AT25XV021A-SSHV-T

Product Overview

The AT25XV021A-SSHV-T belongs to the category of serial NOR Flash memory. It is commonly used for storing program code and data in various electronic devices such as microcontrollers, IoT devices, and consumer electronics. The characteristics of this product include high-speed read and write operations, low power consumption, small package size, and a wide operating voltage range. The essence of AT25XV021A-SSHV-T lies in its ability to provide non-volatile memory storage for critical system functions. It is typically packaged in a compact, surface-mount package and is available in various quantities to suit different production needs.

Specifications

• Capacity: 2 Megabits (256K x 8)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 1.7V to 3.6V
• Operating Temperature Range: -40°C to 85°C
• Package Type: 8-lead SOIC, 8-pad UDFN, and 8-contact WSON

Detailed Pin Configuration

The AT25XV021A-SSHV-T features a standard 8-pin configuration with pins designated for power supply, SPI communication, and control signals. The pinout includes VCC (power supply), GND (ground), SI (serial input), SO (serial output), SCK (serial clock), CS (chip select), WP (write protect), and HOLD (hold or reset).

Functional Features

This flash memory device offers fast read and write operations, making it suitable for applications requiring quick access to stored data. It also supports low-power standby modes, enabling energy-efficient operation in battery-powered devices. Additionally, the chip select and write protect pins allow for flexible control over memory access and protection.

Advantages and Disadvantages

Advantages

• High-speed read and write operations
• Low power consumption
• Wide operating voltage range
• Compact package size

Disadvantages

• Limited capacity compared to other storage options
• Relatively higher cost per bit compared to larger capacity memories

Working Principles

AT25XV021A-SSHV-T operates based on the principles of NOR flash memory technology. It utilizes a grid of intersecting word and bit lines to store and retrieve data. When data is written, electrical charges are trapped in the floating gate transistors, and when data is read, the presence or absence of these charges is detected to determine the stored information.

Detailed Application Field Plans

The AT25XV021A-SSHV-T is well-suited for a wide range of applications, including but not limited to: - Firmware storage in microcontroller-based systems - Configuration storage in IoT devices - Boot code storage in embedded systems - Parameter storage in consumer electronics

Detailed and Complete Alternative Models

For users seeking alternative options, some comparable models to consider include: - AT25SF041-SSHD-B - W25Q32JVSSIQ - S25FL116K0XMFI011

In conclusion, the AT25XV021A-SSHV-T offers a reliable and efficient solution for non-volatile memory storage in various electronic devices. Its high-speed performance, low power consumption, and compact form factor make it a valuable component in modern embedded systems and IoT applications.

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