AT27C2048-55JU

Product Overview

Category

AT27C2048-55JU belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is primarily used for storing data that needs to be permanently stored and cannot be modified. It is commonly used in applications where non-volatile memory is required, such as in embedded systems, microcontrollers, and other electronic devices.

Characteristics

• Non-volatile: The data stored in the AT27C2048-55JU remains intact even when power is removed.
• High storage capacity: This chip has a storage capacity of 2,048 kilobits (256 kilobytes).
• Fast access time: The AT27C2048-55JU offers a fast access time of 55 nanoseconds, allowing for quick retrieval of data.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Durable: The chip is designed to withstand harsh environmental conditions and has a long lifespan.

Package

The AT27C2048-55JU is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the AT27C2048-55JU lies in its ability to provide reliable and non-volatile storage for critical data in various electronic applications.

Packaging/Quantity

The AT27C2048-55JU is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Storage Capacity: 2,048 kilobits (256 kilobytes)
• Access Time: 55 nanoseconds
• Operating Voltage: 5V
• Package Type: 32-pin PLCC
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT27C2048-55JU has a total of 32 pins, each serving a specific purpose. 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. A15
17. /OE (Output Enable)
18. /CE (Chip Enable)
19. /WE (Write Enable)
20. VPP (Programming Voltage)
21. NC (No Connection)
22. DQ0
23. DQ1
24. DQ2
25. DQ3
26. DQ4
27. DQ5
28. DQ6
29. DQ7
30. VCC (Power Supply)
31. GND (Ground)
32. NC (No Connection)

Functional Features

• Non-volatile storage: The AT27C2048-55JU retains data even when power is removed.
• Fast access time: Allows for quick retrieval of stored data.
• Easy integration: Can be easily integrated into various electronic systems.
• Low power consumption: Operates on low power, making it suitable for battery-powered devices.
• Durable design: Withstands harsh environmental conditions and offers long-term reliability.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity.
• High storage capacity for storing large amounts of data.
• Fast access time allows for efficient data retrieval.
• Low power consumption prolongs battery life.
• Durable design ensures reliability in challenging environments.

Disadvantages

• Data cannot be modified once programmed.
• Limited storage capacity compared to other memory technologies.
• Relatively higher cost compared to some alternative memory options.

Working Principles

The AT27C2048-55JU is based on the principle of electrically erasable programmable read-only memory (EEPROM). It uses a grid of transistors and capacitors to store data in a non-volatile manner. The stored data can be accessed by providing the appropriate address and control signals.

Detailed Application Field Plans

The AT27C2048-55JU finds applications in various fields, including:

1. Embedded Systems: Used for firmware storage in microcontrollers and other embedded systems.
2. Automotive Electronics: Stores critical data in automotive electronic control units (ECUs).
3. Industrial Automation: Used for storing configuration data in industrial automation systems.
4. Medical Devices: Stores firmware and calibration data in medical devices.
5. Consumer Electronics: Used in devices like gaming consoles, set-top boxes, and digital cameras for firmware storage.

Detailed and Complete Alternative Models

1. AT28C256-15PU: