Encyclopedia Entry: 25AA1024-I/W16K

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - High-density storage - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - Low power consumption - Small form factor - Reliable data retention

Package: SOP (Small Outline Package)

Essence: The 25AA1024-I/W16K is a serial EEPROM IC that provides high-density non-volatile memory storage in a small and efficient package.

Packaging/Quantity: The 25AA1024-I/W16K is typically sold in reels, with each reel containing 2,000 units.

Specifications

• Memory Size: 1,048,576 bits (128 kilobytes)
• Organization: 131,072 x 8 bits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V to 5.5V
• Maximum Clock Frequency: 10 MHz
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 25AA1024-I/W16K has a total of 8 pins:

1. Chip Select (/CS): Enables communication with the IC when set low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the master device.
4. Serial Data Output (SO): Transmits data to the master device.
5. Write Protect (/WP): When set low, protects the memory from write operations.
6. Hold (/HOLD): Pauses ongoing operations when set low.
7. VCC: Power supply voltage (1.8V to 5.5V).
8. Ground (GND): Common ground reference.

Functional Features

• Byte and Page Write Operations: Allows individual byte or page (up to 256 bytes) write operations.
• Sequential Read: Supports sequential read of up to 256 bytes.
• Software Protection: Provides software protection against accidental write or erase operations.
• Write Enable Latch: Ensures data integrity during write operations.
• Self-Timed Erase and Write Cycles: Simplifies programming and operation timing.

Advantages and Disadvantages

Advantages: - High-density storage capacity - Low power consumption - Small form factor - Reliable data retention - Easy integration with SPI interface

Disadvantages: - Limited maximum clock frequency compared to some other EEPROMs - Lack of built-in security features

Working Principles

The 25AA1024-I/W16K operates based on the principles of EEPROM technology. It utilizes a floating gate transistor structure to store and retrieve data. The memory cells can be electrically programmed and erased, allowing non-volatile data storage even when power is removed.

Detailed Application Field Plans

The 25AA1024-I/W16K is widely used in various applications, including but not limited to: 1. Consumer Electronics: Smartphones, tablets, digital cameras, and portable media players. 2. Automotive: Infotainment systems, instrument clusters, and body control modules. 3. Industrial Automation: Programmable logic controllers (PLCs), human-machine interfaces (HMIs), and data loggers. 4. Medical Devices: Patient monitoring systems, diagnostic equipment, and medical imaging devices. 5. Internet of Things (IoT): Connected devices, sensors, and smart home automation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 25AA1024-I/W16K include: - AT25SF041: Manufactured by Adesto Technologies. - CAT24C256: Manufactured by ON Semiconductor. - M95M02: Manufactured by STMicroelectronics.

These alternative models provide comparable features and can be considered as substitutes depending on specific requirements.

---

Word Count: 536 words