AT21CS11-UU0B-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: High-speed, Low-power, Serial EEPROM
• Package: UDFN-8 (2x3 mm)
• Essence: Reliable and secure data storage solution
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Memory Size: 1 Kilobit (128 bytes)
• Interface: I2C-compatible (Two-wire Serial Interface)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 100 Years

Detailed Pin Configuration

The AT21CS11-UU0B-T IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power Supply Voltage | | 2 | SDA | Serial Data Input/Output | | 3 | SCL | Serial Clock Input | | 4 | WP | Write Protect Input | | 5 | GND | Ground | | 6 | NC | No Connection | | 7 | NC | No Connection | | 8 | NC | No Connection |

Functional Features

• High-speed data transfer with I2C interface
• Low power consumption for energy-efficient applications
• Built-in write protection mechanism (WP pin)
• Reliable data retention for long-term storage
• Compact package size for space-constrained designs

Advantages and Disadvantages

Advantages

• Fast and efficient data transfer using I2C interface
• Low power consumption extends battery life in portable devices
• Write protection feature prevents accidental data modification
• Reliable data retention ensures long-term storage integrity
• Small package size allows for flexible integration in various applications

Disadvantages

• Limited memory size (1 Kilobit) may not be sufficient for some applications requiring larger storage capacity
• Lack of additional features such as encryption or security mechanisms

Working Principles

The AT21CS11-UU0B-T is a non-volatile memory IC that utilizes an I2C-compatible interface for communication. It operates by sending and receiving serial data through the SDA pin and synchronizing the transfer with the clock signal provided on the SCL pin. The IC can be powered by a voltage supply ranging from 1.7V to 5.5V.

Data can be written to the memory cells using the I2C interface, and the write protection (WP) pin can be used to prevent accidental modifications. The IC offers high-speed data transfer and low power consumption, making it suitable for a wide range of applications.

Detailed Application Field Plans

The AT21CS11-UU0B-T IC finds applications in various fields, including but not limited to:

1. Consumer Electronics: Used for storing device configuration settings, user preferences, and firmware updates in smartphones, tablets, and wearable devices.
2. Automotive: Employed for storing critical data like vehicle identification numbers (VIN), mileage, and diagnostic information in automotive electronics.
3. Industrial Automation: Utilized for storing calibration data, sensor configurations, and system parameters in industrial control systems.
4. Medical Devices: Used for storing patient data, device settings, and firmware updates in medical equipment like infusion pumps and patient monitors.
5. Internet of Things (IoT): Integrated into IoT devices for storing sensor data, device identifiers, and network configurations.

Detailed and Complete Alternative Models

1. AT24C01A: 1 Kilobit I2C-compatible EEPROM with a similar pin configuration and package size.
2. CAT24C01: 1 Kilobit I2C Serial EEPROM with additional features like software write protection and partial page writes.
3. 24AA1025: 1 Megabit I2C Serial EEPROM with a larger memory capacity but compatible interface and package size.

These alternative models offer different memory capacities and additional features, providing flexibility for various application requirements.

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