AT25256T2-10TC

Product Overview

Category

AT25256T2-10TC belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuits.

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 memory: The AT25256T2-10TC retains stored data even when power is removed.
• High storage capacity: This EEPROM has a capacity of 256 kilobits (32 kilobytes).
• Serial interface: It utilizes a serial communication protocol for data transfer.
• Low power consumption: The AT25256T2-10TC operates at low voltage levels, making it energy-efficient.
• Fast access time: It offers quick read and write operations, ensuring efficient data handling.

Package and Quantity

The AT25256T2-10TC is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing multiple units.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Pin Configuration

The AT25256T2-10TC features an 8-pin SOIC package with the following pin configuration:

1. Chip Select (/CS): Enables or disables the device for communication.
2. Serial Clock (SCK): Provides the clock signal for synchronous data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the EEPROM.
4. Serial Data Output (SO): Transfers data from the EEPROM to the microcontroller.
5. Write Protect (/WP): Protects the memory from accidental write operations.
6. VCC: Power supply voltage input.
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Suspends ongoing operations temporarily.

Functional Features

• Byte and Page Write Operations: The AT25256T2-10TC supports both byte-level and page-level write operations, allowing flexible data storage.
• Sequential Read: It enables sequential read operations, facilitating efficient retrieval of stored data.
• Software Protection: The device offers software protection mechanisms to prevent unauthorized access or modification of stored data.
• Hardware Write Protection: The /WP pin can be used to enable or disable write operations, providing an additional layer of security.

Advantages and Disadvantages

Advantages

• High storage capacity for various applications.
• Low power consumption, suitable for battery-powered devices.
• Fast access time ensures efficient data handling.
• Software and hardware protection mechanisms enhance data security.

Disadvantages

• Limited write endurance compared to other non-volatile memory technologies.
• Relatively higher cost per bit compared to some alternative memory solutions.

Working Principles

The AT25256T2-10TC utilizes a Serial Peripheral Interface (SPI) protocol for communication with the microcontroller. It stores data in non-volatile memory cells that can be electrically erased and reprogrammed. The device operates by receiving commands and data from the microcontroller through the SPI interface, which are then written or read from the memory array. The stored data can be accessed and modified as required, providing reliable and persistent storage.

Application Field Plans

The AT25256T2-10TC finds application in various fields, including: 1. Automotive electronics: Used for storing configuration data, calibration parameters, and event logs in automotive control units. 2. Industrial automation: Employed for storing device configuration, user settings, and event logs in programmable logic controllers (PLCs) and industrial sensors. 3. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for firmware storage, user profiles, and system settings.

Alternative Models

1. AT25DF321A: A 32-megabit SPI flash memory with similar characteristics and pin configuration.
2. CAT24C256: A 256-kilobit I2C EEPROM offering compatibility with the I2C communication protocol.
3. M95M02-DRMN6TP: A 2-megabit SPI EEPROM with extended temperature range and higher endurance.

These alternative models provide similar functionality and can be considered as substitutes for the AT25256T2-10TC in various applications.

Word count: 618 words