STMicroelectronics WS27C256L-20DMB EEPROM

The WS27C256L-20DMB is a high-speed, 256 Kilobit Electrically Erasable Programmable Read-Only Memory (EEPROM) chip designed and manufactured by STMicroelectronics. This EEPROM device offers a robust storage solution for applications that require data retention without power, rapid access times, and the flexibility of in-circuit reprogramming. It is an ideal choice for a wide range of applications, including embedded systems, automotive electronics, industrial control systems, and telecommunications equipment.

Key Features:

• Density: The device offers a storage capacity of 256 Kilobits, organized as 32,768 words of 8 bits each, providing ample space for firmware storage, configuration parameters, or any other data that requires non-volatile memory.
• Access Time: With an access time of 200 nanoseconds, the WS27C256L-20DMB allows for rapid data retrieval, contributing to the overall speed and efficiency of the systems in which it is deployed.
• Operating Voltage: The device operates within a voltage range of 4.5V to 5.5V, making it compatible with a wide variety of digital circuits and microcontroller-based systems.
• Programming Voltage: A 12.5V programming voltage ensures reliable writing to the EEPROM, which is critical for the integrity of the data stored.
• Endurance: The EEPROM is designed for high endurance, with each cell capable of being erased and reprogrammed up to 10,000 times, ensuring a long operational lifespan.
• Data Retention: Data retention is guaranteed for a minimum of 10 years, allowing for long-term storage of critical data without the need for periodic refreshing.
• Temperature Range: The operating temperature range of the device is from -40°C to +85°C, ensuring reliable performance under a broad spectrum of environmental conditions.
• Packaging: The WS27C256L-20DMB is available in a 28-pin DIP package, which is widely used and easily integrated into standard printed circuit board designs.

STMicroelectronics' commitment to quality and reliability is evident in the WS27C256L-20DMB EEPROM. Its comprehensive set of features and robust design make it a versatile and dependable choice for designers looking to incorporate non-volatile memory into their electronic systems.