25LC640AT-E/SN

The 25LC640AT-E/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It is part of the 25XX series, which provides non-volatile memory storage with a variety of capacity and communication options. Specifically, the 25LC640AT offers 64 Kbits (8KB) of memory organized in 8,192 x 8-bit architecture, making it suitable for small data storage in embedded systems.
Key features include:
- Communication Interface: Uses the SPI (Serial Peripheral Interface) protocol for data transfer, allowing for high-speed communication.
- Voltage Range: Operates at a voltage range of 1.8V to 5.5V, providing flexibility for different power supply levels.
- Write Protection: Includes hardware write-protection features to prevent inadvertent memory writes.
- High Endurance: Offers robust data retention with endurance of over one million write cycles and a data retention capability of over 200 years.
- Package Type: The "E/SN" in its name indicates it comes in an 8-pin SOIC package.
The 25LC640AT-E/SN is ideal for applications requiring reliable storage, such as configuration settings, logging, and small-scale data storage.

The 25LC640AT-E/SN is a 64Kb Serial EEPROM from Microchip Technology. Equivalent products include the AT25M02 from Adesto Technologies, M95M02 from STMicroelectronics, and W25X40 from Winbond. These alternatives offer similar SPI interfaces and memory capacities but may vary slightly in terms of features and specifications such as write protection and operating voltage ranges. Always verify compatibility with your specific application requirements before substituting components.

The 25LC640AT-E/SN is a 64 Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) from Microchip Technology. Key features include:
1. Memory Organization: It offers 8,192 bytes of memory organized as 64 pages of 32 bytes each.
2. Interface: Utilizes a Serial Peripheral Interface (SPI) bus for communication, supporting SPI modes 0 and 3.
3. Operating Voltage: Functions within a voltage range of 1.8V to 5.5V.
4. Low Power Consumption: Designed for low power usage, with standby and active mode consumption optimized for battery-powered applications.
5. Read and Write Operations: Allows byte-level and page-level write operations, with a 3 ms typical write cycle time.
6. Write Protection: Features block write protection to safeguard data.
7. Temperature Range: Operational across an extended temperature range from -40°C to +85°C, suitable for industrial applications.
8. Package: Offered in an 8-pin SOIC package.
These features make it suitable for applications requiring reliable and efficient non-volatile memory storage.

The 25LC640AT-E/SN is an 8-pin serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device manufactured by Microchip Technology. It has the following pin configuration and functions:
1. CS (Chip Select): Activates the device. When this pin is brought low, the device is selected for communication.
2. SO (Serial Data Out): Outputs data during read operations.
3. WP (Write Protect): Used to enable/disable write protection. When held low, it protects certain parts of the memory from being written.
4. VSS: Ground reference for the device.
5. SI (Serial Data In): Inputs data during write operations.
6. SCK (Serial Clock): Provides the clock signal necessary to synchronize data transfers.
7. HOLD: Temporarily pauses serial communication without resetting the device. When held low, the device enters the hold state.
8. VCC: Power supply pin.
This EEPROM utilizes SPI (Serial Peripheral Interface) for communication and offers a storage capacity of 64 Kbits. It is used in applications requiring non-volatile memory storage.

The 25LC640AT-E/SN is manufactured by Microchip Technology Inc. Microchip is a leading American company that specializes in the design and manufacture of microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The company provides a wide range of microcontroller and analog products, and it is renowned for its comprehensive solutions that include development tools, memory products, and more. Microchip serves various industries, including automotive, consumer electronics, industrial, and telecommunications, by offering products that enhance performance, efficiency, and innovation in electronic designs.

The 25LC640AT-E/SN is a 64Kb Serial EEPROM memory chip commonly used in applications requiring reliable non-volatile data storage. Key application areas include:
1. Consumer Electronics: For storing user settings and preferences.
2. Industrial Automation: Used in data logging and configuration storage.
3. Automotive Systems: For infotainment system settings and diagnostics.
4. Medical Devices: To retain calibration data and patient information.
5. Communication Equipment: Storing firmware and configuration settings.
6. IoT Devices: For secure storage of device credentials and operational data.
Its low power consumption and high endurance make it suitable for various embedded systems.

The 25LC640AT-E/SN is a 64Kb SPI Serial EEPROM, and it comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.