CAT1021LI25

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: Low-power, Serial EEPROM
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 1 Kbit (128 x 8 bits)
• Interface: I2C (Inter-Integrated Circuit) compatible
• Supply 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

1. A0: Address Input
2. A1: Address Input
3. GND: Ground
4. SDA: Serial Data Input/Output
5. SCL: Serial Clock Input
6. WP: Write Protect Input
7. VCC: Supply Voltage
8. NC: No Connection

Functional Features

• Low power consumption for battery-operated devices
• I2C interface allows easy integration with microcontrollers
• Write protection feature prevents accidental data modification
• High reliability with 1 million write endurance cycles
• Long-term data retention of up to 100 years

Advantages

• Compact package size enables space-saving designs
• Wide supply voltage range allows compatibility with various systems
• Easy-to-use I2C interface simplifies communication with other devices
• Reliable performance ensures data integrity in critical applications

Disadvantages

• Limited memory capacity may not be suitable for large-scale data storage
• Slow write speed compared to other non-volatile memory technologies
• Vulnerable to electromagnetic interference due to the small package size

Working Principles

The CAT1021LI25 is an electrically erasable programmable read-only memory (EEPROM) that utilizes I2C interface for communication. It stores data in non-volatile memory cells, which can be electrically erased and reprogrammed. The device operates by sending commands and data through the serial clock (SCL) and serial data (SDA) lines. The write protect (WP) pin allows users to enable or disable write operations to protect stored data.

Detailed Application Field Plans

• Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems for storing configuration settings and user preferences.
• Automotive: Employed in automotive infotainment systems, instrument clusters, and electronic control units (ECUs) for data storage and firmware updates.
• Industrial Automation: Integrated into industrial control systems, PLCs (Programmable Logic Controllers), and sensors for parameter storage and calibration data.
• Medical Devices: Utilized in medical equipment such as patient monitors and diagnostic devices for storing patient data and device configurations.

Detailed and Complete Alternative Models

• CAT24C01: 1 Kbit I2C Serial EEPROM
• AT24C01: 1 Kbit Two-Wire Serial EEPROM
• 24AA01: 1 Kbit I2C-Compatible Serial EEPROM
• M24C01: 1 Kbit I2C Bus EEPROM

(Note: These alternative models have similar specifications and functionalities to the CAT1021LI25)

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