AT27LV256A-90TU

Product Overview

Category

AT27LV256A-90TU belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for storing and retrieving digital information.

Characteristics

• Non-volatile memory: The AT27LV256A-90TU retains data even when power is turned off.
• High capacity: With a storage capacity of 256 kilobits, it can store a significant amount of data.
• Fast access time: The AT27LV256A-90TU has a fast access time of 90 nanoseconds, allowing for quick retrieval of stored information.

Package

The AT27LV256A-90TU is available in a small outline package (SOP) format.

Essence

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

Packaging/Quantity

The AT27LV256A-90TU is typically packaged in reels or tubes, with each containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 256 kilobits
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOP

Detailed Pin Configuration

The AT27LV256A-90TU has a total of 28 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. CE (Chip Enable)
18. OE (Output Enable)
19. WE (Write Enable)
20. NC (No Connection)
21. DQ0
22. DQ1
23. DQ2
24. DQ3
25. DQ4
26. DQ5
27. DQ6
28. DQ7

Functional Features

• Non-volatile storage: The AT27LV256A-90TU retains data even when power is turned off.
• Fast access time: With an access time of 90 nanoseconds, it allows for quick retrieval of stored information.
• Easy integration: The AT27LV256A-90TU can be easily integrated into various electronic devices due to its compact size and standard pin configuration.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention.
• High storage capacity.
• Fast access time allows for quick data retrieval.
• Easy integration into electronic devices.

Disadvantages

• Limited storage capacity compared to higher-end memory devices.
• Relatively slower access time compared to some modern memory technologies.

Working Principles

The AT27LV256A-90TU utilizes a combination of electronic circuits and memory cells to store and retrieve digital information. When the chip enable (CE) signal is active, the device is ready to perform read or write operations. The output enable (OE) signal controls the output buffers, allowing data to be read from the memory cells. The write enable (WE) signal enables or disables the writing of data into the memory cells.

Detailed Application Field Plans

The AT27LV256A-90TU finds applications in various electronic devices that require non-volatile memory for storing critical data. Some common application fields include:

1. Consumer Electronics: Used in devices such as digital cameras, MP3 players, and gaming consoles for storing firmware, settings, and user data.
2. Automotive Electronics: Employed in automotive systems for storing configuration data, error logs, and firmware updates.
3. Industrial Control Systems: Utilized in industrial control systems for storing program code, configuration parameters, and historical data.

Detailed and Complete Alternative Models

1. AT27C256R-90TU: Similar to the AT27LV256A-90TU, this model offers non-volatile memory with a capacity of 256 kilobits and a fast access time of 90 nanoseconds.
2. AT28C256-15PU: This alternative model provides non-volatile memory with a capacity of 256 kilobits and a slightly slower access time of 150 nanoseconds.
3. AT29C256-12PC: Another alternative model with a capacity of 256 kilobits and a faster access time of 120 nanoseconds.

These alternative models offer similar functionality and can be considered as replacements for the AT27LV256A-90TU depending on specific requirements.

In conclusion, the AT27LV256A-90TU is an integrated circuit that provides