25AA080B-I/SN

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM Memory

Characteristics: - Low-power consumption - High-speed performance - Small form factor - Reliable data retention - Easy integration with microcontrollers

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25AA080B-I/SN is a non-volatile serial EEPROM memory chip that provides reliable and high-speed data storage for various electronic devices.

Packaging/Quantity: The 25AA080B-I/SN is typically packaged in reels, containing 2,000 units per reel.

Specifications

• Memory Size: 8 kilobits (1 kilobyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 25AA080B-I/SN has an 8-pin configuration as follows:

1. Chip Select (/CS) - Used to enable or disable the device.
2. Serial Clock (SCK) - Provides the clock signal for data transfer.
3. Serial Data Input (SI) - Receives data from the microcontroller.
4. Serial Data Output (SO) - Transmits data to the microcontroller.
5. Write Protect (/WP) - Allows write protection of the memory.
6. VCC - Power supply input.
7. Ground (GND) - Ground reference.
8. Hold (/HOLD) - Suspends serial communication temporarily.

Functional Features

• Byte-level Read and Write Operations: Allows individual byte read and write operations, providing flexibility in data manipulation.
• Sequential Read: Supports sequential read operations, enabling efficient retrieval of consecutive memory locations.
• Software Protection: Provides software write protection to prevent accidental modification of stored data.
• Write Enable Latch (WEL): Ensures proper write operations by latching the write enable status.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High-speed performance allows for quick data access. - Small form factor enables integration into space-constrained designs. - Reliable data retention ensures long-term storage of critical information. - Easy integration with microcontrollers simplifies system design.

Disadvantages: - Limited memory size may not be sufficient for certain applications requiring larger storage capacity. - Lack of built-in security features may pose a risk in sensitive applications.

Working Principles

The 25AA080B-I/SN utilizes the Serial Peripheral Interface (SPI) protocol to communicate with a microcontroller. It stores data in non-volatile memory cells that retain information even when power is disconnected. The device can be accessed using specific commands sent through the SPI interface, allowing read and write operations at the byte level.

Detailed Application Field Plans

The 25AA080B-I/SN is widely used in various electronic devices and systems, including but not limited to: - Consumer electronics - Industrial automation - Automotive applications - Medical devices - Internet of Things (IoT) devices

In consumer electronics, it can be found in smart TVs, set-top boxes, gaming consoles, and home appliances. In industrial automation, it is utilized in programmable logic controllers (PLCs), sensors, and control systems. Automotive applications include engine management systems, infotainment systems, and instrument clusters. Medical devices such as patient monitors and diagnostic equipment also benefit from its reliable data storage capabilities. Additionally, the 25AA080B-I/SN finds application in IoT devices, enabling data logging and configuration storage.

Detailed and Complete Alternative Models

• 25AA040B-I/SN: 4 kilobits (512 bytes) memory size
• 25AA160B-I/SN: 16 kilobits (2 kilobytes) memory size
• 25AA320B-I/SN: 32 kilobits (4 kilobytes) memory size
• 25AA640B-I/SN: 64 kilobits (8 kilobytes) memory size

These alternative models offer different memory sizes to cater to various application requirements while maintaining similar functionality and characteristics as the 25AA080B-I/SN.

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