AT29C020-90JI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT29C020-90JI is a high-performance, low-power CMOS 2-megabit (256K x 8) electrically erasable programmable read-only memory (EEPROM). It is designed for use in various electronic devices that require non-volatile storage.

Characteristics: - High performance and low power consumption - Electrically erasable and reprogrammable - Non-volatile storage - Large storage capacity of 2 megabits - Reliable and durable

Package: The AT29C020-90JI is available in a 32-lead PLCC (Plastic Leaded Chip Carrier) package. This package provides protection to the integrated circuit and facilitates easy installation on printed circuit boards.

Essence: The essence of the AT29C020-90JI is its ability to store data reliably and securely in a non-volatile manner. It offers a large storage capacity and can be easily programmed and erased electrically.

Packaging/Quantity: The AT29C020-90JI is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Size: 2 Megabits (256K x 8)
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Access Time: 90 nanoseconds
• Standby Current: 100 microamps (typical)
• Package Type: 32-lead PLCC

Detailed Pin Configuration

The AT29C020-90JI has a total of 32 pins. Here is the detailed pin configuration:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VCC
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. NC
25. GND
26. A15
27. A13
28. A8
29. A9
30. A11
31. A10
32. A17

Functional Features

• High-speed access and operation
• Low power consumption during standby
• Easy programming and erasing of data
• Reliable and durable non-volatile storage
• Compatibility with various electronic devices

Advantages and Disadvantages

Advantages: - Large storage capacity - High performance - Low power consumption - Easy to program and erase - Reliable and durable

Disadvantages: - Limited compatibility with certain older devices - Relatively higher cost compared to lower-capacity EEPROMs

Working Principles

The AT29C020-90JI operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses a combination of electrical signals and voltage levels to store, retrieve, and modify data. The memory cells within the IC can be selectively programmed or erased using specific control signals.

Detailed Application Field Plans

The AT29C020-90JI finds applications in various electronic devices that require non-volatile storage, such as: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the AT29C020-90JI that offer similar functionality and features include: - AT28C256 - AT27C040 - AT49BV1604 - 24LC256 - 25AA020A

These alternative models can be considered based on specific requirements, compatibility, and availability.

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