AT29LV040A-25TC

Product Overview

Category

AT29LV040A-25TC belongs to the category of Flash Memory.

Use

It is primarily used for data storage in various electronic devices such as computers, smartphones, and embedded systems.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• High storage capacity: The AT29LV040A-25TC has a capacity of 4 megabits (512 kilobytes).
• Fast access time: It operates at a speed of 25 nanoseconds, allowing for quick data retrieval.
• Low power consumption: Designed to minimize energy usage, making it suitable for battery-powered devices.

Package

The AT29LV040A-25TC is available in a Thin Small Outline Package (TSOP), which provides a compact form factor and ease of integration into circuit boards.

Essence

The essence of AT29LV040A-25TC lies in its ability to reliably store and retrieve data in a wide range of electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT29LV040A-25TC chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 25 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT29LV040A-25TC features a standard pin configuration with the following pins:

1. VCC: Power supply voltage
2. A0-A18: Address inputs
3. DQ0-DQ7: Data input/output lines
4. CE: Chip enable
5. OE: Output enable
6. WE: Write enable
7. RESET: Reset pin
8. RP/RY/BY: Ready/Busy/Byte pin
9. VSS: Ground

Functional Features

• Erase and Program Operations: The AT29LV040A-25TC supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Automatic Page Write: This feature enables efficient programming of multiple bytes in a single operation.
• Hardware Data Protection: The device includes hardware protection mechanisms to prevent accidental erasure or programming of data.
• High Reliability: Built-in error correction techniques ensure data integrity and reliability.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Fast access time allows for quick data retrieval.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package facilitates integration into various electronic systems.

Disadvantages

• Limited storage capacity compared to other flash memory options.
• Parallel interface may require additional circuitry for compatibility with certain microcontrollers.

Working Principles

The AT29LV040A-25TC utilizes the principles of flash memory technology. It stores data by trapping electric charges within floating gate transistors. These charges represent binary information, which can be read, erased, or programmed using specific voltage levels applied to the memory cells.

Detailed Application Field Plans

The AT29LV040A-25TC finds applications in various fields, including: 1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for data storage. 2. Automotive Systems: Employed in automotive infotainment systems, instrument clusters, and navigation devices. 3. Industrial Control: Utilized in programmable logic controllers (PLCs), robotics, and automation systems for data storage and firmware updates. 4. Networking Equipment: Integrated into routers, switches, and network storage devices for storing configuration data and firmware.

Detailed and Complete Alternative Models

1. AT29LV040A-20TC: Similar to AT29LV040A-25TC but with a slower access time of 20 nanoseconds.
2. AT29LV040A-30TC: Similar to AT29LV040A-25TC but with a faster access time of 30 nanoseconds.
3. AT29LV080A-25TC: Offers double the capacity of AT29LV040A-25TC, with 8 megabits (1 megabyte) of storage.

These alternative models provide options with varying specifications to suit different application requirements.

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