Compact I2C EEPROM memory chips in TSOT-23 package for data storage
Manufacturer: onsemi
# Introduction to the CAT24C02TDI - GT3A Product Series
## 1. Overview
The CAT24C02TDI - GT3A belongs to a family of high - performance Electrically Erasable Programmable Read - Only Memory (EEPROM) products. EEPROMs are non - volatile memory devices, which means they can retain stored data even when the power supply is removed. This makes them ideal for a wide range of applications where data integrity and long - term storage are crucial.
## 2. Key Features
### 2.1 Memory Capacity
The CAT24C02TDI - GT3A offers a memory capacity of 2 kilobits (2Kb), which is equivalent to 256 bytes. This capacity is suitable for storing various types of data, such as configuration settings, calibration data, and small - scale user information in many electronic systems.
### 2.2 I²C Interface
It utilizes the widely adopted Inter - Integrated Circuit (I²C) interface. The I²C interface is a serial communication protocol that allows multiple devices to be connected to the same bus using only two wires: a serial data line (SDA) and a serial clock line (SCL). This simplifies the hardware design, reduces the number of pins required on the microcontroller, and enables easy integration into existing systems. The I²C interface also supports multi - master and multi - slave communication, providing flexibility in system architecture.
### 2.3 Low Power Consumption
One of the significant advantages of the CAT24C02TDI - GT3A is its low power consumption. It is designed to operate efficiently in battery - powered devices or systems where power management is a critical concern. The device has a low standby current, which helps to extend the battery life of portable devices. Additionally, it enters a low - power mode when not actively being accessed, further conserving energy.
### 2.4 High - Speed Operation
The CAT24C02TDI - GT3A supports high - speed data transfer rates. It can operate at clock frequencies up to 400 kHz in the standard mode and up to 1 MHz in the fast mode. This high - speed operation allows for quick read and write operations, reducing the overall system latency and improving the performance of applications that require frequent data access.
### 2.5 Write Protection
The device features a write - protection mechanism that provides an additional layer of data security. The write - protection pin can be used to disable write operations to the memory, preventing accidental or unauthorized data modification. This is particularly useful in applications where the stored data needs to be protected, such as in industrial control systems or automotive electronics.
### 2.6 Endurance and Data Retention
The CAT24C02TDI - GT3A offers a high endurance rating, typically supporting up to 1 million write cycles. This means that the device can withstand a large number of write operations over its lifetime, making it suitable for applications that require frequent data updates. In addition, it has a long data retention period of up to 200 years at normal operating temperatures, ensuring the integrity of the stored data over an extended period.
## 3. Package and Pin Configuration
The CAT24C02TDI - GT3A is available in a small - outline integrated circuit (SOIC) package. The SOIC package is a popular choice for surface - mount applications due to its compact size and ease of assembly. The device has a standard pin configuration that is compatible with other similar EEPROM devices, making it easy to replace or upgrade in existing designs.
## 4. Applications
### 4.1 Consumer Electronics
In consumer electronics, the CAT24C02TDI - GT3A can be used
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