AT27C2048-12VC

Product Overview

Category

AT27C2048-12VC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used in electronic devices for storing permanent data that cannot be modified or erased. It provides non-volatile memory storage, making it ideal for applications where data integrity is crucial.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High density: The AT27C2048-12VC offers a large storage capacity of 2,048 kilobits (256 kilobytes).
• Fast access time: With a speed rating of 12 nanoseconds, it ensures quick retrieval of data.
• Low power consumption: The chip operates efficiently, minimizing energy usage.
• Durable: Designed to withstand harsh environmental conditions and provide reliable performance.

Package and Quantity

The AT27C2048-12VC is available in a standard 32-pin dual in-line package (DIP). Each package contains one chip.

Specifications

• Memory Capacity: 2,048 kilobits (256 kilobytes)
• Access Time: 12 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin DIP

Pin Configuration

The AT27C2048-12VC has the following pin configuration:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. E (Chip Enable)
13. G (Output Enable)
14. Vcc (+5V Power Supply)
15. Q7
16. Q6
17. Q5
18. Q4
19. Q3
20. Q2
21. Q1
22. Q0
23. Vss (Ground)
24. A14
25. A13
26. A8
27. A9
28. A11
29. A10
30. OE#/WE#
31. CE#
32. NC (No Connection)

Functional Features

• Easy programming: The AT27C2048-12VC supports parallel programming, allowing for convenient and efficient data storage.
• High reliability: The PROM chip offers excellent data retention and endurance, ensuring long-term reliability.
• Compatibility: It is compatible with a wide range of microcontrollers and other electronic devices.
• Security: The one-time programmable nature of the chip provides protection against unauthorized modifications.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity.
• Large storage capacity for extensive data requirements.
• Fast access time enables quick retrieval of information.
• Low power consumption for energy-efficient operation.
• Durable design for reliable performance in various environments.

Disadvantages

• Inability to modify or erase stored data can be a limitation in certain applications.
• Limited number of write cycles compared to other memory technologies.

Working Principles

The AT27C2048-12VC operates based on the principle of electrical charge trapping. During programming, the desired data is written into the memory cells by applying appropriate voltage levels to specific pins. Once programmed, the data remains stored until the chip is replaced or reprogrammed.

Application Field Plans

The AT27C2048-12VC finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Communication equipment

Alternative Models

Other alternative models that offer similar functionality to the AT27C2048-12VC include: 1. AT28C256-15PU 2. AM29F040B-90JC 3. M27C4001-10F1

These models provide comparable storage capacity, access time, and package options.

In conclusion, the AT27C2048-12VC is a programmable read-only memory chip that offers high-density storage, fast access times, and low power consumption. Its non-volatile nature ensures data integrity, making it suitable for various applications in different industries. While it has limitations regarding data modification and write cycles, alternative models are available to meet specific requirements.