24AA1025T-I/SN

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory storage
• Characteristics:
  • Low power consumption
  • High reliability
  • Wide operating voltage range
  • Small package size
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 1 Mbit (128 Kbytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24AA1025T-I/SN IC has a total of 8 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | A0 | Address Input Bit 0 | | 2 | A1 | Address Input Bit 1 | | 3 | A2 | Address Input Bit 2 | | 4 | VSS | Ground | | 5 | SDA | Serial Data Input/Output | | 6 | SCL | Serial Clock Input | | 7 | WP | Write Protect Input | | 8 | VCC | Power Supply |

Functional Features

• Byte and Page Write Modes
• Sequential Read Mode
• Software Write Protection
• Self-timed Erase and Write Cycles
• Hardware Write Protection via WP pin
• 32-byte Page Write Buffer

Advantages

• High storage capacity (1 Mbit)
• Low power consumption, suitable for battery-powered devices
• Wide operating voltage range allows compatibility with various systems
• Reliable data retention for long periods
• Small package size saves board space

Disadvantages

• Limited write endurance (1 Million cycles)
• Relatively slower write and erase times compared to other memory technologies

Working Principles

The 24AA1025T-I/SN is an EEPROM IC that stores data using electrically isolated floating-gate transistors. It utilizes the I2C interface for communication with the microcontroller or host system. The IC supports byte and page write modes, allowing data to be written in small chunks or larger pages. It also features software and hardware write protection mechanisms to prevent accidental modification of stored data.

Detailed Application Field Plans

The 24AA1025T-I/SN IC finds applications in various fields, including: 1. Consumer Electronics: Used for storing configuration settings, user preferences, and firmware updates in devices like TVs, set-top boxes, and audio systems. 2. Automotive: Used for storing vehicle-specific data, such as mileage, service history, and calibration settings in electronic control units (ECUs). 3. Industrial Automation: Used for storing calibration data, production parameters, and device configurations in programmable logic controllers (PLCs) and industrial sensors. 4. Medical Devices: Used for storing patient data, device settings, and firmware updates in medical equipment like infusion pumps, patient monitors, and diagnostic devices.

Detailed and Complete Alternative Models

1. 24LC1025: Similar specifications and functionality, offered by Microchip Technology.
2. AT24C1024: Comparable EEPROM IC from Atmel Corporation.
3. CAT24C1024: Alternative option provided by ON Semiconductor.

These alternative models offer similar storage capacities and functionalities, providing flexibility for different design requirements.

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