Encyclopedia Entry: 25AA160D-I/MS

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - 16 Kbit (2K x 8) capacity - Low power consumption - High-speed performance - Wide operating voltage range - Small form factor

Package: MSOP (Mini Small Outline Package)

Essence: The 25AA160D-I/MS is a serial EEPROM IC that provides non-volatile memory storage. It is commonly used in various electronic devices for data storage and retrieval.

Packaging/Quantity: The 25AA160D-I/MS is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 16 Kbit (2K x 8)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 200 years
• Write Endurance: 1,000,000 cycles

Detailed Pin Configuration

The 25AA160D-I/MS IC has a total of 8 pins, which are 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): Used to input data into the device.
4. Serial Data Output (SO): Outputs data from the device.
5. Write Protect (/WP): Allows write protection for the memory array.
6. VCC: Power supply voltage input.
7. Ground (GND): Ground reference for the IC.
8. Hold (/HOLD): Used to pause serial communication temporarily.

Functional Features

• Byte and Page Write Operations: Allows individual byte or page (up to 32 bytes) write operations.
• Sequential Read Operation: Supports sequential read operation for efficient data retrieval.
• Software Protection: Provides software protection of memory array to prevent accidental writes.
• Self-Timed Erase/Write Cycle: Automatically manages erase and write cycles, simplifying operation.
• Hardware Write Protection: Allows hardware protection of the entire memory array using the /WP pin.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for portable devices. - High-speed performance enables quick data access. - Wide operating voltage range allows compatibility with various systems. - Long data retention period ensures reliable storage.

Disadvantages: - Limited storage capacity compared to other memory options. - Requires a specific interface (SPI) for communication.

Working Principles

The 25AA160D-I/MS utilizes EEPROM technology to store data. It employs a floating gate transistor structure that can be electrically programmed and erased. The device uses a serial interface (SPI) to communicate with the host system, enabling easy integration into various applications.

Detailed Application Field Plans

The 25AA160D-I/MS is widely used in the following applications: 1. Consumer Electronics: Smartphones, tablets, digital cameras, and portable media players. 2. Automotive: Infotainment systems, dashboard displays, and engine control units. 3. Industrial Automation: Programmable logic controllers (PLCs), sensors, and data loggers. 4. Medical Devices: Patient monitoring systems, medical imaging equipment, and diagnostic devices. 5. Internet of Things (IoT): Connected devices, smart home automation, and wearable devices.

Detailed and Complete Alternative Models

1. 25AA320A-I/MS: 32 Kbit (4K x 8) capacity, similar features and package.
2. 25AA640A-I/MS: 64 Kbit (8K x 8) capacity, similar features and package.
3. 25AA128A-I/MS: 128 Kbit (16K x 8) capacity, similar features and package.

These alternative models offer increased memory capacity while maintaining compatibility with the 25AA160D-I/MS in terms of pin configuration, interface, and package.

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