AT27C020-15PC

Product Overview

Category

AT27C020-15PC belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It finds applications in various electronic devices where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High storage capacity: The AT27C020-15PC has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It operates at a speed of 150 nanoseconds, allowing for quick retrieval of data.
• Low power consumption: The chip is designed to consume minimal power during operation.

Package

The AT27C020-15PC is available in a 32-pin plastic dual in-line package (PDIP). This package provides physical protection to the chip and facilitates easy integration into electronic circuits.

Essence

The essence of AT27C020-15PC 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 AT27C020-15PC is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Storage Capacity: 2 Megabits (256 Kilobytes)
• Access Time: 150 Nanoseconds
• Operating Voltage: 5 Volts
• Package Type: 32-pin PDIP
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT27C020-15PC has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. /OE - Output Enable
18. /CE - Chip Enable
19. /WE - Write Enable
20. VCC - Power Supply
21. DQ0 - Data Output
22. DQ1 - Data Output
23. DQ2 - Data Output
24. DQ3 - Data Output
25. DQ4 - Data Output
26. DQ5 - Data Output
27. DQ6 - Data Output
28. DQ7 - Data Output
29. NC - No Connection
30. GND - Ground
31. NC - No Connection
32. NC - No Connection

Functional Features

• Non-volatile storage: The AT27C020-15PC retains data even when power is disconnected.
• High-speed access: With an access time of 150 nanoseconds, data retrieval is quick and efficient.
• Easy integration: The chip can be easily integrated into existing electronic circuits due to its standard pin configuration.
• Low power consumption: The AT27C020-15PC is designed to consume minimal power during operation, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Reliable and secure data storage
• Fast access time
• Easy integration into electronic circuits
• Low power consumption

Disadvantages

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

Working Principles

The AT27C020-15PC operates based on the principle of electrical charge trapping. The data is stored in a grid of memory cells, with each cell representing a bit of information. When a specific address is accessed, the corresponding memory cell's charge state determines the output data.

Detailed Application Field Plans

The AT27C020-15PC finds applications in various fields where non-volatile memory is required. Some of the common application areas include: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

• AT27C040: This model offers double the storage capacity of AT27C020-15PC, with 4 megabits (512 kilobytes) of memory.
• AT27C080: With a storage capacity of 8 megabits (1 megabyte), this model provides even higher memory capacity than AT27C040.
• AT