The M27C256B-20C1 is a high-speed 256 Kbit EPROM (Erasable Programmable Read-Only Memory) chip produced by STMicroelectronics. This product is renowned for its reliability and versatility, making it an ideal choice for a wide range of applications that require data storage that can be electrically erased and reprogrammed.

Key Features

• Memory Size: 256 Kbit (32K x 8)
• Access Time: 200 ns
• Single 5V Supply: The device operates on a single 5V power supply, making it compatible with many standard systems.
• Programming Voltage: 12.75V ± 0.25V
• Extended Temperature Range: The product is designed to operate within a temperature range of -40°C to +125°C, ensuring functionality in extreme conditions.
• Package: Available in a 28-pin Ceramic DIP (Dual In-line Package), making it robust for various environments.
• Low Power Consumption: Features low power "standby" and "active" modes to ensure efficient energy usage.

Applications

The M27C256B-20C1 is suitable for a multitude of applications where reliable and erasable non-volatile memory storage is critical. These applications include:

• Firmware storage for embedded systems
• Device configuration data storage
• Boot code storage in computers and other digital systems
• Storage for lookup tables, calibration data, or any other application requiring frequent or in-field updates

Quality and Reliability

STMicroelectronics is committed to delivering high-quality products. The M27C256B-20C1 EPROM is manufactured with this commitment in mind, ensuring high reliability and performance consistency. The device also comes with a set of mode selection functions, including programming, verification, and standby modes, which contribute to its flexibility in various usage scenarios.

Additional Information

For more detailed information about the M27C256B-20C1, including programming algorithms, data retention, and cycling endurance, please refer to the datasheet and technical documentation provided by STMicroelectronics. These resources offer in-depth insights into the operational characteristics and application guidelines for this EPROM.