AT49F001-90JI

Product Overview

Category

AT49F001-90JI 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: Offers a storage capacity of 1 megabit (128 kilobytes).
• Fast access time: Provides a fast access time of 90 nanoseconds.
• Low power consumption: Operates on low power, making it suitable for battery-powered devices.

Package

AT49F001-90JI comes in a standard JEDEC-approved PLCC-32 package.

Essence

The essence of AT49F001-90JI lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Memory Capacity: 1 Megabit (128 Kilobytes)
• Access Time: 90 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: PLCC-32

Detailed Pin Configuration

The AT49F001-90JI has a total of 32 pins. The pin configuration is as follows:

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. BYTE#
14. OE#
15. CE#
16. WE#
17. I/O0
18. I/O1
19. I/O2
20. I/O3
21. I/O4
22. I/O5
23. I/O6
24. I/O7
25. VCC
26. GND
27. A8
28. A9
29. A11
30. A13
31. A15
32. NC

Functional Features

• Byte-wide and word-wide operations for flexible data access.
• Sector erase capability for efficient memory management.
• Hardware and software data protection mechanisms.
• Low power consumption in standby mode.
• Fast programming and erasing operations.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Fast access time allows for quick data retrieval.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited write endurance compared to other memory technologies.
• Higher cost per bit compared to volatile memory options.
• Requires specific programming and erasing procedures.

Working Principles

AT49F001-90JI utilizes a floating-gate transistor technology known as Flash memory. It stores data by trapping electric charges on insulated floating gates within the memory cells. These charges represent binary information (0s and 1s). The stored data can be accessed, modified, or erased using specific electrical signals applied to the control pins.

Detailed Application Field Plans

AT49F001-90JI finds application 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 AT49F001-90JI are: - AT49BV001T - AM29F010B - SST39SF010A

These models provide comparable features and can be considered as alternatives based on specific application requirements.

In conclusion, AT49F001-90JI is a non-volatile memory device with a capacity of 1 megabit. It offers fast access times, low power consumption, and reliable data storage. While it has limitations in terms of write endurance and cost per bit, it finds applications in various electronic systems. Alternative models such as AT49BV001T, AM29F010B, and SST39SF010A can be considered based on specific needs.