AT49BV040-90TI

Product Overview

Category

AT49BV040-90TI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT49BV040-90TI has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: It operates at a speed of 90 nanoseconds, allowing for quick data retrieval.
• Low power consumption: The device is designed to minimize power usage, making it suitable for battery-powered applications.

Package

The AT49BV040-90TI is available in a surface-mount TSOP package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in various electronic systems.

Packaging/Quantity

The AT49BV040-90TI is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Organization: 512K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Access Time: 90 ns
• Erase/Program Suspend & Resume Support: Yes
• Data Retention: 20 years

Detailed Pin Configuration

The AT49BV040-90TI features a parallel interface with the following pin configuration:

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. VCC - Power Supply
10. A8 - Address Input
11. A9 - Address Input
12. A10 - Address Input
13. A11 - Address Input
14. A12 - Address Input
15. A13 - Address Input
16. A14 - Address Input
17. A15 - Address Input
18. /OE - Output Enable
19. /WE - Write Enable
20. /CE - Chip Enable
21. NC - No Connection
22. DQ0 - Data Input/Output
23. DQ1 - Data Input/Output
24. DQ2 - Data Input/Output
25. DQ3 - Data Input/Output
26. DQ4 - Data Input/Output
27. DQ5 - Data Input/Output
28. DQ6 - Data Input/Output
29. DQ7 - Data Input/Output
30. /RP - Reset/Protection

Functional Features

• Erase and Program Operations: The AT49BV040-90TI supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Suspend and Resume Support: It provides the ability to suspend and resume erase or program operations, enhancing programming efficiency.
• Hardware Data Protection: The device features a reset/protection pin (/RP) that can be used to prevent accidental writes or erasures.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited write endurance compared to other types of memory.
• Higher cost per bit compared to volatile memory technologies.

Working Principles

The AT49BV040-90TI utilizes flash memory technology to store data. It consists of a grid of memory cells, where each cell can be individually programmed or erased. The device operates by applying specific voltage levels to the memory cells, allowing for data storage and retrieval.

Detailed Application Field Plans

The AT49BV040-90TI 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-90TU: Similar specifications and features, available in a different package.
2. AT49BV040-70VI: Lower access time (70 ns) variant of the AT49BV040-90TI.
3. AT49BV080-90TI: Higher capacity (8 megabits) version with similar characteristics.

These alternative models offer similar functionality and can be considered as alternatives to the AT49BV040-90TI based on specific requirements and constraints.

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