AT27LV256A-15TI

Product Overview

Category

AT27LV256A-15TI 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-15TI retains stored data even when power is removed.
• High storage capacity: This IC has a capacity of 256 kilobits (32 kilobytes).
• Fast access time: The AT27LV256A-15TI has a maximum access time of 150 nanoseconds.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT27LV256A-15TI is available in a standard 28-pin plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to provide non-volatile memory storage in a compact and efficient form.

Packaging/Quantity

The AT27LV256A-15TI is typically packaged in reels or tubes. The exact quantity per package may vary depending on the supplier.

Specifications

• Memory Type: Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Organization: 32K x 8 bits
• Supply Voltage: 4.5V to 5.5V
• Access Time: 150 ns
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Package Type: 28-pin PDIP

Detailed Pin Configuration

1. A14
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. CE (Chip Enable)
12. OE (Output Enable)
13. WE (Write Enable)
14. VSS (Ground)
15. DQ0
16. DQ1
17. DQ2
18. DQ3
19. DQ4
20. DQ5
21. DQ6
22. DQ7
23. NC (No Connection)
24. VCC (Power Supply)
25. A8
26. A9
27. A11
28. A13

Functional Features

• Chip Enable (CE): Activates the IC for read or write operations.
• Output Enable (OE): Enables the output buffers to drive the data bus.
• Write Enable (WE): Controls the writing of data into the memory.
• Data Inputs/Outputs (DQ0-DQ7): Bidirectional pins for data transfer.
• Address Inputs (A0-A14): Selects the memory location for read or write operations.

Advantages and Disadvantages

Advantages

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

Disadvantages

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

Working Principles

The AT27LV256A-15TI utilizes EEPROM technology to store and retrieve digital information. It employs a combination of electronic circuits and floating gate transistors to store data in non-volatile memory cells. The stored data can be accessed by providing the appropriate address and control signals.

Detailed Application Field Plans

The AT27LV256A-15TI is widely used in various applications, including but not limited to: - Consumer electronics: Used in devices such as digital cameras, MP3 players, and set-top boxes for data storage. - Automotive electronics: Employed in automotive control units for storing calibration data and firmware. - Industrial automation: Utilized in programmable logic controllers (PLCs) for storing program code and configuration data. - Communication systems: Integrated into networking equipment and routers for storing configuration settings.

Detailed and Complete Alternative Models

1. AT27C256R-15TI: Similar to AT27LV256A-15TI but with a different memory technology (UV-erasable EPROM).
2. AT28C256-15TI: Offers the same capacity and characteristics as AT27LV256A-15TI but with a different pin configuration.
3. AT29C256-12PC: Provides similar functionality and capacity but operates at a lower voltage range.

These alternative models offer similar capabilities and can be considered as substitutes depending on specific requirements and compatibility constraints.

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