AT27LV256A-55TI

Product Overview

Category

AT27LV256A-55TI 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-55TI has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: With a speed rating of 55 nanoseconds, it offers quick data retrieval.
• Low power consumption: Designed to operate efficiently with minimal power requirements.

Package

The AT27LV256A-55TI is available in a standard 28-pin plastic dual in-line package (PDIP). This package ensures compatibility with various electronic systems and facilitates easy integration.

Essence

The essence of the AT27LV256A-55TI lies in its ability to provide reliable and non-volatile data storage in electronic devices. It offers a balance between capacity, speed, and power consumption, making it suitable for a wide range of applications.

Packaging/Quantity

The AT27LV256A-55TI is typically packaged in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Memory Type: Non-volatile
• Capacity: 256 kilobits (32 kilobytes)
• Access Time: 55 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin PDIP

Detailed Pin Configuration

The AT27LV256A-55TI has a total of 28 pins, each serving a specific purpose. The pin configuration is 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. 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. DQ0: Data Input/Output
20. DQ1: Data Input/Output
21. DQ2: Data Input/Output
22. DQ3: Data Input/Output
23. DQ4: Data Input/Output
24. DQ5: Data Input/Output
25. DQ6: Data Input/Output
26. DQ7: Data Input/Output
27. VCC: Power Supply (5V)
28. GND: Ground

Functional Features

The AT27LV256A-55TI offers the following functional features:

• Non-volatile storage: Retains data even without power supply.
• Random access: Allows quick retrieval of data from any memory location.
• Easy integration: Compatible with various electronic systems due to its standard package and pin configuration.
• Low power consumption: Operates efficiently with minimal power requirements.

Advantages and Disadvantages

Advantages

• Reliable non-volatile storage solution.
• Fast access time for quick data retrieval.
• Suitable for a wide range of applications.
• Easy integration into existing electronic systems.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Requires a 5V power supply, which may not be compatible with all devices.

Working Principles

The AT27LV256A-55TI utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve data. When powered on, the chip enables access to the stored data based on the address provided. The data can be read or written depending on the control signals received through the input pins (/OE, /CE, /WE). The non-volatile nature of the memory cells ensures that the data remains intact even when power is removed.

Detailed Application Field Plans

The AT27LV256A-55TI finds application in various fields where reliable non-volatile storage is required. Some potential application areas include:

1. Microcontrollers: Used for storing firmware, configuration data, and other critical information.
2. Computers: Employed in BIOS chips, expansion cards, and other memory-dependent components.
3. Industrial Control Systems: Provides non-volatile storage for critical system parameters