AT29BV020-12TU

Product Overview

Category

AT29BV020-12TU 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 AT29BV020-12TU retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 2 megabits (256 kilobytes).
• Low power consumption: The AT29BV020-12TU operates on low power, making it suitable for battery-powered devices.
• Fast access time: With a maximum access time of 120 nanoseconds, this memory device offers quick data retrieval.

Package

The AT29BV020-12TU is available in a standard Thin Small Outline Package (TSOP) with 32 pins.

Essence

The essence of the AT29BV020-12TU lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of AT29BV020-12TU devices.

Specifications

• Memory Type: Flash
• Organization: 256K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Access Time: 120 ns
• Erase/Program Suspend & Resume Support: Yes
• Data Retention: 20 years

Detailed Pin Configuration

The AT29BV020-12TU has a total of 32 pins, which are assigned specific functions as follows:

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. VSS - Ground
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. CE - Chip Enable
19. OE - Output Enable
20. WE - Write 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. VCC - Power Supply
31. RP - Ready/Busy Output
32. NC - No Connection

Functional Features

• Erase and Program Operations: The AT29BV020-12TU supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Suspend and Resume Support: This device enables the suspension of an ongoing erase or program operation, which can be resumed later, providing enhanced flexibility during data management.
• Ready/Busy Output: The RP pin indicates the status of the device, allowing the system to determine if the memory is ready for further operations.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• High storage capacity allows for storing a significant amount of data.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time enables quick data retrieval.

Disadvantages

• Limited write endurance: The AT29BV020-12TU has a finite number of erase and program cycles before it may become unreliable.
• Relatively higher cost compared to other types of memory devices with similar capacities.

Working Principles

The AT29BV020-12TU utilizes flash memory technology, which is based on the principle of storing data in floating-gate transistors. These transistors can retain their charge even when power is removed, allowing for non-volatile storage. The device uses a combination of address inputs, control signals, and data lines to perform read, write, and erase operations.

Detailed Application Field Plans

The AT29BV020-12TU 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

Some alternative models that offer similar functionality to the AT29BV020-12TU include: - AT28C256 - 256K (32K x