AT28HC256F-90TI

Product Overview

Category

AT28HC256F-90TI 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-90TI is available in a compact Thin Small Outline Package (TSOP), which ensures efficient space utilization on printed circuit boards.

Essence

The essence of AT28HC256F-90TI lies in its ability to provide reliable and high-speed non-volatile memory storage for electronic devices, ensuring data integrity even during power loss or system shutdowns.

Packaging/Quantity

AT28HC256F-90TI 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's specifications.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Capacity: 256 kilobits (32 kilobytes)
• Access Time: 90 nanoseconds
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: Up to 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC256F-90TI chip has a total of 28 pins, each serving a specific purpose. 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 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 and Disadvantages

Advantages

• Fast access time allows for efficient data retrieval
• Low power consumption prolongs battery life in portable devices
• Large storage capacity accommodates extensive data requirements
• Reliable data retention ensures long-term integrity
• Easy integration with other electronic components simplifies system 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 the host system

Working Principles

AT28HC256F-90TI utilizes EEPROM technology, which enables electrically erasing and reprogramming of data. The chip stores data in a grid of memory cells, where each cell represents a bit. The data can be written or read by applying appropriate voltage levels to specific pins. The non-volatile nature of EEPROM ensures that the stored data remains intact even when power is removed.

Detailed Application Field Plans

AT28HC256F-90TI finds applications in various fields, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. AT28C256: Similar capacity and functionality, but with slower access time.
2. AT29C256: Flash memory alternative with faster erase and write times, but lower endurance.
3. 24LC256: I2C interface-based EEPROM with similar capacity, but different pin configuration.

These alternative models offer different trade-offs in terms of performance, compatibility, and cost, allowing users to choose the most suitable option for their specific requirements.

In conclusion, AT28HC256F-90TI is a high-speed, low-power EEPROM chip that provides reliable non-volatile data storage. Its characteristics, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models make it a versatile choice for various electronic devices.