AT49F002NT-70PC

Product Overview

Category

AT49F002NT-70PC belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT49F002NT-70PC has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: This device operates at low power, making it suitable for battery-powered applications.

Package

The AT49F002NT-70PC is available in a 32-pin plastic DIP (Dual In-line Package) format.

Essence

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

Packaging/Quantity

The AT49F002NT-70PC is typically packaged in tubes or trays, with each package containing a specified quantity of devices.

Specifications

• Memory Type: Flash EEPROM
• Organization: 256K x 8 bits
• Supply Voltage: 5V
• Access Time: 70 ns
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F002NT-70PC 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. A8
32. A9

Functional Features

• Easy interface: The AT49F002NT-70PC can be easily interfaced with microcontrollers and other digital systems.
• High-speed operation: It offers fast read and write operations, enabling efficient data transfer.
• Sector erase capability: This product supports sector-based erasure, allowing selective removal of data.
• Hardware and software protection: The device provides protection mechanisms to prevent unauthorized access or modification of stored data.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity allows for storing a significant amount of information.
• Fast access time enables quick retrieval of data.
• Low power consumption makes it suitable for portable and battery-powered devices.

Disadvantages

• Limited erase/program cycle endurance may restrict the lifespan of the device.
• The 32-pin package may require additional space on the circuit board compared to smaller form factors.

Working Principles

The AT49F002NT-70PC utilizes flash EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, charges are trapped in the floating gate of each memory cell, representing either a "0" or a "1." These charges can be retained for an extended period, ensuring non-volatile storage.

Detailed Application Field Plans

The AT49F002NT-70PC 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-55JI: Similar to the AT49F002NT-70PC, but with a faster access time of 55 ns.
2. AT49F002NT-90JC: Similar to the AT49F002NT-70PC, but with a slower access time of 90 ns.
3. AT49F002NT-12PI: Similar to the AT49F002NT-70PC, but with a higher operating temperature range of -40°C to +125°C.

These alternative models offer different specifications to cater to specific application requirements.

In conclusion, the AT49F002NT-70PC is a non-volatile memory device that provides reliable storage for digital information. With its high capacity, fast access time, and low power consumption, it is suitable for a wide range of electronic systems. However, its limited erase/program cycle endurance and larger package size should be considered when selecting this