AT49F040A-70JI-T

Product Overview

Category

AT49F040A-70JI-T 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 AT49F040A-70JI-T retains data even when power is turned off.
• High capacity: This device has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: The AT49F040A-70JI-T operates on low power, making it suitable for battery-powered devices.

Package

The AT49F040A-70JI-T is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

The AT49F040A-70JI-T is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Type: Flash
• Organization: 512K 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 AT49F040A-70JI-T has a total of 32 pins. Here is the detailed pin configuration:

1. A16
2. A15
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. NC
32. NC

Functional Features

• Easy integration: The AT49F040A-70JI-T can be easily integrated into existing electronic systems.
• High-speed operation: It offers fast read and write operations, enabling efficient data access.
• Versatile interface: This device supports a standard parallel interface, making it compatible with a wide range of microcontrollers and processors.
• Sector erase capability: The AT49F040A-70JI-T allows for erasing data in sectors, providing flexibility in managing memory space.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited erase/program cycle endurance compared to some other non-volatile memory technologies.
• Relatively larger physical package size compared to newer memory devices.

Working Principles

The AT49F040A-70JI-T utilizes flash memory technology to store data. It consists of floating-gate transistors that can trap electrical charges, representing binary data. When data needs to be written or erased, specific voltage levels are applied to the appropriate pins, allowing electrons to tunnel through the insulating layer and modify the charge on the floating gate. This process enables data storage and retrieval.

Detailed Application Field Plans

The AT49F040A-70JI-T 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

• AT49F040B-90TU: Similar flash memory device with a higher access time of 90 ns.
• AT49F080-70TU: Flash memory device with double the capacity (8 megabits) and similar characteristics.
• AT45DB041D-SU: Serial flash memory device with 4 megabits capacity and SPI interface.

These alternative models offer different specifications and interfaces, providing options for specific application requirements.

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