AT27C080-90JC

Product Overview

Category

AT27C080-90JC 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 AT27C080-90JC has a capacity of 8 megabits (1 megabyte).
• Fast access time: With an access time of 90 nanoseconds, it provides quick retrieval of stored information.
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

The AT27C080-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to store large amounts of data in a non-volatile manner, ensuring data integrity even without power supply.

Packaging/Quantity

The AT27C080-90JC is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Capacity: 8 megabits (1 megabyte)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27C080-90JC features a 32-pin configuration. The pins are assigned specific functions as follows:

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. /WE: Write Enable
24. /PGM: Program Enable
25. /VPP: Programming Voltage
26. GND: Ground
27. NC: No Connection
28. A14: Address Input
29. A13: Address Input
30. A8: Address Input
31. A9: Address Input
32. A11: Address Input

Functional Features

The AT27C080-90JC offers the following functional features:

• Non-volatile storage: The chip retains data even when power is removed.
• High-speed access: With an access time of 90 nanoseconds, it provides quick retrieval of stored information.
• Easy integration: The chip can be easily integrated into various electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• The data stored in the AT27C080-90JC cannot be modified or erased, limiting its flexibility compared to other types of memory.
• The chip requires a programming voltage (/VPP) for initial programming, which may add complexity to the system design.

Working Principles

The AT27C080-90JC operates based on the principle of electrical charge trapping. During the programming process, electrical charges are trapped in specific memory cells, representing the stored data. These charges remain trapped even when power is removed, allowing for non-volatile storage.

Detailed Application Field Plans

The AT27C080-90JC finds applications in various fields, including:

1. Embedded Systems: It can be used in embedded systems to store firmware, boot code, and configuration data.
2. Automotive Electronics: The chip can be employed in automotive electronics for storing critical data such as calibration parameters and diagnostic information.
3. Industrial Control Systems: It finds use in industrial control systems for storing program instructions and configuration settings.
4. Consumer Electronics: The AT27C080-90JC can be utilized in consumer electronics devices like