AT29C020-90JU

Product Overview

Category

AT29C020-90JU belongs to the category of non-volatile memory integrated circuits.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: 2 megabits (256 kilobytes).
• Fast access time: 90 nanoseconds.
• Low power consumption.
• Reliable and durable.

Package

AT29C020-90JU is available in a standard JEDEC 32-lead PLCC package.

Essence

The essence of AT29C020-90JU lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power interruptions.

Packaging/Quantity

AT29C020-90JU is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: Flash EEPROM
• Memory Size: 2 Megabits (256 Kilobytes)
• Access Time: 90 Nanoseconds
• Supply Voltage: 4.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Pin Count: 32
• Package Type: PLCC

Detailed Pin Configuration

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

Functional Features

• Byte-wide and word-wide operations.
• Fast programming and erasing capabilities.
• Automatic sleep mode to conserve power.
• Hardware and software data protection mechanisms.
• High endurance and data retention.

Advantages

• Non-volatile memory ensures data integrity during power interruptions.
• High storage capacity allows for storing large amounts of digital information.
• Fast access time enables quick retrieval of data.
• Low power consumption prolongs battery life in portable devices.
• Reliable and durable, suitable for various applications.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Higher cost per bit compared to some alternative memory options.
• Limited compatibility with certain legacy systems.

Working Principles

AT29C020-90JU utilizes flash EEPROM technology to store and retrieve digital information. It employs a combination of floating-gate transistors and control circuitry to enable both programming and erasing of memory cells. The stored data can be accessed through the parallel interface provided by the IC.

Detailed Application Field Plans

AT29C020-90JU finds application in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Communication devices - Automotive electronics - Industrial control systems

Its high reliability, non-volatile nature, and fast access time make it suitable for applications where data integrity and quick data retrieval are crucial.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT29C020-90JU include: - AT28C256 - AM29F040B - W27C512 - M29F200BB

These models may have different specifications, pin configurations, and package types, but they serve the same purpose of non-volatile memory storage in electronic devices.

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