AT27LV020A-90VC

Product Overview

Category

AT27LV020A-90VC 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 AT27LV020A-90VC retains stored data even when power is removed.
• High capacity: This IC has a storage capacity of 2 megabits (256 kilobytes).
• Low voltage operation: It operates at a voltage of 3.3V, making it suitable for low-power applications.
• Fast access time: The AT27LV020A-90VC offers a fast access time of 90 nanoseconds.

Package

The AT27LV020A-90VC is available in a standard 32-pin plastic package.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage with high capacity and fast access times.

Packaging/Quantity

The AT27LV020A-90VC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Type: Flash EEPROM
• Memory Size: 2 Megabits (256 Kilobytes)
• Supply Voltage: 3.3V
• Access Time: 90 ns
• Package Type: 32-pin Plastic Package

Detailed Pin Configuration

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. A15 - Address Input
17. CE - Chip Enable Input
18. OE - Output Enable Input
19. WE - Write Enable Input
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. I/O4 - Data Input/Output
25. I/O5 - Data Input/Output
26. I/O6 - Data Input/Output
27. I/O7 - Data Input/Output
28. VCC - Power Supply
29. GND - Ground
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection

Functional Features

• Non-volatile storage: The AT27LV020A-90VC retains data even when power is removed.
• High-speed access: With an access time of 90 ns, it allows for fast data retrieval and storage.
• Low power consumption: Operating at a voltage of 3.3V, it is suitable for low-power applications.
• Easy integration: The IC can be easily integrated into various electronic devices due to its standard package.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention.
• High storage capacity of 2 megabits.
• Fast access time of 90 ns.
• Low power consumption.

Disadvantages

• Limited pin configuration options.
• May require additional components for proper interfacing.

Working Principles

The AT27LV020A-90VC utilizes flash EEPROM technology to store and retrieve digital information. It consists of an array of memory cells that can be electrically programmed and erased. The address inputs are used to select the desired memory location, while the data inputs/outputs facilitate the reading and writing of data. The chip enable (CE), output enable (OE), and write enable (WE) inputs control the operation of the IC.

Detailed Application Field Plans

The AT27LV020A-90VC is widely used in various electronic devices that require non-volatile memory storage. Some common application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and portable gaming devices for storing firmware, settings, and user data.
2. Automotive: Employed in car audio systems, navigation systems, and engine control units for storing critical data and software.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs), industrial monitors, and data loggers for storing configuration data and logged information.
4. Communication Systems: Integrated into routers, switches, and network equipment for storing firmware and configuration settings.

Detailed and Complete Alternative Models

1. AT27C010-70PU: 1 Megabit (128 Kilobytes) Flash EEPROM with a 70 ns access