The X25642S8-2.7 is a 64Kbit Serial SPI EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Xicor Inc. (now part of Intersil, which is now part of Renesas). It's organized as 8192 words by 8 bits. This EEPROM is designed for non-volatile data storage in a variety of applications, offering low-power operation and high endurance.

Applications

• Configuration storage in electronic devices
• Data logging in industrial equipment
• Parameter storage in embedded systems
• Serial number storage
• Calibration data storage

Features

• Memory Size: 64Kbit (8192 x 8)
• Interface: SPI (Serial Peripheral Interface)
• Supply Voltage: 2.7V
• Low Power Consumption
• Endurance: 1 Million Erase/Write Cycles
• Data Retention: 100 Years
• Operating Temperature Range: -40°C to +85°C

Benefits

• Non-volatile storage ensures data retention even when power is off.
• Low power consumption extends battery life in portable devices.
• SPI interface simplifies communication with microcontrollers.
• High endurance allows for frequent data updates.
• Wide operating temperature range ensures reliable performance in harsh environments.

Additional Details

The X25642S8-2.7 EEPROM chip is designed for applications where non-volatile data storage is required, and power consumption is a concern. Its SPI interface allows for easy communication with microcontrollers and other digital devices. The chip operates on a 2.7V supply voltage, making it suitable for low-voltage applications. The low power consumption of the device is particularly advantageous in battery-powered applications, such as portable devices and handheld instruments.

The EEPROM is designed to withstand a high number of erase/write cycles, ensuring long-term reliability. The data retention capability guarantees that data will be preserved for many years, even in harsh environments. The wide operating temperature range ensures reliable operation in industrial and automotive environments. The chip supports standard SPI protocols, simplifying interfacing with other digital components. It is commonly used in applications where configuration data, calibration parameters, or other critical information needs to be stored reliably and non-volatily.