AT28HC64BF-90SU

Product Overview

Category

AT28HC64BF-90SU belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for data storage in various electronic devices, such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT28HC64BF-90SU retains stored data even when power is removed.
• High capacity: It has a storage capacity of 64 kilobits (8 kilobytes).
• High-speed operation: The device operates at a speed of 90 nanoseconds.
• Low power consumption: It is designed to consume minimal power during operation.
• Reliable: The AT28HC64BF-90SU offers high endurance and data retention capabilities.
• Wide temperature range: It can operate reliably in a temperature range of -40°C to +85°C.

Package

The AT28HC64BF-90SU is available in a small outline package (SOIC) format. This package provides ease of integration into various circuit designs.

Essence

The essence of the AT28HC64BF-90SU lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of AT28HC64BF-90SU chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 64 kilobits (8 kilobytes)
• Operating Speed: 90 nanoseconds
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Small Outline Integrated Circuit (SOIC)

Detailed Pin Configuration

The AT28HC64BF-90SU has a total of 28 pins. The pin configuration is as follows:

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

Functional Features

The AT28HC64BF-90SU offers the following functional features:

• Byte-wide organization: The memory is organized into 8-bit bytes, allowing for easy access and manipulation of data.
• High-speed operation: With an operating speed of 90 nanoseconds, this device enables fast read and write operations.
• Low power consumption: The AT28HC64BF-90SU is designed to minimize power consumption, making it suitable for battery-powered devices.
• Data protection: It provides various mechanisms for protecting stored data, such as write protection and software-controlled data protection.

Advantages and Disadvantages

Advantages

• High capacity for storing large amounts of data.
• Fast operation speed for efficient data access.
• Reliable data retention and endurance capabilities.
• Wide temperature range for versatile applications.
• Low power consumption for energy-efficient designs.

Disadvantages

• Limited storage capacity compared to higher-capacity memory devices.
• Relatively slower operation speed compared to some newer memory technologies.
• Requires external control signals for proper operation.

Working Principles

The AT28HC64BF-90SU utilizes a combination of electronic circuits and memory cells to store and retrieve data. It employs a non-volatile memory technology that allows it to retain stored data even when power is removed. The device operates based on control signals received from the host system, enabling read and write operations as required.

Detailed Application Field Plans

The AT28HC64BF-90SU finds applications in various fields, including:

1. Microcontrollers: Used for program storage and data storage in microcontroller-based systems.
2. Embedded Systems: Provides non-volatile memory storage for embedded systems, ensuring data persistence.
3. Consumer Electronics: Used in devices such as digital cameras, MP3 players, and smart appliances for data storage purposes.

Detailed and Complete Alternative Models

1. AT28C64B-15SU: Similar to AT28HC64BF-90SU but operates at a slower speed of 150 nanoseconds.
2. AT28HC256-12SU: Offers higher storage capacity of 256 kilobits (32 kilobytes) with a slightly slower operating speed of 120 nanoseconds.
3. AT28HC16B-70SU: Lower capacity variant