AT27C080-90PU

Product Overview

Category

AT27C080-90PU 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.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High storage capacity: The AT27C080-90PU has a capacity of 8 megabits (1 megabyte).
• Fast access time: It operates at a speed of 90 nanoseconds, allowing for quick retrieval of data.
• Durable: The chip is designed to withstand harsh environmental conditions and has a long lifespan.

Package

The AT27C080-90PU is available in a plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for critical data in electronic systems.

Packaging/Quantity

The AT27C080-90PU is typically sold in reels containing 25 pieces.

Specifications

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

Detailed Pin Configuration

The AT27C080-90PU 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. A8
28. A9
29. A11
30. A10
31. A13
32. A14

Functional Features

• Easy programming: The AT27C080-90PU can be programmed using standard PROM programming equipment.
• Non-volatile storage: The stored data remains intact even when power is disconnected.
• High-speed access: The chip allows for quick retrieval of data with a fast access time of 90 nanoseconds.

Advantages and Disadvantages

Advantages

• Reliable and durable storage solution.
• Non-volatile memory ensures data integrity.
• Fast access time for efficient data retrieval.

Disadvantages

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

Working Principles

The AT27C080-90PU operates based on the principle of electrical charge trapping. During programming, the memory cells are selectively charged or uncharged to represent the desired data. Once programmed, the stored data can be read by applying appropriate voltage levels to the chip's pins.

Detailed Application Field Plans

The AT27C080-90PU finds applications in various electronic systems, including: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the AT27C080-90PU include: - AT27C040-90PU: 4 megabit (512 kilobyte) capacity, 90 nanoseconds access time. - AT27C256R-45PU: 256 kilobit (32 kilobyte) capacity, 45 nanoseconds access time. - AT27C512R-70PU: 512 kilobit (64 kilobyte) capacity, 70 nanoseconds access time.

These alternative models offer different storage capacities and access times to cater to specific application requirements.

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