AT27C020-15TI

Product Overview

Category

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

Use

This chip is commonly used for storing permanent data that 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 AT27C020-15TI has a capacity of 2 megabits (256 kilobytes).
• Fast access time: The chip offers a fast access time of 150 nanoseconds.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT27C020-15TI is available in a standard 32-pin plastic dual in-line package (PDIP).

Essence

The essence of this PROM chip lies in its ability to store large amounts of data permanently, ensuring reliable and secure information storage.

Packaging/Quantity

The AT27C020-15TI is typically packaged in reels or tubes, with each reel containing 1,000 chips.

Specifications

• Memory Capacity: 2 Megabits (256 Kilobytes)
• Access Time: 150 Nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-Pin PDIP

Detailed Pin Configuration

The AT27C020-15TI features a 32-pin configuration. Here is a detailed pinout:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
13. A15
14. A13
15. A8
16. A9
17. A11
18. A10
19. OE#
20. CE#
21. WE#
22. I/O0
23. I/O1
24. I/O2
25. I/O3
26. I/O4
27. I/O5
28. I/O6
29. I/O7
30. GND
31. NC
32. VCC

Functional Features

• High-speed access: The AT27C020-15TI offers fast read access, enabling quick retrieval of stored data.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and compatibility.
• Reliable data retention: The non-volatile nature of the chip ensures that the stored data remains intact even in the absence of power.

Advantages and Disadvantages

Advantages

• Large storage capacity
• Fast access time
• Low power consumption
• Secure and reliable data storage

Disadvantages

• Data cannot be modified or erased once programmed
• Limited flexibility compared to other memory types

Working Principles

The AT27C020-15TI operates based on the principle of electrical programming. Once programmed, the data becomes permanently stored in the memory cells. The chip utilizes a combination of address lines, control signals, and data lines to read the stored information.

Detailed Application Field Plans

The AT27C020-15TI 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 the AT27C020-15TI include: - AT27C040 - AT27C080 - AT27C256R - AT27C512R

These models offer different storage capacities and specifications, providing flexibility for various application requirements.

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