24AA64X/ST

Product Overview

Category

The 24AA64X/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: The data can be erased and reprogrammed electronically.
• High storage capacity: The 24AA64X/ST has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at low voltage and consumes minimal power.
• Reliable: The EEPROM technology ensures reliable data retention and endurance.

Package

The 24AA64X/ST is available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of the 24AA64X/ST lies in its ability to provide non-volatile data storage in a compact and efficient manner.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: Up to 200 years

Detailed Pin Configuration

The 24AA64X/ST features an 8-pin configuration:

1. VCC: Power supply voltage
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. WP: Write protect input
5. A0: Address input bit 0
6. A1: Address input bit 1
7. A2: Address input bit 2
8. GND: Ground

Functional Features

• Sequential Read: Allows for sequential reading of multiple memory locations.
• Write Protection: The WP pin can be used to protect the data from being overwritten.
• Software Write Protection: Additional software-based write protection is available.
• Page Write: Enables writing multiple bytes in a single write operation, improving efficiency.
• Self-Timed Programming Cycle: Simplifies programming by eliminating the need for external timing.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• High storage capacity for various applications.
• Low power consumption extends battery life in portable devices.
• Compact package size enables integration into space-constrained designs.
• Reliable data retention and endurance ensure long-term usability.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to volatile memory types.
• Higher cost per byte compared to some alternative memory solutions.

Working Principles

The 24AA64X/ST utilizes EEPROM technology, which allows for electrically erasing and reprogramming data. It consists of an array of memory cells that store bits of information using floating-gate transistors. When data needs to be written or erased, the appropriate voltage levels are applied to the memory cells, altering their charge states. This allows for non-volatile storage of data.

Detailed Application Field Plans

The 24AA64X/ST finds application in various fields, including:

1. Microcontrollers: Used for storing program code, configuration settings, and calibration data.
2. Embedded Systems: Provides non-volatile storage for critical system parameters and user data.
3. Consumer Electronics: Enables data storage in devices such as smart TVs, set-top boxes, and audio systems.
4. Automotive Electronics: Used for storing vehicle-specific data, firmware updates, and configuration settings.

Detailed and Complete Alternative Models

1. 24AA64-I/P: Similar to the 24AA64X/ST but available in a DIP package.
2. 24AA64T-I/OT: Offers the same functionality as the 24AA64X/ST but operates at lower voltage levels.
3. 24AA64X-I/SN: Surface-mount variant with extended temperature range.

These alternative models provide similar features and capabilities, allowing users to choose the most suitable option based on their specific requirements.

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