AT49BV321-11CI

Product Overview

Category

AT49BV321-11CI belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: The AT49BV321-11CI has a storage capacity of 32 megabits (4 megabytes).
• Fast access time: It offers a fast access time of 110 nanoseconds.
• Low power consumption: Designed to operate with low power requirements.
• Reliable: Provides reliable data storage and retrieval.

Package

The AT49BV321-11CI is available in a compact plastic package, which ensures protection from external elements and facilitates easy integration into electronic systems.

Essence

The essence of AT49BV321-11CI lies in its ability to provide non-volatile memory storage with high capacity, fast access time, and low power consumption.

Packaging/Quantity

The AT49BV321-11CI is typically packaged in reels or trays, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities of 100 or more.

Specifications

• Memory Type: Flash
• Memory Size: 32 Megabits (4 Megabytes)
• Access Time: 110 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Package Type: Plastic

Detailed Pin Configuration

The AT49BV321-11CI has a standard pin configuration as follows:

1. VCC: Power supply voltage
2. A0-A20: Address inputs
3. DQ0-DQ15: Data input/output lines
4. WE#: Write enable
5. CE#: Chip enable
6. OE#: Output enable
7. RP#/BYTE#: Reset/byte select
8. RY/BY#: Ready/busy

Functional Features

• Erase and Program Operations: The AT49BV321-11CI supports both sector erase and byte program operations, allowing for flexible data modification.
• Automatic Page Write: It offers an automatic page write feature, enabling efficient programming of multiple bytes in a single operation.
• Hardware Data Protection: The device incorporates hardware protection mechanisms to prevent accidental data corruption during power fluctuations or system failures.
• Software Data Protection: Additional software-based protection features are available to enhance data security.

Advantages and Disadvantages

Advantages

• Non-volatile memory 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 reduces energy requirements.
• Reliable performance ensures data integrity.

Disadvantages

• Limited rewrite cycles: Flash memory has a finite number of erase/write cycles before degradation may occur.
• Higher cost compared to other types of memory technologies.
• Limited compatibility with certain legacy systems due to the parallel interface.

Working Principles

The AT49BV321-11CI utilizes flash memory technology, which is based on the principle of trapping electrical charges within floating gate transistors. These trapped charges represent binary data (0s and 1s) and can be electrically programmed or erased as needed. During read operations, the stored charges are sensed to retrieve the stored data.

Detailed Application Field Plans

The AT49BV321-11CI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT49BV321-11CI include: - AT49BV322A-70TU - AM29F032B-75EF - S29GL032N90TFI040

These models provide comparable storage capacity, access time, and features, making them suitable alternatives for different design requirements.

In conclusion, the AT49BV321-11CI is a non-volatile memory device with high storage capacity, fast access time, and low power consumption. It finds applications in various electronic systems and offers advantages such as reliable performance and data retention. However, it has limitations like limited rewrite cycles and higher cost compared to other memory technologies. Alternative models are available to cater to different design needs.