AT49BV802A-70CU

Product Overview

Category

The AT49BV802A-70CU 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 AT49BV802A-70CU retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 8 megabits (1 megabyte).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: The AT49BV802A-70CU operates on low power, making it suitable for battery-powered devices.

Package

The AT49BV802A-70CU is available in a compact 32-pin TSOP package.

Essence

This memory device is essential for storing critical data in various electronic applications.

Packaging/Quantity

The AT49BV802A-70CU is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: Flash
• Capacity: 8 Megabits (1 Megabyte)
• Access Time: 70 ns
• Interface: Parallel
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin TSOP

Detailed Pin Configuration

The AT49BV802A-70CU features a 32-pin TSOP package with the following pin configuration:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. A8
10. A9
11. A10
12. A11
13. A12
14. A13
15. A14
16. A15
17. BYTE#
18. WE#
19. OE#
20. CE#
21. CLE#
22. ALE#
23. WP#
24. VCC
25. DQ0
26. DQ1
27. DQ2
28. DQ3
29. DQ4
30. DQ5
31. DQ6
32. DQ7

Functional Features

• Erase and Program Operations: The AT49BV802A-70CU supports both sector erase and byte program operations.
• Automatic Page Write: This device allows for efficient programming of multiple bytes in a single operation.
• Hardware Data Protection: It provides hardware protection against accidental data modification during power transitions.
• Software Data Protection: The AT49BV802A-70CU offers software-controlled protection mechanisms to prevent unauthorized access or modification of stored data.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even without power.
• 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 endurance: Flash memory has a finite number of erase/write cycles.
• Relatively higher cost compared to other types of memory.

Working Principles

The AT49BV802A-70CU utilizes flash memory technology, which stores data by trapping electric charges within floating gate transistors. These trapped charges represent binary information (0s and 1s). The stored data can be read, erased, and programmed using specific electrical signals applied to the device's pins.

Detailed Application Field Plans

The AT49BV802A-70CU finds application 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. AT49BV802A-90CU: Similar to the AT49BV802A-70CU, but with a faster access time of 90 ns.
2. AT49BV802A-55TU: Offers a lower access time of 55 ns, suitable for applications requiring faster data retrieval.
3. AT49BV802A-120CI: Provides a higher capacity of 12 megabits (1.5 megabytes) for applications requiring more storage space.

These alternative models offer different specifications and may be chosen based on specific application requirements.

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