AT49F040-12JC

Product Overview

Category

AT49F040-12JC belongs to the category of Flash Memory Integrated Circuits (ICs).

Use

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

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• High storage capacity: AT49F040-12JC has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: It operates at a speed of 120 nanoseconds, allowing for quick data retrieval.
• Low power consumption: Designed to minimize power usage, making it suitable for battery-powered devices.

Package

AT49F040-12JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49F040-12JC lies in its ability to provide reliable and high-capacity non-volatile memory storage for various electronic applications.

Packaging/Quantity

AT49F040-12JC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Organization: 512K x 8 bits
• Supply voltage: 5V ±10%
• Access time: 120 ns
• Operating temperature range: -40°C to +85°C
• Erase/Write cycles: 10,000 minimum
• Data retention: 20 years

Detailed Pin Configuration

The pin configuration of AT49F040-12JC 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. 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. A8
29. A9
30. A11
31. A13
32. A15

Functional Features

• Easy integration: AT49F040-12JC can be easily integrated into existing electronic systems.
• High-speed data transfer: It supports fast read and write operations, enabling efficient data handling.
• Versatile interface: Compatible with a wide range of microcontrollers and digital devices.
• Sector erase capability: Allows for selective erasure of specific memory sectors, enhancing flexibility.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited erase/write cycles may require careful management to prevent premature wear-out.
• Relatively higher cost compared to other memory technologies.
• Sensitive to electrostatic discharge (ESD), necessitating proper handling precautions.

Working Principles

AT49F040-12JC utilizes the Floating Gate MOS (FGMOS) technology to store and retrieve digital information. The memory cells consist of floating gate transistors that can trap or release electric charge, representing binary data. When reading or writing data, appropriate voltage levels are applied to specific pins, allowing for data transfer between the memory and the connected device.

Detailed Application Field Plans

AT49F040-12JC finds application in various electronic devices, including but not limited to: - Personal computers - Mobile phones - Digital cameras - Set-top boxes - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. AT49F040-12PC: Similar to AT49F040-12JC, but available in a 32-pin PDIP (Plastic Dual In-line Package) package.
2. AT49F040-12TI: Offers the same specifications as AT49F040-12JC but comes in a 32-pin Thin Small Outline Package (TSOP).

These alternative models provide similar functionality and compatibility with different packaging options.

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