AT24C16AY1-10YU-1.8-T

Product Overview

Category

AT24C16AY1-10YU-1.8-T 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: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: The AT24C16AY1-10YU-1.8-T has a storage capacity of 16 kilobits (2 kilobytes).
• Low power consumption: It operates at a low voltage of 1.8V, making it energy-efficient.
• Small package size: The chip is available in a compact package, allowing for space-saving designs.
• Reliable performance: It offers high-speed read and write operations with excellent data retention.

Package and Quantity

The AT24C16AY1-10YU-1.8-T is typically packaged in a small outline integrated circuit (SOIC) package. It is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Memory Capacity: 16 kilobits (2 kilobytes)
• Operating Voltage: 1.8V
• Interface: I2C (Two-wire Serial Interface)
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 100 years

Pin Configuration

The AT24C16AY1-10YU-1.8-T has 8 pins arranged as follows:

```

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| | | 1 2 3 4 5 | |_______________| | | | 6 7 8 | |_______________| ```

Pin Description: 1. A0: Address Input 2. A1: Address Input 3. A2: Address Input 4. GND: Ground 5. SDA: Serial Data Input/Output 6. SCL: Serial Clock Input 7. WP: Write Protect 8. VCC: Power Supply

Functional Features

• Random Access: Allows reading and writing of specific memory locations.
• Byte-Level Operations: Supports individual byte read and write operations.
• Page Write Mode: Enables faster data writes by allowing multiple bytes to be written in a single operation.
• Hardware Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Software Write Protection: Can be enabled through specific commands to prevent unauthorized modifications.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Electrically erasable and reprogrammable, providing flexibility for data updates.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package size allows for space-efficient designs.
• High-speed read and write operations enhance overall system performance.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per kilobit compared to larger capacity EEPROMs.
• Requires an I2C interface, which may not be compatible with all systems.

Working Principles

The AT24C16AY1-10YU-1.8-T utilizes electrically isolated floating gate transistors to store data. When a byte is written, charge is trapped in the floating gate, representing a logical "1." Erasing the data involves removing the trapped charge, returning the byte to a logical "0." The I2C interface allows for communication with the chip, enabling read and write operations.

Detailed Application Field Plans

The AT24C16AY1-10YU-1.8-T finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, firmware updates, and calibration values in microcontrollers.
2. Automotive Electronics: Employed for storing critical data such as vehicle identification numbers (VIN), mileage, and fault codes.
3. Industrial Control Systems: Utilized for storing parameter settings, event logs, and system configurations in PLCs and industrial controllers.
4. Consumer Electronics: Found in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, channel lists, and software updates.

Alternative Models

1. AT24C01A: 1 kilobit (128 bytes) capacity, compatible with the same I2C interface.
2. AT24C32: 32 kilobits (4 kilobytes) capacity, suitable for applications requiring higher storage capacity.
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