AT25040B-SSHL-T

The AT25040B-SSHL-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. It is part of the AT25040B series and offers a storage capacity of 4 kilobits (512 x 8 bits). This EEPROM utilizes an SPI (Serial Peripheral Interface) protocol for communication, which is efficient for fast data transfers and is commonly used in embedded systems.
Key features include low-power operation, a wide voltage range (typically 1.8V to 5.5V), and endurance for up to 1 million write/erase cycles, making it suitable for applications that require frequent data updates. The chip comes in a variety of packages, with the SSHL-T designation indicating a specific lead-free, halogen-free package variant. Security features include write protection via a Write-Protect (WP) pin and a software write protection mechanism.
The AT25040B-SSHL-T is ideal for storing configuration data, calibration constants, and other small data sets in consumer electronics, automotive systems, and other applications where reliable non-volatile memory is essential.

The AT25040B-SSHL-T is a serial EEPROM chip. Equivalent products are usually other serial EEPROMs with similar specifications. Some potential equivalents include:
1. Microchip 25AA040A
2. STMicroelectronics M95040
3. ON Semiconductor CAT25C04
4. ROHM BR25H040
These alternatives typically have similar memory capacity, interface specifications, and voltage requirements, but always check the datasheet for compatibility with your specific application.

The AT25040B-SSHL-T is a 4Kb SPI Serial EEPROM from Microchip Technology. Key features include:
1. Memory Size: 4Kb (512 x 8 bits).
2. Interface: SPI (Serial Peripheral Interface) with clock speeds up to 10MHz.
3. Voltage Range: Operates between 1.8V to 5.5V, making it suitable for a variety of applications.
4. Write Protection: Includes write protect pin for hardware write protection.
5. Endurance: High endurance with over 1 million write cycles.
6. Data Retention: Offers data retention of 100 years.
7. Low Power Consumption: Features low standby and active current consumption.
8. Package: Available in 8-lead SOIC package.
9. Temperature Range: Supports a wide operating temperature range of -40°C to +85°C.
10. Security: Provides security features like block write protection.
11. Reliability: High reliability and performance for data storage.
These features make the AT25040B-SSHL-T ideal for applications requiring low power, high endurance, and reliable serial EEPROM storage.

The AT25040B-SSHL-T is a serial EEPROM from the AT25040B series, manufactured by Microchip Technology. This device features an 8-pin configuration, which is typical for devices in this category. The pin functions are as follows:
1. CS (Chip Select): Activates the device for communication.
2. SO (Serial Output): Outputs data from the EEPROM.
3. WP (Write Protect): Protects against inadvertent writes to the memory.
4. GND (Ground): Ground reference for the device.
5. SI (Serial Input): Inputs data to the EEPROM.
6. SCK (Serial Clock): Provides the clock pulses necessary for serial data communication.
7. HOLD: Suspends serial communication without resetting the SPI bus.
8. VCC: Power supply input for the device.
The AT25040B offers a 4K capacity (4096 bits or 512 bytes) and operates using the SPI (Serial Peripheral Interface) protocol. Its typical applications include data storage for configuration settings, logging, and other functions requiring non-volatile memory.

The AT25040B-SSHL-T is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Established in 1989 and headquartered in Chandler, Arizona, Microchip Technology specializes in the development and production of semiconductor products. These products are widely used in various applications including automotive, industrial, consumer electronics, and communications. The company is known for its innovation in integrated circuits and microcontrollers, offering a comprehensive portfolio that supports a broad range of performance and functional requirements.

The AT25040B-SSHL-T is a 4Kb SPI serial EEPROM memory chip commonly used in various applications requiring non-volatile data storage. Key application areas include:
1. Consumer Electronics: For storing user settings and configurations.
2. Industrial Equipment: In applications such as parameter storage and calibration data retention.
3. Automotive Systems: Utilized in infotainment systems and engine control units (ECUs) for data logging and configuration storage.
4. Medical Devices: For storing patient data and device settings securely.
5. Computing: In motherboards and peripheral devices for BIOS and firmware updates.
Its low power consumption and small package size make it suitable for compact and energy-efficient applications.

The AT25040B-SSHL-T is a serial EEPROM from Microchip Technology, and it is typically available in an 8-lead SOIC (Small Outline Integrated Circuit) package.