AT28HC64B-12SU-T

Product Overview

Category

AT28HC64B-12SU-T 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 AT28HC64B-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 consumes minimal power during both read and write operations.

Package

The AT28HC64B-12SU-T is available in a small outline package (SOP) format.

Essence

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

Packaging/Quantity

The AT28HC64B-12SU-T is typically packaged in reels or tubes, with each containing a specific quantity of integrated circuits. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory 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 AT28HC64B-12SU-T has a total of 8 pins, which are assigned specific functions as follows:

1. Chip Select (/CS): Enables communication with the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Master Output, Slave Input (MOSI): Transmits data from the master device to the AT28HC64B-12SU-T.
4. Master Input, Slave Output (MISO): Transmits data from the AT28HC64B-12SU-T to the master device.
5. Write Protect (/WP): Protects the memory from accidental write operations.
6. Ground (GND): Common ground reference.
7. Power Supply (VCC): Provides the operating voltage.
8. Hold (/HOLD): Suspends ongoing operations temporarily.

Functional Features

• High-speed data transfer: The AT28HC64B-12SU-T supports fast data transfer rates, allowing for efficient read and write operations.
• Low power consumption: The device is designed to minimize power consumption, making it suitable for battery-powered devices.
• Write protection: The write protect feature ensures that stored data remains intact by preventing accidental write operations.
• Wide operating voltage range: The AT28HC64B-12SU-T can operate within a wide voltage range, providing flexibility in various applications.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for its compact size.
• Fast data transfer speeds enhance overall system performance.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternative models.
• Requires an external microcontroller or interface for data access.

Working Principles

The AT28HC64B-12SU-T utilizes flash memory technology to store and retrieve data. It employs a Serial Peripheral Interface (SPI) for communication with the host device. When data is written, the device stores it in non-volatile memory cells. During read operations, the stored data is retrieved and transferred to the host device via the SPI interface.

Detailed Application Field Plans

The AT28HC64B-12SU-T finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Consumer electronics - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar to the AT28HC64B-12SU-T, this model offers a capacity of 64 kilobits and operates at a speed of 15 MHz.
2. AT28HC256-90PI: This alternative model provides a higher storage capacity of 256 kilobits (32 kilobytes) and operates at a speed of 90 MHz.

These alternative models offer different specifications and may be suitable for specific application requirements.

In conclusion, the AT28HC64B-12SU-T is a non-volatile memory integrated circuit that provides high-capacity data storage for various electronic devices. With its fast operation, low power consumption, and write protection feature, it offers advantages in terms of performance and reliability. However, it has limitations in terms of storage capacity and cost compared to some alternative models. Its working principle involves flash memory technology