AT49F001T-90JI

Product Overview

Category

AT49F001T-90JI belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT49F001T-90JI has a storage capacity of 1 megabit (128 kilobytes).
• Fast access time: It operates at a maximum access time of 90 nanoseconds.
• Low power consumption: It requires minimal power during operation.
• Reliable: The device is designed to withstand harsh environmental conditions.

Package

The AT49F001T-90JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49F001T-90JI lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The device is typically packaged in reels, with each reel containing a specific quantity of AT49F001T-90JI chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 1 megabit (128 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 10 years

Detailed Pin Configuration

The AT49F001T-90JI has a total of 32 pins. The pin configuration is as follows:

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. OE#
14. CE#
15. WE#
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. NC
25. GND
26. VCC
27. RP#
28. BYTE#
29. RESET#
30. WP#
31. A8
32. A9

Functional Features

• Easy integration: The AT49F001T-90JI can be easily integrated into existing electronic systems.
• High-speed operation: It offers fast read and write operations, making it suitable for time-critical applications.
• Versatile interface: The device supports a standard parallel interface, allowing compatibility with various microcontrollers and processors.
• Sector erase capability: It allows selective erasure of specific memory sectors, enabling efficient data management.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity provides ample space for storing digital information.
• Fast access time allows for quick retrieval of data.
• Low power consumption helps in energy-efficient designs.
• Reliable performance in harsh environmental conditions.

Disadvantages

• Limited storage capacity compared to other modern memory devices.
• Parallel interface may not be suitable for all applications.
• Higher cost per megabit compared to some alternative memory technologies.

Working Principles

The AT49F001T-90JI is based on Flash memory technology. It utilizes floating-gate transistors to store and retrieve digital information. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. These charges can be erased by applying a higher voltage, allowing the transistor to return to its original state. This mechanism enables non-volatile storage of data.

Detailed Application Field Plans

The AT49F001T-90JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Its reliable and non-volatile nature makes it suitable for applications where data integrity is crucial.

Detailed and Complete Alternative Models

Some alternative models to the AT49F001T-90JI include: - AT49F002T-90JI: 2 megabit (256 kilobytes) capacity - AT49F010-90JI: 10 megabit (1.25 megabytes) capacity - AT49F020-90JI: 20 megabit (2.5 megabytes) capacity

These alternative models offer different storage capacities to cater to varying application requirements.

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