The NM27C512N-200 is a 512K (64K x 8) UV Erasable Programmable Read-Only Memory (EPROM) manufactured by National Semiconductor, now Texas Instruments (TI). This EPROM provides non-volatile storage for embedded systems and other electronic applications requiring program or data storage.

Applications

• Embedded Systems: Used for storing firmware and application code in microcontrollers and microprocessors.
• Industrial Control Systems: Employed in programmable logic controllers (PLCs) and other industrial automation equipment for storing control algorithms and configuration data.
• Instrumentation: Found in test and measurement equipment for storing calibration data and system parameters.
• Telecommunications: Utilized in communication devices for storing configuration settings and boot code.
• Automotive Electronics: Used in automotive control systems for storing software and calibration data.

Features

• 512K Memory Capacity: Offers a larger memory capacity compared to smaller EPROMs, allowing for more complex programs and larger datasets.
• UV Erasable: Can be erased and reprogrammed using ultraviolet light, facilitating design iterations and software updates.
• 200ns Access Time: Provides a fast access time for quick data retrieval.
• JEDEC Standard Pinout: Compatible with industry-standard pinouts, simplifying integration and replacement.
• Three-State Output: Enables easy interfacing with microprocessor systems and other digital circuits.
• TTL Compatibility: Compatible with standard TTL logic levels.

Benefits

• Increased Storage Capacity: 512K memory allows for larger and more complex programs to be stored.
• Flexibility: UV erasability allows for easy reprogramming and design changes, reducing development time and costs.
• Reliability: Provides reliable non-volatile storage, ensuring data retention even when power is lost.
• Performance: Fast access time ensures quick data retrieval, improving system performance.
• Ease of Integration: JEDEC standard pinout simplifies design and integration with other components.

Additional Details

The NM27C512N-200 operates on a single 5V power supply and is available in a DIP package. It features automatic power-down, reducing power consumption when not actively being accessed. This EPROM is designed for applications requiring reliable non-volatile storage and ease of reprogramming. The operating temperature range is typically from 0°C to +70°C.