AT24C64A-10TU-1.8-T

Product Overview

Category

AT24C64A-10TU-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 AT24C64A-10TU-1.8-T has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at a low voltage and consumes minimal power.
• Small form factor: The chip is available in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The AT24C64A-10TU-1.8-T is typically packaged in a small surface-mount 8-pin TSSOP (Thin Shrink Small Outline Package). It is commonly sold in reels or tubes containing multiple units.

Specifications

• Operating Voltage: 1.7V to 5.5V
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Pin Configuration

The AT24C64A-10TU-1.8-T features an 8-pin TSSOP package with the following pin configuration:

┌───┬───┐ │ 1 │ 8 │ │ 2 │ 7 │ │ 3 │ 6 │ │ 4 │ 5 │ └───┴───┘

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

Functional Features

• Random Access: Allows reading and writing of data at any memory location.
• Byte-Level Read/Write: Supports individual byte read and write operations.
• Page Write: Enables faster writing of multiple bytes within a page boundary.
• Software Write Protection: Provides the option to protect specific memory areas from being overwritten.
• Hardware Write Protection: Allows the entire memory array to be write-protected using the WP pin.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Electrically erasable nature allows for easy reprogramming.
• High storage capacity suitable for various applications.
• Low power consumption extends battery life in portable devices.
• Small form factor enables integration into space-constrained designs.

Disadvantages

• Limited maximum clock frequency compared to some other EEPROM chips.
• Relatively slower write cycle time may impact performance in certain applications.

Working Principles

The AT24C64A-10TU-1.8-T utilizes electrically isolated floating-gate transistors to store data. The stored information is retained by trapping charge within the floating gate, which can be erased or programmed through electrical signals. The chip communicates with the host device using a serial interface, allowing for easy integration into various systems.

Detailed Application Field Plans

The AT24C64A-10TU-1.8-T finds application in a wide range of electronic devices, including but not limited to: - Microcontrollers and embedded systems - Data loggers and sensor modules - Smart cards and identification systems - Industrial automation equipment - Automotive electronics - Consumer electronics

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to AT24C64A-10TU-1.8-T include: - AT24C32A-10PU-2.7: 32 kilobits EEPROM with a different package and operating voltage range. - CAT24C256WI-GT3: 256 kilobits EEPROM with a higher storage capacity. - M24C08-WMN6TP: 8 kilobits EEPROM with a smaller package size.

These alternatives offer varying specifications and package options, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the AT24C64A-10TU-1.8-T is a versatile EEPROM chip that provides non-volatile data storage with high capacity and low power consumption. Its small form factor and various functional features make it an ideal choice for a wide range of electronic applications.