AT25040-10PI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT25040-10PI is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) IC. It is commonly used for non-volatile storage of small amounts of data in various electronic devices.

Characteristics: - Low power consumption - High reliability - Small form factor - Easy to integrate into circuit designs

Package: The AT25040-10PI is available in an 8-pin DIP (Dual Inline Package) format, which allows for easy soldering onto printed circuit boards.

Essence: This IC provides a cost-effective solution for storing and retrieving data in electronic systems that require non-volatile memory.

Packaging/Quantity: The AT25040-10PI is typically sold in reels or tubes containing multiple units, making it suitable for mass production.

Specifications

• Memory Size: 4 Kilobits (512 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Pin Configuration

The AT25040-10PI has the following pin configuration:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 4 │ 5 │ └───┴───┘

Pin Description: 1. Chip Select (CS): Used to enable/disable communication with the IC. 2. Serial Clock (SCK): Provides the clock signal for data transfer. 3. Master Input Slave Output (MISO): Transmits data from the IC to the master device. 4. Ground (GND): Reference ground for the IC. 5. Serial Data Input/Output (SDI/O): Bi-directional data line for communication. 6. Write Protect (WP): Allows write protection of the memory. 7. VCC: Power supply voltage. 8. Serial Data Output (SDO): Transmits data from the master device to the IC.

Functional Features

• Byte-level read and write operations
• Page write mode for faster data transfers
• Software and hardware write protection options
• Sequential read mode for efficient data retrieval
• Self-timed programming cycle for simplified operation

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High reliability ensures data integrity over extended periods. - Small form factor allows for space-efficient integration into circuit designs. - Easy to use and program, even for novice users.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Slower write speeds compared to some alternative models. - Vulnerable to electromagnetic interference due to its serial interface.

Working Principles

The AT25040-10PI operates based on the principles of EEPROM technology. It utilizes a floating gate transistor structure to store and retrieve data. The stored information remains intact even when the power is removed, making it non-volatile memory.

The IC communicates with the host device using the Serial Peripheral Interface (SPI) protocol. This allows for simple and efficient data transfer between the IC and the controlling device.

Detailed Application Field Plans

The AT25040-10PI finds applications in various electronic systems that require non-volatile memory storage. Some common application fields include:

1. Consumer Electronics: Used in devices such as smart TVs, set-top boxes, and audio players for storing configuration data, user preferences, and firmware updates.
2. Automotive: Employed in automotive electronics for storing critical data like mileage, vehicle settings, and error logs.
3. Industrial Control Systems: Integrated into industrial control systems to store calibration data, device parameters, and event logs.
4. Medical Devices: Utilized in medical devices for storing patient information, device settings, and usage logs.

Detailed and Complete Alternative Models

1. AT25080A-10PU: 8 Kilobit (1 kilobyte) capacity EEPROM IC with similar characteristics and package.
2. AT25160N-10SI-2.7: 16 Kilobit (2 kilobytes) capacity EEPROM IC with extended operating temperature range and smaller package size.
3. AT25320B-10TU-2.5: 32 Kilobit (4 kilobytes) capacity EEPROM IC with lower power consumption and faster write speeds.

These alternative models offer increased storage capacity or additional features while maintaining compatibility with the AT25040-10PI's pin configuration