AT49F040-12PC

Product Overview

Category

AT49F040-12PC belongs to the category of Flash Memory Chips.

Use

This product is primarily used for data storage in various electronic devices such as computers, smartphones, and digital cameras.

Characteristics

• Non-volatile memory: The stored data is retained even when power is turned off.
• High storage capacity: The AT49F040-12PC has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: It offers a fast access time of 120 nanoseconds.
• Low power consumption: This flash memory chip operates on low power, making it suitable for portable devices.
• Reliable performance: The AT49F040-12PC ensures reliable data storage and retrieval.

Package

The AT49F040-12PC is available in a 32-pin plastic DIP (Dual In-line Package) format.

Essence

This flash memory chip is designed to provide reliable and high-capacity data storage for electronic devices.

Packaging/Quantity

The AT49F040-12PC is typically packaged in reels or tubes, with each package containing a quantity of 25 chips.

Specifications

• Storage Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 120 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin Plastic DIP

Detailed Pin Configuration

1. A16
2. A15
3. A14
4. A13
5. A12
6. A7
7. A6
8. A5
9. A4
10. A3
11. A2
12. A1
13. A0
14. VCC
15. BYTE#
16. OE#
17. WE#
18. CE#
19. I/O0
20. I/O1
21. I/O2
22. I/O3
23. I/O4
24. I/O5
25. I/O6
26. I/O7
27. RY/BY#
28. NC
29. RESET#
30. VSS
31. RP#
32. WP#

Functional Features

• Erase and Program Operations: The AT49F040-12PC supports both sector erase and byte program operations.
• Hardware Data Protection: It provides hardware protection against accidental erasure or programming of data.
• Automatic Sleep Mode: This flash memory chip enters a low-power sleep mode when not in use, conserving energy.

Advantages and Disadvantages

Advantages

• High storage capacity for data-intensive applications.
• Fast access time allows for quick data retrieval.
• Low power consumption extends battery life in portable devices.
• Reliable performance ensures data integrity.

Disadvantages

• Limited storage capacity compared to newer flash memory chips.
• Relatively slower access time compared to modern alternatives.

Working Principles

The AT49F040-12PC utilizes the principles of flash memory technology. It stores data by trapping electric charges within floating gate transistors. These charges represent binary information (0s and 1s). The stored data can be erased and reprogrammed using specific electrical signals.

Detailed Application Field Plans

The AT49F040-12PC is widely used in various electronic devices, including: - Personal computers - Laptops - Smartphones - Digital cameras - Gaming consoles - Embedded systems

Detailed and Complete Alternative Models

1. AT49F002N-90JC
2. AT49F080-70TC
3. AT49F001AN-55VI
4. AT49F010-70PC
5. AT49F002NT-90JC

These alternative models offer similar functionality and characteristics to the AT49F040-12PC, providing options for different storage capacities and access times.

In conclusion, the AT49F040-12PC flash memory chip is a reliable and high-capacity storage solution for various electronic devices. Its fast access time, low power consumption, and hardware data protection make it suitable for a wide range of applications. While it may have limitations in terms of storage capacity and access time compared to newer alternatives, it remains a popular choice in the market.