M29W040B90K1

Product Overview

Category

M29W040B90K1 belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The M29W040B90K1 retains stored data even when power is disconnected.
• High capacity: This device offers a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: It provides quick access to stored data, ensuring efficient operation of the devices it is used in.
• Low power consumption: The M29W040B90K1 is designed to consume minimal power during both read and write operations.

Package

The M29W040B90K1 is available in a compact and industry-standard package, making it compatible with various circuit board designs.

Essence

This product serves as a reliable and high-capacity storage solution for electronic devices, enabling efficient data management and retrieval.

Packaging/Quantity

The M29W040B90K1 is typically packaged in reels or trays, with each reel or tray containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 4 Megabits (512 Kilobytes)
• Supply Voltage: 2.7V - 3.6V
• Access Time: 90 nanoseconds
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The M29W040B90K1 features a parallel interface with the following pin configuration:

1. VCC: Power supply voltage
2. A0-A18: Address inputs
3. DQ0-DQ7: Data input/output lines
4. WE#: Write enable
5. CE#: Chip enable
6. OE#: Output enable
7. RP#/BYTE#: Reset/byte select
8. VSS: Ground

Functional Features

• Erase and Program Operations: The M29W040B90K1 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, reducing overall write time.
• Hardware Data Protection: The device incorporates various mechanisms to prevent accidental data corruption during power fluctuations or disturbances.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Reliable data retention
• Compact package size

Disadvantages

• Limited compatibility with certain older systems that do not support parallel interfaces
• Relatively higher cost compared to some alternative memory technologies

Working Principles

The M29W040B90K1 utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge trapping to retain information even when power is disconnected. The device uses a parallel interface to communicate with the host system, enabling efficient data transfer.

Detailed Application Field Plans

The M29W040B90K1 finds applications in various electronic devices, including but not limited to: - Personal computers - Laptops - Smartphones - Tablets - Gaming consoles - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. M29W040B90N1: Similar to M29W040B90K1, but with different packaging options.
2. M29W040B90T1: Offers extended temperature range for harsh operating environments.
3. M29W040B90R1: Provides additional security features for sensitive data storage.

These alternative models offer similar functionality and characteristics to the M29W040B90K1, catering to different application requirements.

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