The W27E257P-10 is a high-speed CMOS Electrically Erasable and Programmable Read Only Memory (EEPROM) manufactured by Winbond Electronics. Organized as 32K x 8 bits, this 256K-bit EEPROM provides non-volatile data storage with a fast access time of 100 ns. Operating from a single 5V power supply, the W27E257P-10 combines low power consumption with reliable data retention, making it suitable for a variety of embedded systems and industrial applications.

Applications

• Embedded systems for storing boot code and configuration settings
• Industrial control systems for storing calibration parameters and operating instructions
• Consumer electronics devices for storing user preferences and firmware
• Telecommunications equipment for storing network configurations and device settings
• Data logging applications for storing sensor data and event logs

Features

• Fast Access Time: 100 ns
• Single 5V Power Supply
• Low Power Consumption: Active and Standby Modes
• 32K x 8 bit Organization
• Automatic Page Write Operation
• Data Protection Features to Prevent Accidental Writes
• High Endurance: Minimum 100,000 Erase/Write Cycles
• Data Retention: 10 Years
• TTL Compatible I/O
• Available in DIP and SOP Packages

Benefits

• Fast access times ensure quick data retrieval, improving overall system performance.
• Low power consumption makes it ideal for battery-powered and energy-sensitive applications.
• High endurance ensures data integrity and reliability even after numerous write/erase cycles.
• Automatic page write simplifies the programming process and reduces programming time.
• Data protection mechanisms prevent data corruption during power loss or voltage fluctuations.
• TTL compatible inputs and outputs allow for seamless integration with a wide range of microcontrollers and digital logic devices.
• Available in both DIP and SOP packages, offering flexibility in PCB design and assembly.

Technical Specifications

The W27E257P-10 operates on a 5V ± 10% power supply. It typically draws 30 mA in active mode and 10 μA in standby mode. The device supports both byte-write and page-write operations. The operating temperature range is between 0°C and 70°C. Package options include DIP (Dual In-line Package) and SOP (Small Outline Package). Note: Always refer to the official Winbond datasheet for the most accurate and up-to-date specifications.