AT25640T2-10TC

Product Overview

Category

AT25640T2-10TC belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT25640T2-10TC retains stored data even when power is removed.
• High capacity: This memory chip has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Fast access time: The AT25640T2-10TC provides quick read and write operations.
• Reliable: It offers high endurance and data retention capabilities.
• Wide temperature range: This product can operate reliably in extreme temperature conditions.
• RoHS compliant: The AT25640T2-10TC is free from hazardous substances.

Package and Quantity

The AT25640T2-10TC 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
• Data Retention: Up to 100 years
• Endurance: 1 million write cycles

Pin Configuration

The AT25640T2-10TC 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 (Supply Voltage)
7. Hold (/HOLD)
8. Serial Output (SO)

Functional Features

• Byte and Page-level Read and Write Operations: The AT25640T2-10TC allows reading and writing of data at both the byte and page level.
• Sequential Read Mode: This mode enables continuous reading of multiple bytes without the need for repeated address input.
• Software Protection: The write protect pin (/WP) can be used to prevent accidental modification of stored data.
• Hardware Protection: The hold pin (/HOLD) allows pausing ongoing operations without losing data.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for various applications.
• Low power consumption prolongs battery life in portable devices.
• Fast access time enhances overall system performance.
• Wide temperature range makes it suitable for harsh environments.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternative models.
• Requires a compatible interface (SPI) for communication with the host device.

Working Principles

The AT25640T2-10TC utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping charges within floating gate transistors, which can be electrically programmed or erased. The stored charge determines the logic state of each memory cell, allowing data to be retained even when power is removed.

Application Field Plans

The AT25640T2-10TC finds application in various fields, including: 1. Automotive electronics: Used for storing configuration data, firmware, and calibration parameters in automotive control units. 2. Industrial automation: Enables data logging, parameter storage, and firmware updates in industrial control systems. 3. Consumer electronics: Utilized in smart TVs, set-top boxes, and audio/video equipment for data storage and firmware updates. 4. Medical devices: Stores patient data, device configurations, and software updates in medical equipment. 5. Internet of Things (IoT): Supports data storage and firmware updates in IoT devices such as sensors, smart meters, and home automation systems.

Alternative Models

• AT25SF041: 4-megabit SPI serial flash memory.
• AT24C256: 256-kilobit I2C-compatible EEPROM.
• AT45DB321D: 32-megabit SPI flash memory with additional data protection features.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the AT25640T2-10TC is a non-volatile memory integrated circuit primarily used for data storage in various electronic devices. It offers high capacity, low power consumption, and fast access time. While it has limitations in terms of storage capacity and cost, its reliability and wide temperature range make it suitable for diverse applications in automotive, industrial, consumer electronics, medical, and IoT fields.