25AA160B-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-speed operation - Wide operating voltage range - Small package size

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25AA160B-I/SN is a serial EEPROM IC that provides non-volatile memory storage. It is commonly used in various electronic devices to store configuration data, calibration values, and other important information.

Packaging/Quantity: The 25AA160B-I/SN is available in a SOIC package and is typically sold in reels of 2500 units.

Specifications

• Memory Size: 16 Kbits (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

Detailed Pin Configuration

The 25AA160B-I/SN has a total of 8 pins:

1. Chip Select (CS) - Used to enable/disable the device for communication.
2. Serial Clock (SCK) - Provides the clock signal for data transfer.
3. Serial Data Input (SI) - Used to input data into the device.
4. Serial Data Output (SO) - Outputs data from the device during read operations.
5. Ground (GND) - Connected to the ground reference of the system.
6. Write Protect (WP) - Allows write protection of the memory array.
7. Hold (HOLD) - Suspends serial communication temporarily.
8. Power Supply (VCC) - Connected to the power supply of the system.

Functional Features

• Byte and Page Write Operations: Allows individual byte or page (up to 64 bytes) write operations.
• Sequential Read: Supports sequential read operations for faster data retrieval.
• Software Protection: Provides software protection by enabling write protection of the memory array.
• Hardware Protection: Supports hardware protection by using the Write Protect (WP) pin.
• Low Power Consumption: Designed for low-power applications, ensuring efficient energy usage.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide operating voltage range enables compatibility with various systems. - High-speed operation facilitates quick data transfer. - Long data retention period ensures data integrity over extended periods. - Low-power consumption prolongs battery life in portable devices.

Disadvantages: - Limited storage capacity compared to larger EEPROMs. - Requires an external microcontroller or host device for communication.

Working Principles

The 25AA160B-I/SN operates based on the principles of EEPROM technology. It utilizes a floating gate transistor structure to store and retrieve data. When data is written, an electric charge is trapped in the floating gate, altering the transistor's behavior. This charge can be removed during an erase operation, allowing the transistor to return to its original state. The stored data remains intact even when power is disconnected.

Detailed Application Field Plans

The 25AA160B-I/SN finds application in various fields, including but not limited to: 1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for configuration storage. 2. Automotive: Employed in automotive electronics for storing calibration values, firmware updates, and vehicle settings. 3. Industrial Automation: Utilized in industrial control systems for parameter storage and device configuration. 4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and calibration values. 5. Internet of Things (IoT): Incorporated into IoT devices for data logging, device identification, and firmware updates.

Detailed and Complete Alternative Models

1. 25AA320B-I/SN: Similar to the 25AA160B-I/SN but with a larger memory size of 32 Kbits.
2. 25LC256-I/SN: Offers a higher memory capacity of 256 Kbits and supports both SPI and I2C interfaces.
3. AT24C02C-SSHM-T: An alternative IC with a 2 Kbit memory capacity and an I2C interface.

These alternative models provide options with varying memory capacities and interface compatibility, allowing designers to choose the most suitable option for their specific requirements.

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