AT28HC256-70SU-T

Product Overview

Category

AT28HC256-70SU-T 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 components

Package

AT28HC256-70SU-T is available in a Small Outline Integrated Circuit (SOIC) package. This package provides a compact form factor and allows for easy integration into circuit boards.

Essence

The essence of AT28HC256-70SU-T lies in its ability to store and retrieve data reliably, even in the absence of power. It offers high-speed operation and low power consumption, making it suitable for a wide range of applications.

Packaging/Quantity

AT28HC256-70SU-T 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 supplier.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Capacity: 256 kilobits (32 kilobytes)
• Access Time: 70 nanoseconds
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: Up to 10 years
• Endurance: 100,000 write cycles

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. Supply Voltage (VCC)
8. Ground (GND)

Functional Features

• High-speed data transfer
• Byte-wise and page-wise write operations
• Sector erase capability
• Software and hardware protection mechanisms
• Automatic sleep mode for power saving
• Error detection and correction algorithms

Advantages

• Fast access time allows for efficient 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 components simplifies circuit design

Disadvantages

• Limited endurance compared to other non-volatile memory technologies
• Relatively higher cost per bit compared to some alternative memory solutions
• Requires additional circuitry for interfacing with microcontrollers or other devices

Working Principles

AT28HC256-70SU-T utilizes EEPROM technology, which allows for electrically erasing and reprogramming the memory cells. It stores data in a grid of memory cells, organized into pages and sectors. The chip communicates with external devices using the Serial Peripheral Interface (SPI) protocol.

Detailed Application Field Plans

AT28HC256-70SU-T finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Communication equipment

Alternative Models

Some alternative models that offer similar functionality to AT28HC256-70SU-T include: 1. AT28C256-15PU 2. 25LC256-I/SN 3. M95640-WMN6TP

These models provide comparable specifications and can be considered as alternatives based on specific requirements.

In conclusion, AT28HC256-70SU-T is a high-speed, low-power EEPROM chip that offers reliable non-volatile data storage. Its characteristics, functional features, and application versatility make it suitable for a wide range of electronic devices. While it has certain limitations, alternative models are available to meet specific needs.