AT27C080-12TI

Product Overview

Category

AT27C080-12TI belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is commonly used for storing data that needs to be permanently written and cannot be modified or erased. It is widely utilized in various electronic devices and systems.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT27C080-12TI has a capacity of 8 megabits (1 megabyte).
• Fast access time: The chip operates at a speed of 120 nanoseconds.
• Low power consumption: It requires minimal power to operate efficiently.

Package

The AT27C080-12TI is available in a standard 32-pin dual in-line package (DIP).

Essence

The essence of this PROM chip lies in its ability to store large amounts of data reliably and securely, making it an essential component in many electronic systems.

Packaging/Quantity

The AT27C080-12TI is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Capacity: 8 Megabits (1 Megabyte)
• Access Time: 120 Nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin DIP

Detailed Pin Configuration

The AT27C080-12TI chip has a total of 32 pins, each serving a specific function. 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. E (Chip Enable)
13. G (Output Enable)
14. VCC (+5V Power Supply)
15. Q7
16. Q6
17. Q5
18. Q4
19. Q3
20. Q2
21. Q1
22. Q0
23. CE (Chip Erase)
24. OE (Output Enable)
25. WE (Write Enable)
26. NC (No Connection)
27. A8
28. A9
29. A11
30. A10
31. A13
32. A14

Functional Features

• Non-volatile storage: The AT27C080-12TI retains data even when power is removed.
• High-speed access: With an access time of 120 nanoseconds, it provides quick retrieval of stored information.
• 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 data storage: The non-volatile nature ensures that the stored data remains intact over extended periods.
• Fast access time: The chip allows for quick retrieval of information, enhancing overall system performance.
• Low power consumption: It consumes minimal power, making it suitable for battery-powered devices.

Disadvantages

• Limited write capability: The data stored in the AT27C080-12TI cannot be modified or erased, limiting its flexibility compared to other memory technologies.
• Relatively small capacity: While 8 megabits is sufficient for many applications, it may not meet the requirements of high-capacity data storage needs.

Working Principles

The AT27C080-12TI operates based on the principle of electrical charge trapping. During programming, a voltage is applied to specific memory cells, causing electrons to be trapped in the floating gate. This trapped charge determines the stored data, which can be read by applying appropriate voltages to the chip's pins.

Detailed Application Field Plans

The AT27C080-12TI finds applications in various fields, including:

1. Embedded Systems: It is used for storing firmware and configuration data in microcontrollers and other embedded systems.
2. Automotive Electronics: The chip is utilized in automotive electronic control units (ECUs) for storing critical data such as calibration parameters and software code.
3. Industrial Control Systems: It is employed in industrial control systems for storing program instructions and data logs.
4. Consumer Electronics: The AT27C080-12TI is used in devices like set-top boxes, gaming consoles, and digital cameras for storing firmware and user data.

Detailed and Complete Alternative Models

1. AT28C256: This 32K x 8 EEPROM chip offers a larger storage capacity and allows for multiple write/erase cycles.
2. AT29C040A: With a capacity of 4 megabits, this flash memory chip provides both read and write capabilities.