AT27C080-90RI

Product Overview

Category

AT27C080-90RI 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 AT27C080-90RI has a storage 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 AT27C080-90RI is available in a 32-pin 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 devices.

Packaging/Quantity

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

Specifications

• Storage Capacity: 8 Megabits (1 Megabyte)
• Access Time: 90 Nanoseconds
• Operating Voltage: 5 Volts
• Operating Temperature Range: -40°C to +85°C
• Pin Count: 32
• Package Type: Plastic Dual In-Line Package (PDIP)

Detailed Pin Configuration

The AT27C080-90RI 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. WE#
14. OE#
15. CE#
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 AT27C080-90RI can be programmed using standard PROM programming equipment.
• High reliability: The stored data is resistant to accidental erasure or modification, ensuring the integrity of critical information.
• Low power consumption: The chip operates at low power levels, making it suitable for battery-powered devices.
• Compatibility: It is compatible with a wide range of microcontrollers and other electronic components.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Durable design withstands harsh environmental conditions.

Disadvantages

• Once programmed, the data cannot be modified or erased, limiting flexibility.
• Higher cost compared to other types of memory chips.
• Limited write endurance compared to other memory technologies.

Working Principles

The AT27C080-90RI utilizes a technology called electrically programmable read-only memory (EPROM). It stores data by trapping electrical charges in specific memory cells, which can be accessed and read by the device's controller. The stored data remains intact even when power is turned off, making it non-volatile.

Detailed Application Field Plans

The AT27C080-90RI finds applications in various electronic devices, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Medical equipment - Communication devices

Detailed and Complete Alternative Models

Some alternative models to the AT27C080-90RI include: - AT27C040-90JI - AT27C256R-70PU - AT27LV010A-12JC

These models offer similar functionality and characteristics, but may differ in storage capacity, access time, or package type.

In conclusion, the AT27C080-90RI is a programmable read-only memory chip that provides reliable and non-volatile storage for critical data. With its high storage capacity, fast access time, and durability, it is widely used in various electronic devices across different industries.