AT49BV802AT-70TI-T

Product Overview

Category

The AT49BV802AT-70TI-T belongs to the category of Flash Memory ICs.

Use

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

Characteristics

• Non-volatile memory: The AT49BV802AT-70TI-T retains stored data even when power is turned off.
• High capacity: This flash memory IC has a storage capacity of 8 megabits (1 megabyte).
• Fast access time: With a speed rating of 70 nanoseconds, it provides quick data access.
• Low power consumption: The AT49BV802AT-70TI-T is designed to consume minimal power during operation.
• Wide operating voltage range: It can operate within a voltage range of 2.7V to 3.6V.

Package

This product is available in a Thin Small Outline Package (TSOP) with 32 pins.

Essence

The AT49BV802AT-70TI-T is an essential component for storing and retrieving data in electronic devices, ensuring reliable and efficient performance.

Packaging/Quantity

The AT49BV802AT-70TI-T is typically packaged in reels or tubes, with each package containing a specific quantity of ICs. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Memory Type: Flash
• Memory Size: 8 Megabits (1 Megabyte)
• Access Time: 70 nanoseconds
• Supply Voltage Range: 2.7V to 3.6V
• Package Type: TSOP
• Pin Count: 32

Detailed Pin Configuration

The AT49BV802AT-70TI-T has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCC: Power supply voltage
2. A0-A18: Address inputs for selecting memory locations
3. CE: Chip Enable, enables or disables the device
4. OE: Output Enable, controls data output
5. WE: Write Enable, enables or disables write operations
6. I/O0-I/O7: Data input/output pins
7. RY/BY# (Ready/Busy): Indicates the status of the device
8. RESET#: Resets the device to its initial state
9. WP#/ACC: Write Protect/Acceleration, controls write protection and programming acceleration
10. A19-A21: Additional address inputs
11. A22: Additional address input
12. NC: No Connection

Functional Features

• Erase and Program Operations: The AT49BV802AT-70TI-T supports both sector erase and byte program operations, allowing flexible data manipulation.
• Automatic Page Write: This feature enables efficient programming of multiple bytes in a single operation, reducing overall programming time.
• Hardware Data Protection: The device incorporates various mechanisms to protect stored data from accidental modification or corruption.
• Low Power Consumption: The AT49BV802AT-70TI-T is designed to minimize power consumption during both active and standby modes, optimizing battery life in portable devices.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Reliable data retention
• Flexible erase and program operations

Disadvantages

• Limited compatibility with certain older devices
• Relatively higher cost compared to other memory technologies

Working Principles

The AT49BV802AT-70TI-T utilizes flash memory technology, which stores data by trapping electric charges within floating gate transistors. These charges represent binary information (0s and 1s) and can be electrically erased and reprogrammed. The device uses a combination of address inputs, control signals, and data lines to perform read, write, and erase operations.

Detailed Application Field Plans

The AT49BV802AT-70TI-T finds extensive application in various electronic devices that require non-volatile storage capabilities. Some common application fields include:

1. Personal Computers: Used for storing BIOS firmware, operating systems, and other critical software.
2. Mobile Devices: Provides storage for applications, user data, and firmware in smartphones, tablets, and portable media players.
3. Automotive Electronics: Utilized in automotive infotainment systems, instrument clusters, and engine control units for data storage and firmware updates.
4. Industrial Control Systems: Used in programmable logic controllers (PLCs), data loggers, and other industrial equipment for storing configuration data and program code.
5. Consumer Electronics: Found in digital cameras, gaming consoles, and audio/video recorders for data storage and firmware updates.

Detailed and Complete Alternative Models

1. AT45DB081D: A similar flash memory IC with 8 megabits capacity, SPI interface, and additional