AT49BV640S-70CU

Product Overview

Category

AT49BV640S-70CU belongs to the category of Flash Memory products.

Use

This product is primarily used for data storage in various electronic devices such as computers, smartphones, tablets, and other digital devices.

Characteristics

• High storage capacity: The AT49BV640S-70CU offers a large storage capacity of 640 megabits (80 megabytes), allowing for ample space to store data.
• Fast data transfer rate: With a speed of 70 nanoseconds, this flash memory device ensures quick and efficient data transfer.
• Low power consumption: The AT49BV640S-70CU is designed to consume minimal power, making it suitable for battery-powered devices.
• Durable and reliable: This flash memory product is known for its robustness and reliability, ensuring data integrity and longevity.
• Wide temperature range: It can operate within a wide temperature range, making it suitable for use in various environments.

Package and Quantity

The AT49BV640S-70CU is available in a compact surface-mount package. It is typically sold in reels or trays, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 640 megabits (80 megabytes)
• Access Time: 70 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Surface Mount
• Pin Count: 32 pins

Detailed Pin Configuration

The AT49BV640S-70CU has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. VCC - Power supply voltage
2. A0-A18 - Address inputs
3. CE - Chip Enable
4. OE - Output Enable
5. WE - Write Enable
6. BYTE - Byte/Word Organization Select
7. RESET - Reset input
8. RY/BY# - Ready/Busy output 9-30. DQ0-DQ15 - Data inputs/outputs
9. VSS - Ground
10. NC - No Connection

Functional Features

The AT49BV640S-70CU offers several functional features that enhance its usability and performance:

• Sector Erase Capability: This flash memory device allows for sector-based erasure, enabling efficient management of data storage.
• Page Program Operation: It supports fast programming of data in page mode, reducing write time and enhancing overall performance.
• Automatic Sleep Mode: The AT49BV640S-70CU includes an automatic sleep mode feature, which helps conserve power when the device is not in use.
• Hardware Data Protection: This flash memory product incorporates hardware protection mechanisms to prevent accidental data corruption during write or erase operations.

Advantages and Disadvantages

Advantages

• High storage capacity allows for ample data storage.
• Fast data transfer rate ensures quick access to stored information.
• Low power consumption makes it suitable for battery-powered devices.
• Robust and reliable design ensures data integrity and longevity.
• Wide temperature range enables usage in various environments.

Disadvantages

• Limited pin count may restrict compatibility with certain systems.
• Higher cost compared to lower-capacity flash memory options.

Working Principles

The AT49BV640S-70CU utilizes a technology called Flash Memory, which is a non-volatile storage medium. It stores data by trapping electrons within floating gate transistors. These trapped charges represent binary values (0s and 1s) and can be read, written, or erased electronically.

During read operations, the stored charge is measured to determine the binary value. Write operations involve applying a high voltage to the control gate, allowing electrons to tunnel through the insulating layer and into the floating gate. Erase operations clear the stored charge by applying a higher voltage, removing the trapped electrons.

Detailed Application Field Plans

The AT49BV640S-70CU finds applications in various electronic devices and industries, including:

1. Computers and Laptops: Used for storing operating systems, software, and user data.
2. Smartphones and Tablets: Provides storage for apps, media files, and user data.
3. Automotive Electronics: Utilized in infotainment systems, navigation units, and engine control modules.
4. Industrial Control Systems: Used for data logging, firmware storage, and configuration settings.
5. Consumer Electronics: Found in digital cameras, gaming consoles, and portable media players.

Detailed and Complete Alternative Models

1. AT45DB641E-SHN-T: Similar flash memory device with 64 megabytes of storage capacity and SPI interface.
2. S29GL064N90TFI040: Flash memory product offering 64 megabytes of storage and a 90 nanosecond access time.
3. MX25L6406EM2I-