AT49F040-12VI

Product Overview

Category

AT49F040-12VI belongs to the category of Flash Memory ICs.

Use

It is primarily used for non-volatile storage in various electronic devices such as computers, mobile phones, and consumer electronics.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High density: Offers large storage capacity.
• Fast access time: Allows for quick retrieval of stored data.
• Low power consumption: Operates efficiently with minimal power requirements.

Package

AT49F040-12VI is available in a 32-pin TSOP (Thin Small Outline Package) form factor.

Essence

The essence of AT49F040-12VI lies in its ability to provide reliable and high-performance non-volatile storage for electronic devices.

Packaging/Quantity

It is typically packaged in reels or tubes, with each containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage: 5V
• Access Time: 120ns
• Memory Size: 4 Megabits (512 Kilobytes)
• Organization: 8-bit parallel
• Operating Temperature Range: -40°C to +85°C
• Erase/Write Cycle Endurance: 10,000 cycles

Pin Configuration

The detailed pin configuration of AT49F040-12VI 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 interface: Supports standard 8-bit parallel communication.
• Sector erase capability: Allows for selective erasure of specific memory sectors.
• Programming voltage generation: Integrated circuitry generates the required programming voltage internally.
• Automatic sleep mode: Enters low-power sleep mode when not in use, conserving energy.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even during power loss.
• High-density storage: Offers ample space for storing large amounts of data.
• Fast access time: Enables quick retrieval of information.
• Low power consumption: Operates efficiently, extending battery life in portable devices.

Disadvantages

• Limited erase/write endurance: The number of erase/write cycles is finite, which may affect long-term reliability.
• Relatively slower compared to other types of memory: Flash memory has slower write speeds compared to volatile memory technologies like RAM.

Working Principles

AT49F040-12VI utilizes a floating gate transistor structure to store data. It employs a combination of electric fields and charge trapping to retain information even when power is removed. The stored data can be read, erased, and programmed using specific electrical signals.

Detailed Application Field Plans

AT49F040-12VI finds applications in various electronic devices, including but not limited to: - Personal computers - Laptops and notebooks - Mobile phones and smartphones - Digital cameras - Set-top boxes - Gaming consoles - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT49F040-12VI include: - AT45DB041D - SST39SF040 - MX29LV040

These alternatives may have slightly different specifications, pin configurations, or package options but serve the same purpose of non-volatile storage.

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