Encyclopedia Entry: 93AA86A-I/ST

Product Overview

Category

The 93AA86A-I/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: Retains stored data even when power is removed.
• Electrically erasable: Allows for easy modification of stored data.
• Programmable: Can be written and rewritten multiple times.
• Compact size: Designed to fit into small electronic devices.
• Low power consumption: Operates efficiently with minimal energy requirements.

Package

The 93AA86A-I/ST is available in a surface-mount package (ST) which facilitates easy integration onto printed circuit boards (PCBs).

Essence

The essence of this product lies in its ability to provide reliable and flexible data storage solutions for electronic devices, ensuring data integrity and ease of use.

Packaging/Quantity

The 93AA86A-I/ST is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory capacity: 8,192 bits (1,024 bytes)
• Operating voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: Up to 1 million write cycles
• Data retention: Up to 200 years

Detailed Pin Configuration

The 93AA86A-I/ST has a standard pin configuration consisting of eight pins:

1. Chip Select (/CS): Enables communication with the chip.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (DI): Receives data for programming or reading.
4. Serial Data Output (DO): Transmits data during read operations.
5. Write Protect (/WP): Allows protection against accidental writes.
6. VCC: Power supply voltage input.
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Suspends ongoing operations temporarily.

Functional Features

• Sequential read and write operations: Allows for efficient data transfer.
• Software and hardware write protection: Ensures data integrity and security.
• Self-timed programming cycle: Simplifies the programming process.
• Built-in error detection and correction: Enhances data reliability.
• High-speed clock frequency support: Enables fast data transfer rates.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Electrically erasable and programmable, allowing for easy updates.
• Compact size enables integration into small electronic devices.
• Low power consumption prolongs battery life in portable devices.
• High endurance and long data retention period ensure product longevity.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower read and write speeds compared to volatile memory.
• Susceptible to electromagnetic interference and physical damage.

Working Principles

The 93AA86A-I/ST utilizes a combination of electronic circuits and semiconductor technology to store and retrieve data. It employs a floating gate transistor structure that allows for electrical modification of stored data. The data is written by applying specific voltage levels to the memory cells, and it can be erased by applying higher voltages. During read operations, the stored data is retrieved by sensing the electrical state of each memory cell.

Detailed Application Field Plans

The 93AA86A-I/ST finds applications in various fields, including but not limited to:

1. Automotive electronics: Used for storing vehicle configuration data, mileage records, and fault codes.
2. Industrial automation: Employed in programmable logic controllers (PLCs) for storing program instructions and data logs.
3. Consumer electronics: Integrated into smart devices, wearables, and home appliances for data storage purposes.
4. Medical devices: Utilized for storing patient information, device settings, and diagnostic data.
5. Internet of Things (IoT): Incorporated into IoT devices for data logging, sensor calibration, and firmware updates.

Detailed and Complete Alternative Models

1. 93AA86B-I/ST: Similar to the 93AA86A-I/ST with enhanced write endurance and extended temperature range.
2. 93LC86A-I/ST: Offers higher storage capacity but with slightly slower read and write speeds.
3. 25AA080D-I/ST: SPI-compatible alternative with larger memory capacity and faster operation.

(Note: The above list is not exhaustive and may vary based on specific requirements and availability.)

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