Microchip Technology AT28HC256-70TC Overview

The AT28HC256-70TC is a high-performance, 256K (32K x 8) parallel EEPROM from Microchip Technology, designed for applications that require fast and flexible non-volatile memory storage. With its 70ns access time, this EEPROM provides the speed necessary for high-speed microprocessors and the reliability expected from Microchip's EEPROM products.

Key Features

• Memory Size: 256K-bit (32K x 8)
• Access Time: 70 nanoseconds
• Operating Voltage: 5V ±10% for read and write operations
• Temperature Range: -40°C to +85°C, making it suitable for industrial applications
• Package: 28-lead, thin small-outline package (TSOP), providing space-saving advantages
• Endurance: 100,000 write cycles, ensuring long-term reliability for write-intensive applications
• Data Retention: Guaranteed for 10 years
• Fast Write Cycle Time: 10ms maximum, allowing quick updates to memory contents

Applications

The AT28HC256-70TC is ideally suited for a wide range of applications, such as:

• Embedded control systems
• Medical devices
• Industrial process control
• Automotive electronics
• Telecommunication infrastructure
• Consumer electronics

Product Advantages

This EEPROM device from Microchip offers several advantages for designers and engineers:

• High-Speed Operation: Meets the requirements of high-speed data environments.
• Easy Integration: The parallel interface ensures compatibility with most microcontrollers and processors, allowing for easy integration into existing designs.
• Low Power Consumption: CMOS technology ensures low power dissipation, which is critical for battery-operated devices.
• Flexible: The byte-write capability provides the flexibility to update data byte by byte, which is essential for parameter adjustments and data storage.

In conclusion, the AT28HC256-70TC from Microchip Technology is a robust and reliable EEPROM solution that offers high-speed data access, durability, and ease of use for a variety of electronic applications.