design and compatibility with various power sources.
• Surface Mount Packaging: The surface mount configuration, specifically in a Tape & Reel (TR) format, facilitates easy integration into modern automated assembly lines, reducing production costs and improving manufacturing efficiency.
• Extended Temperature Range: The operating temperature range of 0°C to 70°C (TA) makes the CAT28C256G-12T suitable for a wide range of environmental conditions, ensuring reliable performance in various industrial and consumer applications.
• Moisture Sensitivity Level: The MSL rating of 3 allows for 168 hours of exposure before assembly, providing flexibility in manufacturing schedules and reducing the risk of moisture-related damage.

CAT28C256G-12T Applications

The CAT28C256G-12T is well-suited for a variety of applications that require reliable, non-volatile memory storage with fast access times. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems where quick data access and reliable storage are critical, such as in microcontrollers and IoT devices.
• Consumer Electronics: Suitable for consumer electronics that require non-volatile memory for storing configuration data, firmware, and user settings.
• Industrial Control Systems: Provides robust memory solutions for industrial control systems that need to maintain data integrity across power cycles and in varying environmental conditions.
• Telecommunications: Useful in telecommunications equipment for storing critical configuration parameters and operational data.
• Automotive Electronics: Can be employed in automotive applications for storing essential data related to vehicle systems, ensuring data persistence and reliability.

Conclusion of CAT28C256G-12T

The CAT28C256G-12T is a versatile EEPROM memory IC chip that offers a combination of high memory capacity, fast access times, and reliable write cycle times. Its parallel interface and surface mount packaging make it suitable for a wide range of applications, from consumer electronics to industrial control systems. Despite being classified as obsolete, the CAT28C256G-12T remains a reliable choice for applications that require non-volatile memory with specific performance characteristics. Its compliance with environmental regulations and extended temperature range further enhance its suitability for diverse operational environments.