AT49BV3218T-90CI

Product Overview

Category

AT49BV3218T-90CI 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 AT49BV3218T-90CI retains stored data even when power is removed.
• High capacity: With a storage capacity of 32 megabits, it can store a large amount of data.
• Fast access time: The device offers a fast access time of 90 nanoseconds, ensuring quick data retrieval.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT49BV3218T-90CI comes in a compact package that ensures easy integration into electronic systems. It is available in a surface-mount TSOP (Thin Small Outline Package) form factor.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in a compact and efficient package.

Packaging/Quantity

The AT49BV3218T-90CI is typically packaged in reels or trays, depending on the manufacturer's specifications. The quantity per package varies but is commonly around 250 units.

Specifications

• Storage Capacity: 32 Megabits
• Access Time: 90 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV3218T-90CI 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

Functional Features

• Random Access: The device 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 AT49BV3218T-90CI features a hardware protection mechanism to prevent accidental data modification or corruption.
• Low Power Consumption: The product is designed to minimize power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High storage capacity allows for the storage of large amounts of data.
• Fast access time enables quick data retrieval.
• Compact package facilitates easy integration into electronic systems.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited write endurance compared to other types of memory.
• Relatively higher cost per bit compared to some alternative memory technologies.

Working Principles

The AT49BV3218T-90CI utilizes flash memory technology for data storage. It employs a combination of floating-gate transistors and charge trapping 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 AT49BV3218T-90CI 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

• AT49BV322A-70TU: Similar specifications with a different package type (TSOP II)
• AT49BV320C-70TU: Lower capacity variant with similar specifications
• AT49BV322D-70TU: Higher capacity variant with similar specifications

These alternative models offer different package options and storage capacities while maintaining similar functionality and performance characteristics.

In conclusion, the AT49BV3218T-90CI is a non-volatile memory device that provides high-capacity data storage with fast access times. Its compact package, low power consumption, and hardware data protection make it suitable for various applications in the electronics industry. While it has advantages such as non-volatility and high capacity, it also has limitations in terms of write endurance and cost per bit. Nonetheless, it remains a reliable choice for data storage in numerous electronic systems.