AT28HC256F-12SI

Product Overview

Category

AT28HC256F-12SI 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 data storage 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

AT28HC256F-12SI is available in a Small-Outline Integrated Circuit (SOIC) package. The package provides a compact form factor and facilitates easy integration into circuit boards.

Essence

The essence of AT28HC256F-12SI lies in its ability to store and retrieve data reliably, even when the power supply is disconnected. This makes it an essential component for applications that require non-volatile memory.

Packaging/Quantity

AT28HC256F-12SI is typically packaged in reels or tubes, containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer and customer requirements.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Capacity: 256 kilobits (32 kilobytes)
• Access Time: 120 nanoseconds
• Organization: 32,768 words x 8 bits
• Interface: Serial Peripheral Interface (SPI)
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

Functional Features

• High-speed data transfer using the SPI interface
• Flexible write protection options for enhanced security
• Low power consumption during standby and active modes
• Automatic page write and erase operations for efficient memory management
• Software and hardware data protection mechanisms to prevent accidental modifications

Advantages and Disadvantages

Advantages

• Fast access time enables quick data retrieval
• Low power consumption prolongs battery life in portable devices
• Reliable data retention ensures long-term storage integrity
• Compact package allows for space-efficient designs
• Versatile interface facilitates easy integration into various systems

Disadvantages

• Limited storage capacity compared to other memory technologies
• Relatively higher cost per bit compared to traditional Read-Only Memory (ROM)
• Susceptible to data corruption due to electrical noise or improper handling

Working Principles

AT28HC256F-12SI utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. The memory cells store information by trapping charges within a floating gate transistor. To read or modify data, specific voltage levels are applied to the appropriate pins, enabling the desired operation.

Detailed Application Field Plans

AT28HC256F-12SI finds applications in various fields, including: 1. Microcontroller-based systems 2. Embedded systems 3. Automotive electronics 4. Industrial control systems 5. Communication devices 6. Medical equipment 7. Consumer electronics

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar specifications with a different package (DIP)
2. AT28HC256E-12SI: Higher endurance version with extended temperature range
3. AT28HC256L-90TI: Lower power consumption variant with slower access time

These alternative models provide similar functionality but may differ in certain characteristics or features, allowing customers to choose the most suitable option for their specific requirements.

Word count: 537 words