The NMC27C32BQ is a 32,768-bit (4096 x 8) CMOS EPROM (Erasable Programmable Read-Only Memory) manufactured by National Semiconductor, now part of Texas Instruments (TI). This memory device is designed for applications requiring non-volatile storage of data or program code, allowing for easy reprogramming and updates. Its CMOS technology provides low power consumption and high noise immunity.

Applications

• Embedded systems
• Microcontroller program storage
• Firmware storage
• Industrial control systems
• Instrumentation
• Consumer electronics

Features

• 32,768-bit (4096 x 8) organization
• CMOS technology for low power consumption
• Erasable and reprogrammable
• Fast access time (typically 250ns)
• Single +5V power supply
• TTL compatible inputs and outputs
• Three-state output

Benefits

• Non-volatile storage of data and code
• Easy reprogramming and updates
• Low power consumption for battery-powered applications
• Fast access time for quick data retrieval
• Compatibility with standard TTL logic

Technical Specifications

The NMC27C32BQ operates from a single +5V power supply. The typical access time is around 250ns, allowing for fast data retrieval. The programming voltage is typically 12.5V. The device features three-state outputs, enabling easy memory expansion. The operating temperature range is typically 0°C to +70°C. This EPROM is commonly packaged in a 24-pin DIP (Dual In-line Package).

The NMC27C32BQ provides a reliable and flexible solution for non-volatile data storage in a variety of applications. Its erasability and reprogrammability enable easy updates and modifications. Texas Instruments provides datasheets with detailed electrical characteristics and programming information to assist designers in utilizing this memory device effectively.