AT27LV256A-90JC

Product Overview

Category

AT27LV256A-90JC 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-90JC retains stored data even when power is removed.
• High capacity: This IC has a storage capacity of 256 kilobits.
• Fast access time: The access time for this device is 90 nanoseconds.
• Low power consumption: The AT27LV256A-90JC operates on low power, making it suitable for battery-powered devices.

Package

The AT27LV256A-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

This IC is an electrically erasable programmable read-only memory (EEPROM) chip that allows for non-volatile data storage.

Packaging/Quantity

The AT27LV256A-90JC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Pin Configuration

The AT27LV256A-90JC has a total of 32 pins. 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 (Supply Voltage)
29. NC (No Connection)
30. NC (No Connection)
31. NC (No Connection)
32. NC (No Connection)

Functional Features

• High-speed operation: The AT27LV256A-90JC allows for fast read and write operations, making it suitable for applications requiring quick access to data.
• Easy integration: This IC can be easily integrated into existing electronic systems due to its standard pin configuration and compatibility with common interface protocols.
• Reliable data storage: The non-volatile nature of this memory chip ensures that stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even without power.
• High storage capacity for a wide range of applications.
• Fast access time allows for efficient data retrieval.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per bit compared to some alternative memory solutions.
• Limited endurance for write cycles compared to other memory types.

Working Principles

The AT27LV256A-90JC operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses a combination of electronic circuits and floating gate transistors to store and retrieve digital information. The stored data can be modified through specific electrical signals, allowing for reprogramming of the memory.

Detailed Application Field Plans

The AT27LV256A-90JC is widely used in various electronic devices and systems, including but not limited to: - Consumer electronics: Used in digital cameras, portable media players, and gaming consoles for data storage. - Automotive industry: Employed in car audio systems, navigation devices, and engine control units for storing critical information. - Industrial automation: Utilized in programmable logic controllers (PLCs), robotics, and control systems for data storage and retrieval. - Communication systems: Integrated into routers, switches, and network equipment for configuration and firmware storage.

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar capacity and functionality, with a different package type (DIP).
2. 29F040B-90JC: Higher capacity (4 megabits)