AT25256T2-10TI-2.7

Product Overview

Category

AT25256T2-10TI-2.7 belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is commonly used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable and programmable: Allows for easy modification of stored data.
• High storage capacity: The AT25256T2-10TI-2.7 offers a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: Designed to operate with minimal power requirements.
• Wide operating voltage range: Supports operation within the range of 2.7V to 5.5V.

Package

The AT25256T2-10TI-2.7 comes in a small form factor package, typically a Thin Small Outline Package (TSOP), which ensures compatibility with various circuit board designs.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in electronic devices, enabling them to retain critical information even during power cycles or system shutdowns.

Packaging/Quantity

The AT25256T2-10TI-2.7 is usually packaged in reels or tubes, containing a specific quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Operating Voltage Range: 2.7V to 5.5V
• Interface: Serial Peripheral Interface (SPI)
• Maximum Clock Frequency: 10 MHz
• Write Endurance: 1,000,000 cycles
• Data Retention: 100 years

Detailed Pin Configuration

The AT25256T2-10TI-2.7 has a standard pin configuration as follows:

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

Functional Features

• High-speed data transfer: The SPI interface allows for fast and efficient communication between the chip and the host device.
• Hardware write protection: The Write Protect (WP) pin can be used to protect the stored data from accidental modification.
• Software write protection: The chip supports software-based write protection, allowing specific memory areas to be locked or unlocked as needed.
• Sequential and random read modes: The AT25256T2-10TI-2.7 offers both sequential and random read modes, providing flexibility in accessing stored data.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity during power cycles or system shutdowns.
• Easy to program and modify data using the SPI interface.
• Compact package size allows for integration into various electronic devices.
• Wide operating voltage range enables compatibility with different power supply systems.

Disadvantages

• Limited storage capacity compared to other EEPROM options.
• Relatively slower write speeds compared to some other memory technologies.
• Vulnerable to electromagnetic interference (EMI) due to its small form factor.

Working Principles

The AT25256T2-10TI-2.7 utilizes electrically erasable and programmable memory cells to store data. These memory cells consist of floating-gate transistors that can be electrically charged or discharged to represent binary values (0 or 1). The stored data can be modified by applying appropriate voltage levels to the memory cells through the SPI interface.

Detailed Application Field Plans

The AT25256T2-10TI-2.7 finds applications in various fields, including:

1. Microcontrollers: Used for storing program code, configuration settings, and calibration data.
2. Computers: Employed in BIOS (Basic Input/Output System) chips for storing system firmware and settings.
3. Consumer Electronics: Utilized in devices such as smart TVs, set-top boxes, and digital cameras for storing user preferences, firmware updates, and log data.

Detailed and Complete Alternative Models

1. AT25DF321A: A 32-megabit Serial Flash Memory with similar features and pin configuration.
2. CAT24C256: A 256-kilobit I2C EEPROM offering compatibility with the I2C communication protocol.
3. M93C86: An 8-kilobit Microwire EEPROM suitable for low-power applications.

These alternative models provide similar functionality to the AT25256T2-10TI-2.7 and can be considered based on specific project requirements.

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