AT49F002N-90JI

Product Overview

Category

AT49F002N-90JI belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High capacity: The AT49F002N-90JI has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It offers a fast access time of 90 nanoseconds.
• Low power consumption: Designed to operate with low power requirements.
• Durable: Can withstand a wide range of environmental conditions.

Package

The AT49F002N-90JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49F002N-90JI lies in its ability to provide reliable and non-volatile data storage in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 100 units per reel/tube.

Specifications

• Memory Type: Flash EEPROM
• Organization: 256K x 8 bits
• Supply Voltage: 4.5V - 5.5V
• Access Time: 90 ns
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F002N-90JI has a total of 32 pins. Here is the detailed pin configuration:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
13. WE#
14. OE#
15. CE#
16. BYTE#
17. NC
18. DQ0
19. DQ1
20. DQ2
21. DQ3
22. DQ4
23. DQ5
24. DQ6
25. DQ7
26. VCC
27. GND
28. RP#
29. RY/BY#
30. RESET#
31. A15
32. A13

Functional Features

• Easy integration: The AT49F002N-90JI can be easily integrated into various electronic systems.
• High-speed data transfer: It supports fast data transfer rates, allowing for efficient read and write operations.
• Versatile interface: Compatible with a wide range of microcontrollers and other digital devices.
• Reliable data retention: Ensures long-term data integrity even in harsh operating conditions.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention without the need for power supply.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption helps conserve energy in electronic systems.

Disadvantages

• Limited erase/program cycle endurance compared to some other non-volatile memory technologies.
• Relatively higher cost per bit compared to certain alternative memory solutions.

Working Principles

The AT49F002N-90JI utilizes flash EEPROM technology to store and retrieve data. It employs a combination of floating gate transistors and control circuitry to achieve non-volatile memory functionality. When data is written or erased, electrical charges are trapped or released within the floating gates, altering the transistor's conductive properties.

Detailed Application Field Plans

The AT49F002N-90JI 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 AT49F002N-90JI include: - AT49BV002T-12TC: 2 megabit Flash EEPROM with a 120 ns access time. - AM29F002BT-70JC: 2 megabit CMOS Flash Memory with a 70 ns access time. - M29F200BB-70M1: 2 megabit (256 kilobytes) Flash Memory with a 70 ns access time.

(Note: This is not an exhaustive list, and there may be other alternative models available in the market.)

In conclusion, the AT49F002N-90JI is a reliable and high-capacity non-volatile memory device suitable for various electronic applications. Its fast access time, low power consumption, and durable design make it a preferred choice for data storage requirements.