AT27C080-90PC

Product Overview

Category

AT27C080-90PC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used for storing permanent data that needs to be retained even when power is turned off. It allows users to program and store data that cannot be modified or erased.

Characteristics

• Non-volatile: The stored data remains intact even without power.
• High storage capacity: The AT27C080-90PC has a storage capacity of 8 megabits (1 megabyte).
• Fast access time: It offers a fast access time of 90 nanoseconds.
• Durable: This PROM chip has a long lifespan and can withstand multiple read operations.

Package

The AT27C080-90PC comes in a 32-pin plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to provide non-volatile storage for important data, ensuring its retention even during power outages or system shutdowns.

Packaging/Quantity

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

Specifications

• Storage Capacity: 8 Megabits (1 Megabyte)
• Access Time: 90 Nanoseconds
• Operating Voltage: 5V
• Package Type: 32-pin PDIP
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT27C080-90PC has a total of 32 pins. Here is the detailed 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. 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. VCC
25. GND
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Easy programming: The AT27C080-90PC can be easily programmed using standard PROM programming equipment.
• High-speed access: It offers fast access times, allowing for quick retrieval of stored data.
• Non-volatile storage: The data stored in this PROM chip remains intact even when power is turned off.
• Reliable performance: This chip has a high level of reliability and durability, making it suitable for critical applications.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention during power outages.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Durable and reliable performance ensures long-term usability.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited flexibility compared to other types of memory chips.
• Relatively higher cost compared to some alternative memory solutions.

Working Principles

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

Detailed Application Field Plans

The AT27C080-90PC finds application in various fields where permanent data storage is required. Some of the common application areas include: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• AT27C040: 4 Megabit (512 Kilobyte) PROM chip with similar characteristics.
• AT27C256R: 256 Kilobit (32 Kilobyte) PROM chip with lower storage capacity.
• AT28C64B: 64 Kilobit (8 Kilobyte) EEPROM chip with reprogrammable capabilities.

These alternative models offer different storage capacities and functionalities, allowing users to choose the most suitable option for their specific requirements.

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