25LC040AT-I/SN

The 25LC040AT-I/SN is a 4 Mbit (512 K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It uses a SPI (Serial Peripheral Interface) protocol for communication, making it suitable for a variety of applications including data storage in embedded systems, consumer electronics, and automotive devices.
Key features include a wide operating voltage range (2.5V to 5.5V), low power consumption, and fast access times. It supports various operation modes, including standard and high-speed modes, enabling efficient data transfer. The device is available in multiple package options, allowing for flexibility in design.
Additionally, the 25LC040AT-I/SN includes features like write protection, multiple byte programming, and support for sequential reads, making it versatile for various applications requiring non-volatile memory. Its reliability and performance make it a popular choice in the development of applications that require stable data storage.

The 25LC040AT-I/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device with the following key features:
1. Memory Capacity: 4 Kbit or 512 bytes of user memory.
2. Interface: SPI (Serial Peripheral Interface) for fast communication, supporting clock speeds up to 20 MHz.
3. Voltage Range: Operates on a supply voltage of 2.5V to 5.5V, making it suitable for a variety of applications.
4. Data Retention: Offers a data retention period of over 100 years.
5. Endurance: Supports at least 1 million write/erase cycles per memory cell.
6. Package Options: Available in various packages, including SOIC, TSSOP, and DFN.
7. Low Power Consumption: Features low active and standby current for energy efficiency.
8. Write Protection: Includes a hardware write protection feature to prevent accidental writes.
9. Temperature Range: Suitable for use in industrial applications with a temperature range of -40°C to +85°C.
These features make the 25LC040AT-I/SN ideal for applications such as data storage, configuration settings, and firmware storage.

The 25LC040AT-I/SN is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) form factor. It features a small footprint suitable for surface-mount applications, making it ideal for compact electronic designs.

The 25LC040AT-I/SN is a serial EEPROM chip that features a total of 8 pins. Below are the pin assignments and their functions:
1. VSS: Ground reference.
2. VCC: Supply voltage (typically 2.5V to 5.5V).
3. SCK: Serial Clock Input - used to synchronize data transfer.
4. SI: Serial Data Input - used for sending data to the chip.
5. SO: Serial Data Output - used for receiving data from the chip.
6. CS: Chip Select - active low input used to enable the chip.
7. WP: Write Protect - active low input that prevents write operations when asserted.
8. HOLD: Hold Input - active low input to pause the serial communication.
The 25LC040AT-I/SN is commonly used for storing small amounts of data in embedded systems or other applications requiring non-volatile memory.

The manufacturer of the 25LC040AT-I/SN is Microchip Technology Inc. Microchip is a prominent semiconductor company that specializes in designing and manufacturing microcontrollers, digital signal controllers, and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. The 25LC040AT-I/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device, commonly used for data storage and retrieval in various electronic applications. Microchip is known for its focus on innovation, reliability, and high-quality products, catering to both low-power and high-performance requirements in embedded systems.

The 25LC040AT-I/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) used in various applications, including data storage for microcontrollers, configuration settings, firmware storage, and calibration data in consumer electronics, automotive systems, industrial controls, and medical devices. Its serial interface allows for easy integration into systems requiring non-volatile memory for storing small amounts of data that need to be retained after power loss.

The 25LC040AT-I/SN is a 4 Mbit serial EEPROM. Equivalent products include:
1. 25LC040A (without the industrial temperature range designation)
2. 25LC040 (similar functionality)
3. AT25040 (from Microchip)
4. M95040 (from STMicroelectronics)
5. CAT25040 (from ON Semiconductor)
Always verify specific electrical characteristics and pin configurations when considering replacements.