FT24C256A-USG-B

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory storage
• Characteristics: High capacity, low power consumption, small form factor
• Package: SOP-8 (Small Outline Package)
• Essence: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Capacity: 256 kilobits (32 kilobytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The FT24C256A-USG-B IC has a total of 8 pins arranged in a SOP-8 package. The pin configuration is as follows:

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

Functional Features

• Byte-wise Read and Write Operations
• Random and Sequential Read Modes
• Page Write Buffer for Efficient Writes
• Software Write Protection
• Hardware Write Protection via WP Pin
• Self-timed Write Cycle
• Acknowledge Polling and Interrupts for Communication Status

Advantages

• High storage capacity allows for storing large amounts of data
• Low power consumption extends battery life in portable devices
• Small form factor enables integration into compact designs
• Wide operating voltage range provides flexibility in various applications
• Long data retention ensures data integrity over extended periods

Disadvantages

• Limited write cycle endurance may require careful management in certain applications
• Relatively slower write speed compared to other memory technologies
• Vulnerable to electrical noise and interference due to the serial interface

Working Principles

The FT24C256A-USG-B is an EEPROM that utilizes electrically controlled floating gate transistors to store and retrieve data. It employs the I2C protocol for communication, allowing for easy integration with microcontrollers and other devices. The memory cells are organized into a grid of rows and columns, with each cell capable of storing one bit of information. Data can be written or read byte-wise, and the IC supports both random and sequential access modes.

Detailed Application Field Plans

The FT24C256A-USG-B is widely used in various electronic devices and systems, including but not limited to: - Consumer Electronics: Smartphones, tablets, digital cameras, portable media players - Automotive: Infotainment systems, instrument clusters, advanced driver-assistance systems (ADAS) - Industrial Control: Programmable logic controllers (PLCs), human-machine interfaces (HMIs), data loggers - Medical Devices: Patient monitoring systems, medical imaging equipment, diagnostic devices - Internet of Things (IoT): Smart home automation, wearable devices, sensor networks

Detailed and Complete Alternative Models

• AT24C256: Similar capacity EEPROM from Atmel (Microchip Technology Inc.)
• CAT24C256: Competing EEPROM from ON Semiconductor
• M24C256: Equivalent EEPROM from STMicroelectronics
• 24AA256: Serial EEPROM from Microchip Technology Inc.

These alternative models offer similar functionality and compatibility with the I2C interface, providing options for different sourcing preferences and availability.

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