AT27LV256A-90RU

Product Overview

Category

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

Use

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

Characteristics

• High storage capacity: The AT27LV256A-90RU has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 90 nanoseconds, allowing for quick data retrieval.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Reliable performance: The AT27LV256A-90RU offers reliable and stable operation, ensuring data integrity.

Package

The AT27LV256A-90RU is available in a compact and durable package, which protects the integrated circuit from external damage.

Essence

The essence of the AT27LV256A-90RU lies in its ability to store and retrieve digital information efficiently and reliably.

Packaging/Quantity

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

Specifications

• Storage Capacity: 256 kilobits
• Access Time: 90 nanoseconds
• Operating Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin DIP (Dual Inline Package)

Detailed Pin Configuration

The AT27LV256A-90RU features a 28-pin Dual Inline Package (DIP). 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. /OE (Output Enable)
17. /CE (Chip Enable)
18. /WE (Write Enable)
19. VSS (Ground)
20. DQ0 (Data Input/Output 0)
21. DQ1 (Data Input/Output 1)
22. DQ2 (Data Input/Output 2)
23. DQ3 (Data Input/Output 3)
24. DQ4 (Data Input/Output 4)
25. DQ5 (Data Input/Output 5)
26. DQ6 (Data Input/Output 6)
27. DQ7 (Data Input/Output 7)
28. VCC (Power Supply)

Functional Features

The AT27LV256A-90RU offers the following functional features:

• Read and write operations: It allows for both reading and writing of digital data.
• Output enable control: The /OE pin enables or disables the output, providing flexibility in data access.
• Chip enable control: The /CE pin activates or deactivates the chip, allowing for efficient power management.
• Write enable control: The /WE pin controls the write operation, ensuring data integrity.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Reliable performance

Disadvantages

• Limited storage capacity compared to higher-end ICs
• Requires external circuitry for proper interfacing

Working Principles

The AT27LV256A-90RU operates based on the principles of non-volatile memory. It utilizes electrically erasable programmable read-only memory (EEPROM) technology to store and retrieve digital information. The IC stores data in a series of memory cells, which can be electrically programmed and erased as needed.

Detailed Application Field Plans

The AT27LV256A-90RU finds applications in various electronic devices, including but not limited to:

1. Microcontrollers: It can be used as a storage component in microcontroller-based systems.
2. Consumer Electronics: The IC can be integrated into consumer electronics such as digital cameras, MP3 players, and gaming consoles for data storage purposes.
3. Industrial Control Systems: It is suitable for use in industrial control systems that require reliable and non-volatile memory for storing critical data.
4. Automotive Electronics: The AT27LV256A-90RU can be utilized in automotive electronics for applications like engine control units (ECUs) and infotainment systems.

Detailed and Complete Alternative Models

1. AT28C256-15PU: This alternative model offers the same storage capacity and similar performance characteristics.
2. AM29F040B-90JC: With a higher storage capacity of 4 megabits, this alternative model provides increased memory space.
3. W27C512-45Z