The M27C256B-12FI is a high-speed 256 Kbit EPROM (Erasable Programmable Read-Only Memory) developed by STMicroelectronics. This integrated circuit is well-suited for applications where reliable and durable non-volatile memory storage is essential. The device features a 32K x 8-bit organizational structure and is designed for microprocessor systems where fast and efficient data storage is crucial.

Key Features

• Memory Capacity: 256 Kbit (32K x 8)
• Access Time: 120 ns
• Single 5V Supply: Operates from a single 5V power supply with programmable voltage (VPP) for fast programming.
• Programming Voltage (VPP): 12.75V ± 0.25V
• Extended Temperature Range: The device operates within a temperature range of -40°C to +85°C, making it suitable for industrial applications.
• Package Type: Housed in a 28-pin CERDIP (Ceramic Dual In-line Package), the M27C256B-12FI is designed for durability and reliable performance in harsh environments.
• Two-Line Control Function: Features a two-line control function to simplify system design and minimize microprocessor I/O lines.
• ECOPACK® Compliant: The product is designed to meet the requirements of the European Union's Restriction of Hazardous Substances (RoHS) directive, ensuring an environmentally friendly manufacturing process.

Applications

The M27C256B-12FI is ideal for a wide range of applications that require a dependable non-volatile memory solution. Typical uses include:

• Embedded Systems
• Microcontroller Units (MCUs)
• Automotive Electronics
• Industrial Control Systems
• Telecommunication Devices
• Medical Equipment

Programming and Erasure

The device can be programmed and erased up to 1000 times, providing flexibility for development and updates. Programming is performed through a parallel programming algorithm, while erasure requires exposure to ultraviolet (UV) light, which clears the stored data, allowing the device to be reused.

For designers and engineers looking for a robust and reliable non-volatile memory solution, the STMicroelectronics M27C256B-12FI EPROM offers a blend of performance, durability, and environmental compliance, making it an excellent choice for a multitude of electronic applications.