AT27C080-90JU

Product Overview

Category

AT27C080-90JU 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 used 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 AT27C080-90JU has a storage capacity of 8 megabits (1 megabyte).
• Fast access time: The chip has a fast access time of 90 nanoseconds.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

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

Essence

The essence of AT27C080-90JU lies in its ability to provide reliable and non-volatile storage for critical data in various electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of AT27C080-90JU chips.

Specifications

• Storage Capacity: 8 Megabits (1 Megabyte)
• Access Time: 90 Nanoseconds
• Operating Voltage: 5V
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27C080-90JU chip has a total of 32 pins. The pin configuration is as follows:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
13. OE#
14. CE#
15. WE#
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. GND
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. VCC
32. NC

Functional Features

• Non-volatile storage: The AT27C080-90JU retains data even when power is removed.
• Fast access time: With an access time of 90 nanoseconds, it allows for quick retrieval of stored data.
• Easy integration: The chip can be easily integrated into various electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Reliable non-volatile storage
• Fast access time
• Low power consumption
• Easy integration into electronic systems

Disadvantages

• Data cannot be modified or erased once programmed
• Limited storage capacity compared to other memory technologies

Working Principles

The AT27C080-90JU operates based on the principle of electrically programmable read-only memory (EPROM). It uses a floating-gate transistor structure to store data in a non-volatile manner. Once programmed, the stored data remains intact until the chip is replaced.

Detailed Application Field Plans

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

1. Embedded Systems: Used for firmware storage in microcontrollers and other embedded devices.
2. Automotive Electronics: Used for storing critical data in automotive control units.
3. Industrial Control Systems: Utilized for non-volatile storage of configuration data in industrial automation systems.
4. Consumer Electronics: Used in devices such as set-top boxes, gaming consoles, and digital cameras for storing firmware or configuration data.

Detailed and Complete Alternative Models

1. AT27C040-90JU: 4 Megabit (512 Kilobyte) version of the same PROM chip.
2. AT27C256R-45JU: 256 Kilobit (32 Kilobyte) version with a slower access time.
3. AT27LV010A-12JI: Low-voltage version with a storage capacity of 1 Megabit (128 Kilobytes).

These alternative models provide different storage capacities and access times to suit specific application requirements.

Word count: 529 words