AT49BV040A-90VI

Product Overview

Category

AT49BV040A-90VI 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: The AT49BV040A-90VI has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: It offers a fast access time of 90 nanoseconds.
• Low power consumption: Designed to operate with low power requirements.
• Wide operating voltage range: Can operate within a voltage range of 2.7V to 3.6V.

Package

The AT49BV040A-90VI is available in a standard 32-pin plastic DIP (Dual In-line Package) or TSOP (Thin Small Outline Package).

Essence

The essence of AT49BV040A-90VI lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

The AT49BV040A-90VI is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory Type: Flash
• Organization: 512K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Access Time: 90 ns
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin DIP or TSOP

Detailed Pin Configuration

The AT49BV040A-90VI 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. VCC
13. A15
14. A13
15. A8
16. A9
17. A11
18. A10
19. OE#
20. CE#
21. WE#
22. I/O0
23. I/O1
24. I/O2
25. I/O3
26. I/O4
27. I/O5
28. I/O6
29. I/O7
30. RY/BY#
31. NC
32. GND

Functional Features

• Byte-wide access: The AT49BV040A-90VI allows for byte-level access, enabling efficient data manipulation.
• Erase and program operations: It supports both sector erase and byte program operations, providing flexibility in data management.
• Hardware and software protection: Offers various protection mechanisms to prevent unauthorized access or modification of stored data.
• Automatic sleep mode: Designed to enter a low-power sleep mode when not actively accessed, reducing power consumption.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for a wide range of applications.
• Fast access time enables quick data retrieval.
• Low power consumption prolongs battery life in portable devices.
• Wide operating voltage range allows compatibility with different systems.

Disadvantages

• Limited endurance: Flash memory has a finite number of erase/write cycles before degradation.
• Relatively higher cost compared to other types of memory.
• Susceptible to data corruption in case of power surges or electromagnetic interference.

Working Principles

The AT49BV040A-90VI utilizes flash memory technology to store data. It consists of floating-gate transistors that can retain charge even when power is removed. The data is stored in memory cells organized in a grid-like structure. To read or write data, specific voltage levels are applied to the appropriate pins, enabling the transfer of electrons to or from the floating gate.

Detailed Application Field Plans

The AT49BV040A-90VI finds applications 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

1. AT49BV040B-90VI: Similar to AT49BV040A-90VI with improved performance characteristics.
2. AT49BV080A-90VI: Double the storage capacity of AT49BV040A-90VI (8 megabits).
3. AT49BV016A-90VI: Half the storage capacity of AT49BV040A-90VI (2 megabits).

These alternative models offer similar functionality and compatibility with different systems while providing varying storage capacities to suit specific requirements.

Word count: 554 words