Microchip Technology, Inc. Memory 25LC256XT-E/ST

The 25LC256XT-E/ST is a 256 Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) from Quarktwin Technology Ltd. It operates on a supply voltage range of 2.5V to 5.5V and supports a maximum clock frequency of 10 MHz. The memory is organized in a 32,768 x 8-bit configuration with a 64-byte page size, allowing for efficient data handling. This EEPROM features low-power CMOS technology, with a maximum write current of 5 mA and a read current of 6 mA at 5.5V. It has a standby current of just 1 µA, making it suitable for power-sensitive applications. The device supports self-timed erase and write cycles, with a maximum time of 5 ms, and includes block write protection options. The 25LC256XT-E/ST is designed for high reliability, boasting an endurance of 1,000,000 erase/write cycles and a data retention period exceeding 200 years. It is also equipped with ESD protection greater than 4000V and is compliant with RoHS standards. The device is available in various package types, including 8-lead TSSOP, making it versatile for different applications.