AT28HC256-12SC

Product Overview

Category

AT28HC256-12SC belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is primarily used for non-volatile storage of data in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• High-speed operation
• Low power consumption
• Non-volatile memory
• Large storage capacity
• Reliable data retention
• Easy to interface with other electronic components

Package

AT28HC256-12SC comes in a Small-Outline Integrated Circuit (SOIC) package. This package provides a compact form factor and allows for easy integration into electronic circuits.

Essence

The essence of AT28HC256-12SC lies in its ability to store and retrieve data reliably, while offering high-speed operation and low power consumption.

Packaging/Quantity

AT28HC256-12SC is typically packaged in reels or tubes, containing a specific quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 120 nanoseconds
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The AT28HC256-12SC chip has a total of 28 pins, which are assigned specific functions. The pin configuration is as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A14)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Supply Voltage (VCC)
7. Ground (GND)

Functional Features

• High-speed data transfer
• Byte-wise or page-wise read and write operations
• Hardware and software protection mechanisms
• Automatic sleep mode for power saving
• Built-in error detection and correction algorithms

Advantages and Disadvantages

Advantages

• Fast access time allows for quick data retrieval
• Low power consumption extends battery life in portable devices
• Large storage capacity accommodates a wide range of applications
• Reliable data retention ensures long-term data integrity
• Easy integration with other electronic components simplifies circuit design

Disadvantages

• Limited storage capacity compared to other memory technologies
• Relatively higher cost per bit compared to some alternative memory options
• Susceptible to electromagnetic interference and physical damage

Working Principles

AT28HC256-12SC utilizes EEPROM technology, which allows for non-volatile storage of data. The chip stores data in floating-gate transistors, which can retain their charge even when the power is turned off. Data can be written to and read from the chip using specific control signals and addressing schemes.

Detailed Application Field Plans

AT28HC256-12SC finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT28HC256-12SC include: 1. AT28C256-15PU 2. 24LC256-I/P 3. M93C56-WMN6TP

These models provide comparable storage capacity, speed, and interface compatibility, making them suitable alternatives for different application requirements.

In conclusion, AT28HC256-12SC is a high-speed, low-power EEPROM chip that offers reliable non-volatile data storage. With its compact package and versatile features, it finds applications in various electronic devices across different industries.