Microchip Technology AT28HC256F-12TI High-Speed EEPROM

The AT28HC256F-12TI from Microchip Technology is a high-performance, 256K (32K x 8) parallel EEPROM, offering fast read and write capabilities with a 120 ns access time. Designed for high-speed applications that require reliable and durable non-volatile memory, this EEPROM is an ideal choice for a wide range of computing, industrial, automotive, and telecommunication systems.

Constructed with advanced CMOS technology, the AT28HC256F-12TI ensures low power consumption, making it suitable for battery-operated and power-sensitive devices. The EEPROM operates across a broad voltage range of 4.5V to 5.5V, providing flexibility and compatibility with most 5V systems.

This EEPROM features a 28-pin TSOP (Thin Small Outline Package) which is widely used for its space-saving footprint and reliability. The part number suffix '12TI' indicates the speed grade and package type, with '12T' denoting a 120 ns access time and 'I' signifying the industrial temperature range it can operate in, which typically spans from -40°C to +85°C.

One of the key advantages of the AT28HC256F-12TI is its hardware and software data protection schemes. The device includes a hardware data protection feature by using a write protect pin to prevent inadvertent writes, as well as a software data protection mechanism to further secure the data integrity during programming cycles.

The EEPROM supports rapid programming algorithms for quick and efficient data updates, which is crucial for applications requiring frequent data changes. Additionally, it is capable of withstanding up to 100,000 write cycles and has a data retention period of 10 years, ensuring long-term reliability of stored data.

Overall, the Microchip Technology AT28HC256F-12TI EEPROM stands out for its speed, durability, and low power consumption, making it an excellent memory solution for applications where these attributes are critical.

• Part Number: AT28HC256F-12TI
• Memory Size: 256K (32K x 8)
• Access Time: 120 ns
• Operating Voltage: 4.5V to 5.5V
• Package: 28-pin TSOP
• Temperature Range: Industrial (-40°C to +85°C)
• Write Cycles: Up to 100,000
• Data Retention: 10 years