AT28HC64BF-12SU-T

Product Overview

Category

AT28HC64BF-12SU-T belongs to the category of non-volatile memory devices.

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-12SU-T 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 12 MHz.
• Low power consumption: It is designed to consume minimal power during operation.
• Wide temperature range: The AT28HC64BF-12SU-T can operate reliably in a wide temperature range.

Package

The AT28HC64BF-12SU-T is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in electronic devices.

Packaging/Quantity

The AT28HC64BF-12SU-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Memory Type: Non-volatile
• Capacity: 64 kilobits (8 kilobytes)
• Operating Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Speed: 12 MHz
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The AT28HC64BF-12SU-T has a total of 8 pins, which are assigned specific functions:

1. Chip Select (/CS): Used to enable/disable the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the device.
4. Serial Data Output (SO): Outputs data from the device.
5. Write Protect (/WP): Enables or disables write operations.
6. Hold (/HOLD): Pauses ongoing operations.
7. VCC: Power supply voltage.
8. Ground (GND): Reference ground.

Functional Features

• High-speed data transfer: The AT28HC64BF-12SU-T supports fast data transfer using the SPI interface.
• Write protection: The device includes a write protect pin (/WP) that can be used to prevent accidental modification of stored data.
• Low power consumption: It is designed to operate with minimal power consumption, making it suitable for battery-powered devices.
• Reliable data retention: The non-volatile nature of the memory ensures that stored data is retained even during power loss or device shutdown.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention.
• High storage capacity for various applications.
• Wide operating temperature range allows usage in different environments.
• Low power consumption prolongs battery life.
• Fast data transfer speed enhances overall system performance.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Requires an external microcontroller or controller to access and manage data.

Working Principles

The AT28HC64BF-12SU-T utilizes flash memory technology to store and retrieve data. It employs a serial peripheral interface (SPI) for communication with the controlling device. When data needs to be stored, it is sent through the SPI interface and written to the memory cells. During read operations, the requested data is retrieved from the memory cells and transmitted back to the controlling device.

Detailed Application Field Plans

The AT28HC64BF-12SU-T finds application in various fields, including: 1. Microcontrollers: Used as non-volatile storage for program code and data. 2. Embedded Systems: Provides reliable data storage for embedded applications. 3. Consumer Electronics: Used in devices such as smartwatches, digital cameras, and portable media players for data storage.

Detailed and Complete Alternative Models

1. AT28HC64B-12SU-T: Similar to the AT28HC64BF-12SU-T but with a different package type.
2. AT28HC256-12SU-T: Offers higher storage capacity (256 kilobits) for applications requiring more memory.
3. AT28HC16B-12SU-T: Lower capacity variant (16 kilobits) suitable for applications with lower memory requirements.

These alternative models provide options with varying capacities and package types to cater to different application needs.

In conclusion, the AT28HC64BF-12SU-T is a non-volatile memory device that offers high-speed operation, low power consumption, and reliable data retention. It finds application in various fields, including microcontrollers, embedded systems, and consumer electronics. While it has limitations in terms of storage capacity, it provides an efficient solution for data storage in electronic devices