AT49BV320T-90TI

Product Overview

Category

AT49BV320T-90TI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The AT49BV320T-90TI retains stored data even when power is removed.
• High capacity: It has a storage capacity of 32 megabits (4 megabytes).
• Fast access time: The device offers a fast access time of 90 nanoseconds.
• Low power consumption: It operates at low power, making it suitable for battery-powered devices.

Package

The AT49BV320T-90TI comes in a compact Thin Small Outline Package (TSOP) form factor.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT49BV320T-90TI is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 32 megabits (4 megabytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV320T-90TI has a total of 48 pins. The pin configuration is as follows:

1. A0-A18: Address Inputs
2. DQ0-DQ15: Data Input/Output
3. CE: Chip Enable
4. OE: Output Enable
5. WE: Write Enable
6. VCC: Power Supply
7. GND: Ground

Please refer to the datasheet for a complete pin configuration diagram.

Functional Features

• Random Access: The AT49BV320T-90TI allows random access to any memory location, enabling efficient data retrieval.
• Erase and Program Operations: It supports both sector erase and byte program operations, providing flexibility in data management.
• Hardware Data Protection: The device incorporates hardware features to protect against accidental data corruption during power fluctuations or system failures.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even without power.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Limited write endurance: The device has a finite number of erase/write cycles before it may become unreliable.
• Relatively higher cost compared to other types of memory.

Working Principles

The AT49BV320T-90TI is based on Flash memory technology. It utilizes floating-gate transistors to store and retrieve data. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. These charges can be erased by applying a high voltage, allowing new data to be written.

Detailed Application Field Plans

The AT49BV320T-90TI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Its non-volatile nature, high capacity, and fast access time make it suitable for applications that require reliable and efficient data storage.

Detailed and Complete Alternative Models

• AT49BV320D-90TI: Similar specifications with different packaging options.
• AT49BV320E-90TI: Enhanced version with additional features.
• AT49BV640D-90TI: Higher capacity variant with 64 megabits (8 megabytes) of storage.

These alternative models offer similar functionality and can be considered based on specific requirements and compatibility with the target system.

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