AT27C080-12TC

Product Overview

Category

AT27C080-12TC 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 permanently, making it ideal for applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is disconnected.
• Programmable: Users can write data into the memory using specific programming techniques.
• Read-only: Once programmed, the data cannot be modified or erased.

Package

AT27C080-12TC is available in a 32-pin Thin Small Outline Package (TSOP). This package offers a compact form factor and is suitable for space-constrained applications.

Essence

The essence of AT27C080-12TC lies in its ability to provide reliable and non-volatile storage for critical data in various electronic devices.

Packaging/Quantity

AT27C080-12TC is typically packaged in reels containing a specified quantity of chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Part Number: AT27C080-12TC
• Memory Size: 8 Megabits (1 Megabyte)
• Access Time: 120 ns
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years

Pin Configuration

The pin configuration of AT27C080-12TC is as follows:

```

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| | | 1 32 | |_______________|

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. A8 ```

Functional Features

• High-speed access: The AT27C080-12TC offers fast access times, allowing for efficient data retrieval.
• Low power consumption: This PROM chip is designed to minimize power consumption, making it suitable for battery-powered devices.
• Easy integration: The chip can be easily integrated into existing electronic systems due to its standard pin configuration and compatibility with common interfaces.

Advantages and Disadvantages

Advantages

• Non-volatile storage: The ability to retain data without power makes it ideal for critical applications.
• Fast access times: Allows for quick retrieval of stored data.
• Low power consumption: Suitable for energy-efficient devices.

Disadvantages

• Limited write capability: Once programmed, the data cannot be modified or erased, limiting its flexibility compared to other memory technologies.
• Relatively small memory size: With a capacity of 8 Megabits, it may not be sufficient for applications requiring larger storage capacities.

Working Principles

AT27C080-12TC utilizes a technology called electrically erasable programmable read-only memory (EEPROM). It stores data by trapping electrical charges in specific memory cells. These charges represent the binary values of the stored data. The trapped charges remain intact even when power is disconnected, allowing for non-volatile storage.

Detailed Application Field Plans

AT27C080-12TC finds applications in various fields, including: 1. Embedded systems: Used to store firmware and configuration data in microcontrollers and other embedded devices. 2. Automotive electronics: Employed for storing critical data such as calibration values and vehicle-specific settings. 3. Industrial control systems: Utilized for storing program code and configuration parameters in industrial automation equipment.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT27C080-12TC include: - AT28C64B-15PU: 64 Kilobit (8 Kilobyte) EEPROM chip with a 150 ns access time. - AM29F040B-90JC: 4 Megabit (512 Kilobyte) Flash memory chip with a 90 ns access time. - M27C256B-10F1: 256 Kilobit (32 Kilobyte) EPROM chip with a 100 ns access time.

These alternative models provide different memory capacities and access times, allowing users to choose the most suitable option