Product Overview: AT28C256-15SI from Microchip Technology

The AT28C256-15SI is a high-performance 256K (32K x 8) Parallel EEPROM from Microchip Technology, offering a versatile storage solution for a wide range of applications. Designed with reliability and durability in mind, this EEPROM provides non-volatile memory storage, ensuring data retention without the need for a power source.

With its fast access time of 150 ns, the AT28C256-15SI facilitates quick read operations, making it an ideal choice for performance-critical applications. The device operates across a standard industrial temperature range, ensuring stable performance under varying environmental conditions.

Key Features:

• Capacity: 256K (32K x 8) provides ample storage for configuration parameters, boot code, and other critical data.
• Access Time: Fast read access time of 150 ns allows for efficient data retrieval, enhancing overall system responsiveness.
• Operating Voltage: The device supports a 5V ±10% supply voltage, making it compatible with a broad range of legacy and contemporary systems.
• Endurance: Rated for a minimum of 100,000 write cycles, the AT28C256-15SI is built to last and can handle frequent data updates.
• Data Retention: Guaranteed data retention for a minimum of 10 years, providing long-term data stability.
• Package: Available in a 28-lead, 0.300" wide, plastic Small Outline (SOIC) package, it is suitable for space-constrained applications.
• Temperature Range: Operates reliably across an industrial temperature range of -40°C to +85°C.
• Programming: The device supports byte write operation, making it easy to update data one byte at a time.

The AT28C256-15SI also features JEDEC standard pinouts and is compatible with the industry-standard JEDEC byte-wide electrically erasable PROMs. This ensures easy integration into existing designs, reducing development time and simplifying product upgrades or migrations.

Whether used in embedded systems, telecommunications, computing, or industrial control applications, the AT28C256-15SI from Microchip Technology provides a reliable and flexible non-volatile memory solution that designers can trust to preserve critical data and enhance system performance.