AT27C2048-15VI

Product Overview

Category

AT27C2048-15VI belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It is commonly employed in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT27C2048-15VI has a capacity of 2,048 kilobits (256 kilobytes).
• Fast access time: With a speed rating of 150 nanoseconds, it provides quick access to stored data.
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

The AT27C2048-15VI is available in a 40-pin dual in-line package (DIP), which is a common form factor for integrated circuits.

Essence

The essence of this product lies in its ability to store data permanently, ensuring that critical information remains intact even in the absence of power.

Packaging/Quantity

The AT27C2048-15VI is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 2,048 kilobits (256 kilobytes)
• Access Time: 150 nanoseconds
• Operating Voltage: 5 volts
• Package Type: 40-pin DIP

Detailed Pin Configuration

1. A16 - Address Input
2. A15 - Address Input
3. A12 - Address Input
4. A7 - Address Input
5. A6 - Address Input
6. A5 - Address Input
7. A4 - Address Input
8. A3 - Address Input
9. A2 - Address Input
10. A1 - Address Input
11. A0 - Address Input
12. /OE - Output Enable
13. /CE - Chip Enable
14. VCC - Power Supply
15. DQ0 - Data Input/Output
16. DQ1 - Data Input/Output
17. DQ2 - Data Input/Output
18. DQ3 - Data Input/Output
19. DQ4 - Data Input/Output
20. DQ5 - Data Input/Output
21. DQ6 - Data Input/Output
22. DQ7 - Data Input/Output
23. VSS - Ground
24. NC - No Connection
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection
29. NC - No Connection
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection
33. NC - No Connection
34. NC - No Connection
35. NC - No Connection
36. NC - No Connection
37. NC - No Connection
38. NC - No Connection
39. NC - No Connection
40. NC - No Connection

Functional Features

• Permanent data storage: The AT27C2048-15VI allows for the permanent storage of data, ensuring its integrity even in the absence of power.
• High-speed access: With a fast access time of 150 nanoseconds, this chip enables quick retrieval of stored information.
• Easy integration: The 40-pin DIP package facilitates easy integration into various electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention without power supply.
• High storage capacity allows for storing a significant amount of data.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Data cannot be modified or erased once programmed, limiting its flexibility compared to other memory types.
• Limited endurance: The number of write cycles is typically lower compared to other memory technologies.

Working Principles

The AT27C2048-15VI utilizes a technology known as electrically programmable read-only memory (EPROM). It consists of a grid of memory cells that can be programmed by applying electrical signals. Once programmed, the data remains stored in the memory cells until the chip is replaced.

Detailed Application Field Plans

The AT27C2048-15VI finds applications in various fields, including: 1. Embedded systems: Used for firmware storage in microcontrollers and other embedded devices. 2. Automotive electronics: Employed for storing critical data such as calibration parameters and configuration settings. 3. Industrial control systems: Utilized for storing program code and configuration data in industrial automation equipment. 4. Consumer electronics: Used in devices like gaming consoles and set-top boxes