AT49F002NT-90TC

Product Overview

Category

AT49F002NT-90TC 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 stored data is retained even when power is removed.
• High capacity: The AT49F002NT-90TC has a storage capacity of 2 megabits.
• Fast access time: It offers quick read and write operations.
• Low power consumption: The device operates efficiently with minimal power requirements.

Package

The AT49F002NT-90TC is available in a surface-mount TSOP package.

Essence

This product is an essential component for data storage in various electronic applications.

Packaging/Quantity

The AT49F002NT-90TC is typically packaged in reels, with each reel containing a specific quantity of devices.

Specifications

• Storage Capacity: 2 megabits (256 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: TSOP

Detailed Pin Configuration

The AT49F002NT-90TC has a total of 32 pins. The pin configuration is as follows:

1. VCC - Power supply voltage
2. A0-A16 - Address inputs
3. CE - Chip enable
4. OE - Output enable
5. WE - Write enable
6. I/O0-I/O7 - Data input/output lines
7. RESET - Reset input
8. RP - Ready/Busy output
9. NC - No connection

Functional Features

• Random access: Allows direct access to any memory location.
• Byte-wise programming: Enables individual byte programming.
• Sector erase capability: Supports erasing of specific memory sectors.
• Hardware and software protection: Provides security features to prevent unauthorized access.
• Low power consumption: Operates efficiently with minimal power requirements.

Advantages

• Non-volatile nature ensures data retention even during power loss.
• High storage capacity allows for ample data storage.
• Fast access time enables quick read and write operations.
• Low power consumption prolongs battery life in portable devices.
• Sector erase capability provides flexibility in data management.

Disadvantages

• Limited storage capacity compared to other modern memory devices.
• Relatively slower access time compared to some newer memory technologies.
• Requires additional circuitry for interfacing with the microcontroller.

Working Principles

The AT49F002NT-90TC utilizes flash memory technology. It stores data by trapping electric charges within floating gate transistors. These charges represent binary information, which can be read or modified through appropriate control signals. The device operates based on the principles of tunneling and hot electron injection.

Detailed Application Field Plans

The AT49F002NT-90TC 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

1. AT49F002NT-55JC
2. AT49F002NT-70JC
3. AT49F002NT-90JC
4. AT49F002NT-55PI
5. AT49F002NT-70PI
6. AT49F002NT-90PI

These alternative models offer similar functionality and characteristics to the AT49F002NT-90TC, but may differ in terms of package type, access time, or temperature range.

In conclusion, the AT49F002NT-90TC is a non-volatile memory device with a high storage capacity and fast access time. It is widely used in various electronic applications for data storage and retrieval. While it has certain limitations, its advantages make it a reliable choice for many systems.