AT28BV256-20TU

The AT28BV256-20TU is a 256K-bit (32K x 8) Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by Microchip Technology. It operates with a supply voltage range of 2.7V to 5.5V and features a fast access time of up to 20 ns, making it suitable for high-speed applications. This memory device uses a byte-wide interface, allowing for flexible data handling.
The AT28BV256-20TU supports both random access and sequential data programming, making it ideal for applications requiring firmware updates and storage of configuration data. Its EEPROM technology allows for data retention of over 100 years, with the capability to endure a minimum of 1 million write/erase cycles.
Key features include a simple programming sequence, a low power consumption mode, and the ability to operate over a wide temperature range. This makes it a reliable choice for embedded systems, telecommunications, and automotive applications, where durability and performance are critical. Its compact 32-lead PLCC package facilitates easy integration into various circuit designs.

The AT28BV256-20TU is a 256 Kbit (32 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for various applications in embedded systems. Key features include:
1. Voltage Range: Operates at a supply voltage of 2.7V to 5.5V, making it suitable for low-voltage applications.
2. Access Time: Offers a fast access time of 20 ns, facilitating quick data retrieval.
3. Byte-Writable: Supports byte-level write operations, allowing for flexible data management.
4. Endurance: Features up to 1 million write/erase cycles, ensuring durability and long-term reliability.
5. Data Retention: Provides data retention of up to 100 years, making it ideal for critical data storage.
6. Integrated Control Logic: Contains built-in control logic for easy interfacing with microcontrollers.
7. Package Type: Available in a 32-lead TSOP and PDIP package, allowing for versatile mounting options.
These features make the AT28BV256-20TU suitable for applications in telecommunications, automotive, and consumer electronics.

The AT28BV256-20TU is packaged in a 32-pin Thin Quad Flat Pack (TQFP). This surface-mount package type is designed for efficient use of space on printed circuit boards.

The AT28BV256-20TU is a 32K x 8 (256K bits) EEPROM (Electrically Erasable Programmable Read-Only Memory) with a total of 28 pins. Its key functions include:
1. Address Bus (A0-A14): 15 pins used to address memory locations.
2. Data Bus (D0-D7): 8 data pins for input and output of data.
3. Chip Enable (CE): Activates the chip for read or write operations.
4. Output Enable (OE): Enables data output when low.
5. Write Enable (WE): Controls write operations; active low.
6. Vcc: Power supply pin (typically +5V).
7. Vss: Ground pin.
8. NC: No connect pins, not used in the circuit.
This device supports byte-level write and erase operations, making it suitable for applications such as firmware storage and configuration data.

The AT28BV256-20TU is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller and analog semiconductors, as well as a range of development tools. Founded in 1989, the company specializes in embedded control solutions and offers a wide variety of products, including microcontrollers, memory products, and digital signal controllers. Microchip is known for its focus on innovation, quality, and customer satisfaction, serving a diverse range of industries such as automotive, industrial, consumer electronics, and telecommunications. The AT28BV256-20TU is a type of EEPROM (Electrically Erasable Programmable Read-Only Memory) used in various electronic applications for data storage and retrieval.

The AT28BV256-20TU is a 256 Kbit (32K x 8) Flash memory chip primarily used in embedded systems. Its application areas include firmware storage in consumer electronics, automotive systems, networking devices, industrial control systems, and telecommunications equipment. The chip's ability to be electrically erased and reprogrammed makes it suitable for applications requiring frequent updates, such as BIOS storage in computers and programmable logic controllers (PLCs).

The AT28BV256-20TU is a 256 Kbit (32 Kbyte) EEPROM with a 20 ns access time. Equivalent products include the AMD AM28F256, Microchip 25AA256, and STMicroelectronics M24C256. Always verify compatibility regarding voltage, pin configuration, and operational features before substitution.