AT29C020-90PC

Product Overview

Category

AT29C020-90PC belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: The AT29C020-90PC has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It operates with a maximum access time of 90 nanoseconds.
• Low power consumption: Designed to minimize power usage during operation.
• Durable: Can withstand multiple read and write cycles without degradation.

Package

The AT29C020-90PC is available in a 32-pin plastic dual in-line package (PDIP).

Essence

The essence of AT29C020-90PC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT29C020-90PC chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 2 megabits (256 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 4.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 10 years

Detailed Pin Configuration

The AT29C020-90PC has a total of 32 pins, which are assigned specific functions as follows:

1. A16: Address Input
2. A15: Address Input
3. A12: Address Input
4. A7: Address Input
5. A6: Address Input
6. A5: Address Input
7. A4: Address Input
8. A3: Address Input
9. A2: Address Input
10. A1: Address Input
11. A0: Address Input
12. VCC: Power Supply
13. OE: Output Enable
14. CE: Chip Enable
15. WE: Write Enable
16. I/O0: Data Input/Output
17. I/O1: Data Input/Output
18. I/O2: Data Input/Output
19. I/O3: Data Input/Output
20. I/O4: Data Input/Output
21. I/O5: Data Input/Output
22. I/O6: Data Input/Output
23. I/O7: Data Input/Output
24. NC: No Connection
25. GND: Ground
26. A8: Address Input
27. A9: Address Input
28. A11: Address Input
29. A10: Address Input
30. RP: Reset/Programming Voltage
31. WP: Write Protect
32. NC: No Connection

Functional Features

• High-speed operation: The AT29C020-90PC offers fast access times, allowing for efficient data retrieval and storage.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and compatibility with common interfaces.
• Low power consumption: Designed to minimize power usage, making it suitable for battery-powered devices.
• Reliable data retention: The non-volatile nature of the memory ensures that stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention without the need for continuous power supply.
• High storage capacity allows for storing a significant amount of digital information.
• Fast access time enables quick retrieval and storage of data.
• Low power consumption makes it suitable for portable and battery-powered devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternative memory options.
• Limited endurance, with a finite number of read and write cycles before potential degradation.

Working Principles

The AT29C020-90PC utilizes Flash memory technology to store and retrieve digital information. It employs a combination of floating-gate transistors and charge storage mechanisms to retain data even when power is turned off. The memory cells are organized in a matrix-like structure, with each cell capable of storing a single bit of information. Data can be written to or read from the memory by applying appropriate voltage levels to the control pins.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

1. AT28C256: Offers a lower storage capacity of 256 kilobits but provides similar functionality.