25LC040AT-I/SN

The 25LC040AT-I/SN is a 4Kb SPI Bus Serial EEPROM memory chip manufactured by Microchip Technology. It is designed for applications requiring non-volatile memory storage with a small footprint. The chip features a standard Serial Peripheral Interface (SPI) for easy interfacing with microcontrollers and other digital devices. It operates with a supply voltage range of 1.8V to 5.5V, making it versatile for various power supply conditions. This EEPROM provides a reliable data retention of over 200 years and supports more than 1 million erase/write cycles, ensuring longevity and durability.
The 25LC040AT-I/SN is organized as 512 x 8 bits, providing byte-level read and write access. It supports sequential and random read operations, as well as write protection features to safeguard data integrity. The chip is available in an 8-pin SOIC package, making it suitable for space-constrained applications. Typical use cases include data logging, configuration storage, and calibration data retention in consumer electronics, automotive systems, and industrial applications. Its low power consumption and robust performance make it an ideal choice for embedded systems requiring reliable non-volatile memory.

The 25LC040AT-I/SN is a 4Kb SPI Serial EEPROM. Equivalent products include:
1. AT93C46 from Microchip/Atmel.
2. M95M04 from STMicroelectronics.
3. CAT24C04 from ON Semiconductor.
4. 24LC04B from Microchip.
5. BR24G04 from Rohm Semiconductor.
These alternatives have similar memory size and interface compatibility, but ensure to check specific electrical characteristics and packaging to confirm suitability.

The 25LC040AT-I/SN is a Serial Electrically Erasable PROM (EEPROM) featuring a 4Kb (kilobit) memory, organized as 512 x 8 bits. It operates with a low-voltage range from 2.5V to 5.5V, making it suitable for various applications. The EEPROM uses the SPI (Serial Peripheral Interface) bus for communication, which facilitates efficient and fast data transfer.
Some key features include:
1. SPI Compatibility: Supports modes 0 and 3 for flexible interfacing.
2. Write Protection: Includes a write-protect pin and block protection to safeguard data integrity.
3. High Endurance: Offers a high write endurance of up to 1,000,000 cycles and data retention of over 200 years.
4. Low-Power Operation: Features low standby and active currents, making it energy-efficient.
5. Small Package: Available in an 8-pin SOIC package, suitable for space-constrained designs.
6. Fast Write Cycle: Supports byte and page write operations, with a page size of 16 bytes.
These features make the 25LC040AT-I/SN ideal for applications requiring reliable and persistent storage with minimal power consumption.

The 25LC040AT-I/SN is a 4Kb SPI Bus Serial EEPROM from Microchip Technology. It features an 8-pin configuration. The pin functions are as follows:
1. CS (Chip Select): Activates the device for SPI communication.
2. SO (Serial Data Out): Outputs data from the EEPROM.
3. WP (Write-Protect): Protects against inadvertent writes to the EEPROM.
4. VSS: Ground reference for the device.
5. SI (Serial Data In): Inputs data into the EEPROM.
6. SCK (Serial Clock): Clocks the data in and out of the device.
7. HOLD: Pauses any serial communication without resetting the clock.
8. VCC: Power supply voltage for the EEPROM.
This EEPROM is commonly used in applications requiring non-volatile memory storage with SPI interface compatibility.

The 25LC040AT-I/SN is manufactured by Microchip Technology Inc. Microchip Technology is a publicly-traded American company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. The company is known for providing a wide range of semiconductor products and solutions that are used in various applications across automotive, industrial, consumer, and computing markets. Microchip emphasizes reliability and performance in its products, making it a prominent player in the electronics industry.

The 25LC040AT-I/SN is a 4Kb SPI serial EEPROM commonly used in applications requiring non-volatile memory storage. Its small size and low power consumption make it ideal for embedded systems, consumer electronics, and industrial equipment. Typical application areas include data logging, where it stores sensor data or system parameters; configuration settings storage, such as in network devices or IoT gadgets; and firmware updates or boot code storage in microcontroller-based systems. It is also used in automotive electronics for storing calibration data and in medical devices for maintaining device settings or patient data. Its reliable performance in harsh environments suits it for use in aerospace and military applications.

The 25LC040AT-I/SN is a 4Kb SPI (Serial Peripheral Interface) EEPROM from Microchip Technology, packaged in an 8-pin SOIC (Small Outline Integrated Circuit).