AT27C020-70JC

Product Overview

Category

AT27C020-70JC belongs to the category of programmable read-only memory (PROM) chips.

Use

It is primarily used for storing data that needs to be permanently written and cannot be modified or erased.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High storage capacity: The AT27C020-70JC has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: The chip operates on low power, making it energy-efficient.

Package

The AT27C020-70JC comes in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT27C020-70JC lies in its ability to provide non-volatile storage of data with high capacity and fast access time.

Packaging/Quantity

The chip is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of AT27C020-70JC chips. The exact quantity may vary depending on the manufacturer's packaging specifications.

Specifications

• Storage Capacity: 2 Megabits (256 Kilobytes)
• Access Time: 70 Nanoseconds
• Operating Voltage: 5V
• Package Type: 32-pin PLCC
• Temperature Range: -40°C to +85°C

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

• Non-volatile storage: The AT27C020-70JC retains data even when power is turned off.
• High-speed access: It offers fast access time, allowing for quick retrieval of stored data.
• Easy integration: The chip can be easily integrated into various electronic systems.
• Reliable performance: It provides reliable and consistent performance over an extended period.

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.
• Low power consumption makes it energy-efficient.

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 AT27C020-70JC operates based on the principle of electrical programming. Once programmed, the data remains permanently stored in the memory cells. The chip uses a combination of address lines and control signals to read the stored data.

Detailed Application Field Plans

The AT27C020-70JC finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to AT27C020-70JC include: 1. AT27C040-90JC 2. AT27C080-90JC 3. AT27C256R-70JC 4. AT27C512R-70JC 5. AT27C010-70JC

These alternative models offer different storage capacities, access times, and package types to cater to specific requirements.

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