onsemi

CAT28C256G-15T

CAT28C256G-15T Description

The CAT28C256G-15T is an EEPROM memory IC chip designed for a wide range of electronic applications. Manufactured by onsemi, this chip features a 256Kbit memory size organized in a 32K x 8 format. It operates within a voltage range of 4.5V to 5.5V and is suitable for use in environments with temperatures ranging from 0°C to 70°C. The chip employs a parallel memory interface, ensuring efficient data transfer and compatibility with various systems. With an access time of 150 ns and a write cycle time of 5ms for words and pages, the CAT28C256G-15T offers reliable performance for both read and write operations. The chip is available in a surface-mount package, specifically in a tape and reel format, which facilitates automated assembly processes. Despite being marked as obsolete, the CAT28C256G-15T remains a viable option for legacy systems and specific applications where its unique features are advantageous.

CAT28C256G-15T Features

• Memory Size and Organization: The CAT28C256G-15T provides a substantial 256Kbit memory capacity, organized in a 32K x 8 configuration. This structure is ideal for applications requiring significant data storage and efficient memory management.
• Parallel Interface: The parallel memory interface ensures high-speed data transfer, making the chip suitable for systems where rapid access to large data sets is crucial.
• Fast Access Time: With an access time of 150 ns, the CAT28C256G-15T delivers quick read operations, enhancing overall system performance.
• Reliable Write Cycle: The write cycle time of 5ms ensures that data can be written efficiently, balancing speed with reliability.
• Wide Operating Voltage Range: The chip operates within a voltage range of 4.5V to 5.5V, providing flexibility and compatibility with various power supply configurations.
• Surface Mount Packaging: The surface-mount package, specifically in a tape and reel format, simplifies assembly processes and is well-suited for automated manufacturing environments.
• Moisture Sensitivity Level: The MSL rating of 3 (168 hours) ensures the chip's durability and reliability in various environmental conditions, reducing the risk of moisture-related failures.

CAT28C256G-15T Applications

The CAT28C256G-15T is well-suited for a variety of applications where reliable, non-volatile memory is required. Its large memory capacity and fast access times make it ideal for:

• Embedded Systems: In embedded systems, the CAT28C256G-15T can store critical firmware and configuration data, ensuring that the system can boot and operate reliably even after power loss.
• Industrial Control: For industrial control applications, the chip's robustness and wide operating temperature range make it suitable for harsh environments where data integrity is paramount.
• Telecommunications: In telecommunications equipment, the CAT28C256G-15T can store essential configuration parameters and calibration data, ensuring consistent performance and reliability.
• Consumer Electronics: The chip can be used in consumer electronics for storing user settings, calibration data, and other non-volatile information, enhancing the user experience and product reliability.

Conclusion of CAT28C256G-15T

The CAT28C256G-15T is a versatile EEPROM memory IC chip that offers a combination of large memory capacity, fast access times, and reliable performance. Despite being marked as obsolete, its unique features and robust design make it an attractive option for specific applications where its capabilities are well-suited. The chip's surface-mount packaging and wide operating voltage range further enhance its compatibility and ease of integration into various systems. For applications requiring non-volatile memory with high reliability and efficient data management, the CAT28C256G-15T remains a reliable choice.