AT25080B-TH-B

Product Overview

Category

AT25080B-TH-B belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, automotive systems, consumer electronics, and industrial applications.

Characteristics

• Non-volatile memory: The AT25080B-TH-B retains data even when power is removed.
• High storage capacity: This chip has a storage capacity of 8 kilobits (1 kilobyte).
• Serial interface: It communicates using the Serial Peripheral Interface (SPI) protocol.
• Low power consumption: The AT25080B-TH-B operates at low power levels, making it suitable for battery-powered devices.
• Wide temperature range: It can operate reliably in temperatures ranging from -40°C to +85°C.

Package

The AT25080B-TH-B comes in a small form factor package, typically a Thin Small Outline Package (TSOP). The package provides protection and easy integration into circuit boards.

Essence

The essence of the AT25080B-TH-B is its ability to store and retrieve data reliably in a compact and efficient manner. It offers a cost-effective solution for applications requiring non-volatile memory.

Packaging/Quantity

The AT25080B-TH-B is usually packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package varies but is typically in the range of hundreds or thousands of units.

Specifications

• Memory Capacity: 8 kilobits (1 kilobyte)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 100 years
• Write Endurance: 1 million write cycles

Detailed Pin Configuration

The AT25080B-TH-B has a standard pin configuration for SPI EEPROMs. It typically consists of the following pins:

1. Chip Select (CS): Used to enable or disable the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the chip.
4. Serial Data Output (SO): Outputs data from the chip.
5. Write Protect (WP): Optional pin for write protection.
6. VCC: Power supply voltage.
7. Ground (GND): Ground reference.

Functional Features

• Byte-level Read and Write Operations: The AT25080B-TH-B allows individual byte-level read and write operations, providing flexibility in data manipulation.
• Block Write Protection: It supports hardware-based block write protection, allowing specific memory blocks to be write-protected to prevent accidental modification.
• Sequential Read Mode: This mode enables fast consecutive reads without the need for repeated address transmissions, improving overall data access speed.
• Software Write Protection: The chip can be software write-protected using specific commands, adding an additional layer of security to prevent unauthorized modifications.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for various applications.
• High data retention and endurance ensure long-term reliability.
• Wide operating temperature range allows usage in harsh environments.
• Cost-effective solution for non-volatile memory requirements.

Disadvantages

• Limited storage capacity compared to larger EEPROM chips.
• Slower write speeds compared to other types of memory, such as Flash memory.

Working Principles

The AT25080B-TH-B operates based on the principles of EEPROM technology. It uses floating gate transistors to store charge, representing binary data. The stored charge can be read, modified, or erased using specific electrical signals. The Serial Peripheral Interface (SPI) protocol facilitates communication between the chip and the host device.

Detailed Application Field Plans

The AT25080B-TH-B finds applications in various fields, including: 1. Microcontrollers: Used for storing program code, configuration data, and calibration values. 2. Automotive Systems: Employed for storing vehicle settings, sensor data, and diagnostic information. 3. Consumer Electronics: Utilized in devices like smartwatches, digital cameras, and home automation systems for data storage. 4. Industrial Applications: Used in industrial control systems, measurement devices, and data loggers for non-volatile memory requirements.

Detailed and Complete Alternative Models

Some alternative models to the AT25080B-TH-B include: - AT25040B-TH-B: A lower capacity variant with 4 kilobits of memory. - AT25128B-TH-B: A higher capacity variant with 128 kilobits of memory. - AT24C02C-TH-B: An I2C-compatible EEPROM with 2 kilobits of memory.

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