W25X40AVSSIG

Product Overview

Category

W25X40AVSSIG belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital data in electronic devices.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High storage capacity: W25X40AVSSIG has a storage capacity of 4 megabits (512 kilobytes).
• Serial interface: It utilizes a serial peripheral interface (SPI) for communication with the host device.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

W25X40AVSSIG is available in a small form factor package, commonly known as SOP-8 (Small Outline Package).

Essence

The essence of W25X40AVSSIG lies in its ability to provide reliable and high-speed data storage in a compact package.

Packaging/Quantity

It is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Erase/Program Cycle Endurance: 100,000 cycles

Detailed Pin Configuration

W25X40AVSSIG follows the standard pin configuration for SOP-8 packages:

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

Functional Features

• High-speed data transfer: W25X40AVSSIG supports fast read and write operations, enabling efficient data handling.
• Sector-based erasure: It allows for selective erasure of specific memory sectors, reducing the need for complete chip erasure.
• Write protection: The /WP pin can be used to protect the memory contents from accidental modification.
• Deep power-down mode: It offers a low-power standby mode when the device is not in use.

Advantages and Disadvantages

Advantages

• Compact form factor
• High storage capacity
• Low power consumption
• Fast data transfer rate
• Selective sector erasure

Disadvantages

• Limited storage capacity compared to higher-end flash memory devices
• Relatively slower erase and program cycles compared to some alternatives

Working Principles

W25X40AVSSIG utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells, which retain their state even without power. The SPI interface enables high-speed data transfer between the host and the memory chip.

Detailed Application Field Plans

W25X40AVSSIG finds applications in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial equipment - Communication devices - Medical devices

Its compact size, high reliability, and low power consumption make it suitable for a wide range of applications.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to W25X40AVSSIG include: - W25Q40BVSSIG - MX25L4006EZNI-12G - AT25SF041-SSHD-T

These models have comparable specifications and can be considered as alternatives based on specific requirements.

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