The UPD27C2001D-15 is a 2-Megabit (256K x 8) CMOS EPROM (Erasable Programmable Read-Only Memory) manufactured by NEC. It is designed for applications requiring non-volatile storage of program code or data, providing a higher density option compared to smaller EPROMs.

Applications

• Embedded Systems: Storage of program code and configuration data in various embedded systems.
• Industrial Control: Retaining critical parameters and control algorithms in industrial equipment.
• Telecommunications Equipment: Storing firmware and configuration settings in telecom devices.
• Consumer Electronics: Used in devices such as printers, scanners, and other peripherals to store firmware.
• Automotive Electronics: Storing calibration data and control software in automotive control units.

Features

• High Density: 2-Megabit storage capacity for storing large amounts of data or code.
• High Speed: Access time of 150 ns allows for quick data retrieval.
• CMOS Technology: Low power consumption, suitable for battery-backed applications.
• UV Erasable: Can be erased using ultraviolet light and reprogrammed.
• Single 5V Power Supply: Requires only a single 5V power supply for operation.
• TTL Compatible: Compatible with standard TTL logic levels.

Benefits

• Non-Volatile Memory: Data is retained even when power is removed.
• Reprogrammable: UV erasure and reprogramming allow for easy updates and modifications.
• Low Power: CMOS technology minimizes power consumption.
• Reliable: Offers dependable data storage for critical applications.
• Cost-Effective: Provides a cost-efficient solution for non-volatile memory needs.

Additional Details

The UPD27C2001D-15 typically comes in a 32-pin DIP or surface-mount package. Programming requires a dedicated EPROM programmer and adherence to the manufacturer's specified programming algorithm and voltage levels. Proper UV erasure techniques should be employed before reprogramming to ensure complete data removal. Consult the datasheet for precise electrical characteristics and programming specifications. The operating temperature range typically spans from 0°C to 70°C.