AT27LV256A-12RI

Product Overview

Category

AT27LV256A-12RI belongs to the category of integrated circuits (ICs) and specifically falls under the non-volatile memory category.

Use

This product is primarily used for storing data in electronic devices, such as microcontrollers, computers, and other digital systems. It provides non-volatile storage, meaning the data remains intact even when power is removed.

Characteristics

• Non-volatile: Retains data even without power supply.
• High capacity: The AT27LV256A-12RI has a storage capacity of 256 kilobits.
• Fast access time: With a speed rating of 12 nanoseconds, it allows for quick retrieval of stored data.
• Low power consumption: Designed to operate efficiently with minimal power requirements.

Package

The AT27LV256A-12RI is available in a standard 28-pin dual in-line package (DIP). This package type is commonly used for ICs and facilitates easy integration into circuit boards.

Essence

The essence of the AT27LV256A-12RI lies in its ability to provide reliable and non-volatile storage for electronic devices. It ensures that critical data is preserved, even during power interruptions or system shutdowns.

Packaging/Quantity

The AT27LV256A-12RI is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package varies but is commonly available in quantities of 100 or more.

Specifications

• Memory Type: Non-volatile
• Capacity: 256 kilobits
• Access Time: 12 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin DIP

Detailed Pin Configuration

The AT27LV256A-12RI features a 28-pin configuration with the following pin assignments:

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. A8: Address Input
10. A9: Address Input
11. A10: Address Input
12. A11: Address Input
13. A12: Address Input
14. A13: Address Input
15. A14: Address Input
16. /OE: Output Enable
17. /CE: Chip Enable
18. /WE: Write Enable
19. I/O0: Data Input/Output
20. I/O1: Data Input/Output
21. I/O2: Data Input/Output
22. I/O3: Data Input/Output
23. I/O4: Data Input/Output
24. I/O5: Data Input/Output
25. I/O6: Data Input/Output
26. I/O7: Data Input/Output
27. Vcc: Power Supply (5V)
28. GND: Ground

Functional Features

The AT27LV256A-12RI offers the following functional features:

• Non-volatile storage: Retains data even without power supply.
• Random access: Allows for quick retrieval of stored data.
• Low power consumption: Operates efficiently with minimal power requirements.
• Easy integration: Standard 28-pin DIP package facilitates seamless integration into electronic circuits.

Advantages and Disadvantages

Advantages

• Reliable non-volatile storage solution.
• Fast access time for efficient data retrieval.
• Low power consumption for energy-efficient operation.
• Easy integration into existing circuit designs.

Disadvantages

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

Working Principles

The AT27LV256A-12RI utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve data. When powered, the chip enables read and write operations based on the control signals received from the connected system. The address inputs specify the location in memory where data is to be accessed or written. The data inputs/outputs facilitate the transfer of information between the chip and the external system.

Detailed Application Field Plans

The AT27LV256A-12RI finds applications in various fields, including:

1. Microcontrollers: Used for storing program code and critical data in microcontroller-based systems.
2. Computers: Employed as non-volatile memory for BIOS (Basic Input/Output System) and firmware storage.
3. Industrial Control Systems: Utilized for data logging and configuration storage in industrial automation systems.
4. Automotive Electronics: Integrated into automotive control units for storing calibration data and firmware.

Detailed and Complete Alternative Models

1. AT28C256-