25AA160D-I/SN

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - Low-power consumption - High reliability and endurance - Small form factor - Wide operating voltage range - Easy to interface with microcontrollers

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25AA160D-I/SN is a serial EEPROM IC that provides non-volatile memory storage. It is commonly used in electronic devices for storing small amounts of data that need to be retained even when power is removed.

Packaging/Quantity: The 25AA160D-I/SN is available in a SOIC package, which stands for Small Outline Integrated Circuit. It is a surface-mount package that contains the integrated circuit. The quantity may vary depending on the supplier or manufacturer.

Specifications

• Memory Size: 16 kilobits (2 kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 200 years
• Package Type: SOIC-8

Detailed Pin Configuration

The 25AA160D-I/SN has 8 pins in the SOIC package:

1. Chip Select (/CS) - Used to enable or disable the device for communication.
2. Serial Clock (SCK) - Provides the clock signal for synchronous communication.
3. Serial Data Input (SI) - Data input line for sending commands and data to the device.
4. Serial Data Output (SO) - Data output line for receiving data from the device.
5. Write Protect (/WP) - Used to protect the memory from being written.
6. VCC - Power supply voltage input.
7. Ground (GND) - Ground reference for the device.
8. Hold (/HOLD) - Used to pause serial communication temporarily.

Functional Features

• Byte and Page Write Operations: The 25AA160D-I/SN supports both byte and page write operations, allowing flexible data storage.
• Sequential Read: It allows sequential read of up to 25 bytes, reducing the number of commands required for reading multiple data.
• Software Protection: The write protect feature can be enabled to prevent accidental modification of stored data.
• Self-Timed Erase/Write Cycle: The device automatically manages the erase and write cycles, simplifying the programming process.
• High-Speed SPI Interface: The SPI interface enables fast and efficient communication with microcontrollers.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even without power. - Low-power consumption makes it suitable for battery-powered devices. - Small form factor saves space on PCBs. - Wide operating voltage range allows compatibility with various systems. - Easy integration with microcontrollers through the SPI interface.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Slower write speed compared to some other memory types. - Vulnerable to electromagnetic interference due to its small size.

Working Principles

The 25AA160D-I/SN is based on EEPROM technology, which uses floating gate transistors to store data. When data needs to be written, an electrical charge is applied to the floating gate, trapping electrons and altering the transistor's behavior. This change in behavior represents a binary value (0 or 1). To read the data, the transistor's behavior is analyzed, allowing retrieval of the stored information.

Detailed Application Field Plans

The 25AA160D-I/SN is widely used in various electronic devices and systems, including but not limited to: - Consumer electronics (e.g., TVs, set-top boxes, remote controls) - Automotive electronics (e.g., infotainment systems, engine control units) - Industrial automation (e.g., PLCs, motor control) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - Internet of Things (IoT) devices (e.g., smart home devices, wearable technology)

Detailed and Complete Alternative Models

Some alternative models to the 25AA160D-I/SN include: - AT24C02: A similar serial EEPROM IC with a capacity of 2 kilobits. - CAT24C256: A larger capacity serial EEPROM IC with 256 kilobits. - M93C46: Another serial EEPROM IC with a capacity of 1 kilobit.

These alternative models offer different storage capacities and may have variations in specifications and pin configurations. The choice of alternative model depends on the specific requirements of the application.

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