AT49BV802AT-70TI

Product Overview

Category

The AT49BV802AT-70TI 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 AT49BV802AT-70TI has a storage capacity of 8 megabits (1 megabyte).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: Designed to operate with low power requirements.
• Reliable: Provides high endurance and data retention capabilities.

Package

The AT49BV802AT-70TI is available in a surface-mount TSOP package.

Essence

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

Packaging/Quantity

The AT49BV802AT-70TI 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
• Capacity: 8 Megabits (1 Megabyte)
• Access Time: 70 Nanoseconds
• Interface: Parallel
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT49BV802AT-70TI has a total of 32 pins. The pin configuration is as follows:

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 AT49BV802AT-70TI supports both sector erase and byte program operations.
• Automatic Page Write: It allows for efficient programming of multiple bytes in a single operation.
• Hardware Data Protection: Provides write protection to prevent accidental data modification.
• Software Data Protection: Allows software-based protection of specific memory sectors.
• Ready/Busy Output: Indicates the status of the device during read, erase, and program operations.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Retains data even without power.
• High capacity: Offers ample storage space for various applications.
• Fast access time: Enables quick retrieval of stored data.
• Low power consumption: Helps conserve energy in electronic systems.
• Reliable: Provides high endurance and data retention capabilities.

Disadvantages

• Limited rewrite cycles: Flash memory has a finite number of erase/write cycles before degradation.
• Higher cost compared to other types of memory: Flash memory tends to be more expensive than alternatives like DRAM.

Working Principles

The AT49BV802AT-70TI utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge trapping mechanisms to retain information even when power is turned off. The memory cells are organized into sectors, which can be individually erased or programmed.

During programming, an electrical charge is applied to the floating gate, altering its threshold voltage and storing data. Erasing is achieved by removing the charge from the floating gate, resetting the memory cell to an erased state.

Detailed Application Field Plans

The AT49BV802AT-70TI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Its high capacity, fast access time, and reliability make it suitable for storing firmware, configuration data, and other critical information in these fields.

Detailed and Complete Alternative Models

• AT49BV8011T-12CI: 8 Megabit (1 Megabyte) Flash Memory, 120 nanoseconds access time, parallel interface.
• AT45DB081D-SU: 8 Megabit (1 Megabyte) DataFlash Memory, 85 nanoseconds access time, serial interface.
• MX25L8006EM2I-12G: 8 Megabit (1 Megabyte) Serial Flash Memory, 120 nanoseconds access time, serial interface.

These alternative models offer similar storage capacities and functionalities, catering