AT28HC64B-70SU-T

Product Overview

Category

AT28HC64B-70SU-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, computers, and consumer electronics.

Characteristics

• Non-volatile: The AT28HC64B-70SU-T retains stored data even when power is removed.
• High capacity: This chip has a storage capacity of 64 kilobits (8 kilobytes).
• High-speed operation: It operates at a speed of 70 nanoseconds.
• Serial interface: The chip uses a serial interface for data transfer.

Package

The AT28HC64B-70SU-T is available in a small outline SOIC package.

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-70SU-T is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Memory Type: Non-volatile
• Capacity: 64 kilobits (8 kilobytes)
• Access Time: 70 nanoseconds
• Interface: Serial
• Package Type: SOIC
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT28HC64B-70SU-T has a total of 8 pins. The pin configuration is as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Data Input/Output (I/O)
5. Serial Clock (SCK)
6. Serial Data Input (SI)
7. Serial Data Output (SO)
8. Ground (GND)

Functional Features

• Chip Enable (CE): Activates the chip for read/write operations.
• Output Enable (OE): Enables the output buffer for data retrieval.
• Write Enable (WE): Allows data to be written into the memory.
• Data Input/Output (I/O): Transfers data between the chip and external devices.
• Serial Clock (SCK): Controls the timing of data transfer.
• Serial Data Input (SI): Receives serial data for writing into the memory.
• Serial Data Output (SO): Outputs serial data read from the memory.
• Ground (GND): Provides electrical grounding.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Fast operation speed allows for efficient data access.
• Small package size saves board space in electronic devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Serial interface may have slower data transfer rates compared to parallel interfaces.

Working Principles

The AT28HC64B-70SU-T utilizes a combination of electronic circuits and semiconductor technology to store and retrieve data. It employs non-volatile memory cells that can retain information even when power is removed. The chip's internal circuitry enables data to be written, read, and erased as required by the connected device.

Detailed Application Field Plans

The AT28HC64B-70SU-T finds applications in various fields, including but not limited to: 1. Microcontrollers: Used for program storage and data logging. 2. Computers: Employed in BIOS chips and firmware storage. 3. Consumer Electronics: Utilized in devices such as smart TVs, set-top boxes, and gaming consoles for data storage.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar to AT28HC64B-70SU-T but operates at a slower speed of 150 nanoseconds.
2. AT28HC256-90PU: Offers a higher storage capacity of 256 kilobits (32 kilobytes) and operates at a speed of 90 nanoseconds.

These alternative models provide options with different specifications to suit specific application requirements.

In conclusion, the AT28HC64B-70SU-T is a non-volatile memory integrated circuit that offers high-capacity data storage in electronic devices. Its fast operation speed, small package size, and reliable performance make it suitable for various applications. However, it has limitations in terms of storage capacity and data transfer rates compared to other memory technologies.