AT28C040-20FC

Product Overview

Category

AT28C040-20FC belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: Retains data even when power is removed.
• High capacity: The AT28C040-20FC has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: The device operates at a speed of 200 nanoseconds.
• Low power consumption: Designed to minimize power usage during operation.
• Reliable: Offers high endurance and data retention capabilities.
• Easy integration: Compatible with various microcontrollers and digital systems.

Package

The AT28C040-20FC is available in a 32-pin plastic package, which ensures protection and easy handling during installation.

Essence

The essence of AT28C040-20FC lies in its ability to provide reliable and non-volatile storage for digital data in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT28C040-20FC devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 200 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Detailed Pin Configuration

The AT28C040-20FC features a 32-pin configuration. The pinout details are 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. VSS - Ground
21. DQ0 - Data Input/Output
22. DQ1 - Data Input/Output
23. DQ2 - Data Input/Output
24. DQ3 - Data Input/Output
25. DQ4 - Data Input/Output
26. DQ5 - Data Input/Output
27. DQ6 - Data Input/Output
28. DQ7 - Data Input/Output
29. VCC - Supply Voltage
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection

Functional Features

• Byte-Writable: Allows individual bytes to be written or erased.
• Block Erase: Supports erasing of specific blocks of data.
• Hardware Data Protection: Provides protection against accidental writes.
• Software Data Protection: Allows software-controlled write protection.
• High-Speed Operation: Enables fast read and write operations.
• Low Power Consumption: Designed to minimize power usage during operation.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even in the absence of power.
• High storage capacity allows for storing large amounts of digital information.
• Fast access time enables quick retrieval of data.
• Compatibility with various microcontrollers and digital systems simplifies integration.
• Reliable performance with high endurance and data retention capabilities.

Disadvantages

• Limited storage capacity compared to other modern memory devices.
• Relatively slower access time compared to some newer memory technologies.

Working Principles

The AT28C040-20FC utilizes a combination of electronic circuits and semiconductor technology to store and retrieve digital data. It employs a floating-gate transistor structure that allows for non-volatile storage of information. The device operates by applying appropriate voltage levels to the address, control, and data pins, enabling read, write, and erase operations.

Detailed Application Field Plans

The AT28C040-20FC finds applications in various fields, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial automation - Medical devices

Detailed and Complete Alternative Models

1. AT28C010-12PC: 1 Megabit (128 Kilobytes) capacity, 120 nanoseconds access time.
2. AT28C256-15PU: 256 Kilobit (32 Kilobytes) capacity, 150 nanoseconds access time.
3. AT28C64B-15SU: 64 Kilobit (8 Kil