AT25256A-10TU-2.7

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data Storage

Characteristics: - Non-volatile memory - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - 256 Kbit (32 Kbyte) capacity - SPI (Serial Peripheral Interface) communication protocol - Low power consumption - Wide operating voltage range - High reliability and endurance

Package: TU (Thin Small Outline Package)

Essence: AT25256A-10TU-2.7 is a serial EEPROM IC used for data storage in various electronic devices. It offers non-volatile memory capabilities, allowing data to be retained even when power is removed.

Packaging/Quantity: The AT25256A-10TU-2.7 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage Range: 1.8V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Endurance: 1 million write cycles
• Clock Frequency: Up to 20 MHz
• Interface: SPI (Serial Peripheral Interface)
• Memory Organization: 32,768 x 8 bits
• Write Time: 5 ms (typical)
• Package Dimensions: 8-pin Thin Small Outline Package (TSOP)

Detailed Pin Configuration

The AT25256A-10TU-2.7 has the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SI/SO)
4. Write Protect (/WP)
5. Ground (GND)
6. VCC (Power Supply)
7. Hold (/HOLD)
8. Serial Output (SO)

Functional Features

• High-speed data transfer using SPI protocol
• Byte-level read and write operations
• Software and hardware write protection options
• Low power consumption in standby mode
• Automatic page write and erase functions
• Sequential read mode for faster data retrieval
• Chip select and hold functions for control flexibility

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even during power loss - Wide operating voltage range allows compatibility with various systems - High reliability and endurance for long-term data storage - Compact package size for space-constrained applications - Low power consumption extends battery life in portable devices

Disadvantages: - Limited storage capacity compared to larger EEPROM or flash memory chips - Slower write times compared to some other memory technologies - Requires an external microcontroller or host device for communication and control

Working Principles

The AT25256A-10TU-2.7 operates based on the principles of EEPROM technology. It utilizes a floating gate transistor structure to store and retrieve data. The serial interface allows for easy integration with microcontrollers or other host devices, enabling efficient data transfer and manipulation.

Detailed Application Field Plans

The AT25256A-10TU-2.7 is widely used in various electronic devices that require non-volatile data storage. Some common application fields include:

1. Consumer Electronics:

   • Smartphones and tablets
   • Digital cameras
   • Portable media players

2. Automotive Systems:

   • Engine control units
   • Infotainment systems
   • Instrument clusters

3. Industrial Equipment:

   • Programmable logic controllers (PLCs)
   • Measurement and control devices
   • Data loggers

4. Communication Devices:

   • Routers and switches
   • Network storage devices
   • Wireless modules

Detailed and Complete Alternative Models

1. AT25256B-SSHL-T: Similar to AT25256A-10TU-2.7, but in a smaller 8-pin SOIC package.
2. AT25DF256A-SH-T: Serial flash memory IC with the same capacity and SPI interface.
3. CAT25256VI-GT3: Competing serial EEPROM IC from another manufacturer.

These alternative models offer similar functionality and can be considered as replacements or alternatives to the AT25256A-10TU-2.7 based on specific requirements and compatibility considerations.

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