The AT28C040-70PC is a high-performance, 4-megabit Parallel EEPROM memory component designed and manufactured by Microchip Technology. This device offers a significant amount of non-volatile storage and is ideal for applications that require data retention after power-off without the need for a battery backup.

Key Features:

• Memory Capacity: The AT28C040-70PC offers a substantial 4 Mbit (512K x 8) storage capacity, enabling the storage of large configurations or data sets.
• Speed: With an access time of 70ns, this EEPROM provides quick data retrieval, making it suitable for performance-intensive applications.
• Operating Voltage: It operates within a voltage range of 5V ± 10%, which is standard for many digital circuits, ensuring compatibility with a wide array of systems.
• Programming Mode: The device supports parallel programming mode, allowing for efficient data writing and updates.
• Endurance: It boasts a high endurance with 10,000 write cycles, ensuring a long operational life for applications that require frequent data changes.
• Data Retention: Data retention is rated at 10 years, providing reliable storage over an extended period.
• Package Type: The AT28C040-70PC is available in a 32-lead, 0.600" wide, plastic DIP package, making it easy to integrate into various PCB designs.

Applications:

The AT28C040-70PC is versatile and can be used in a range of applications, including:

• Firmware storage and updates for embedded systems
• Configuration parameters for network devices
• Code shadowing for faster processor boot
• Storage for look-up tables, device calibration data, and user-defined settings

Reliability and Quality:

Microchip Technology is renowned for its commitment to quality and reliability. The AT28C040-70PC is no exception and has been rigorously tested to meet industry standards for performance and durability. Users can trust this EEPROM to securely store their critical data with confidence.

For more detailed specifications and application support, it is recommended to consult the Microchip Technology website or contact their technical support team.