AT49F040-15JI

Product Overview

Category

AT49F040-15JI belongs to the category of Flash Memory Chips.

Use

It is primarily used for data storage and retrieval in various electronic devices such as computers, smartphones, tablets, and digital cameras.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• High storage capacity: Offers a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: Provides quick data retrieval with a maximum access time of 150 nanoseconds.
• Low power consumption: Operates efficiently with low power requirements.
• Durable: Can withstand multiple read and write cycles without significant degradation.

Package

AT49F040-15JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49F040-15JI lies in its ability to store and retrieve data reliably and efficiently, making it an essential component in modern electronic devices.

Packaging/Quantity

It is typically sold in reels or trays containing multiple units, with the exact quantity varying based on customer requirements.

Specifications

• Manufacturer: Atmel Corporation
• Part Number: AT49F040-15JI
• Memory Type: Flash
• Memory Size: 4 Megabits (512 Kilobytes)
• Access Time: 150 Nanoseconds
• Interface: Parallel
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT49F040-15JI chip 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. 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. RESET#
30. WP#
31. A8
32. A9

Functional Features

• Erase and Program Operations: AT49F040-15JI supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Hardware Data Protection: The chip features a hardware write protection mechanism to prevent accidental modification or erasure of stored data.
• Automatic Sleep Mode: It enters a low-power sleep mode when not in use, conserving energy and extending battery life in portable devices.

Advantages and Disadvantages

Advantages

• High storage capacity for its size
• Fast access time enables quick data retrieval
• Low power consumption prolongs device battery life
• Durable design withstands multiple read/write cycles

Disadvantages

• Limited storage capacity compared to newer flash memory chips
• Parallel interface may limit compatibility with certain devices

Working Principles

AT49F040-15JI 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 data can be read, erased, and programmed using specific electrical signals applied to the chip's pins.

Detailed Application Field Plans

AT49F040-15JI finds applications in various electronic devices, including but not limited to: - Personal computers - Laptops - Smartphones - Tablets - Digital cameras - Printers - Networking equipment

Detailed and Complete Alternative Models

Some alternative models to AT49F040-15JI include: - AT49F002N-55JI - AT49F080-90JC - AT49F001AN-55VI - AT49F1024A-70TU

These alternative models offer similar functionality and characteristics, but may differ in terms of storage capacity, access time, or package type.

In conclusion, AT49F040-15JI is a flash memory chip that provides reliable data storage and retrieval capabilities. With its high storage capacity, fast access time, and low power consumption, it is widely used in various electronic devices. While it has certain limitations, such as limited storage capacity compared to newer chips, it remains a popular choice in the industry.