AT28HC256F-70SI

Product Overview

Category

AT28HC256F-70SI 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 program and erase

Package

AT28HC256F-70SI comes in a Small-Outline Integrated Circuit (SOIC) package. The package provides protection and facilitates easy integration into electronic circuits.

Essence

The essence of AT28HC256F-70SI lies in its ability to store and retrieve data reliably, while offering high-speed operation and low power consumption.

Packaging/Quantity

AT28HC256F-70SI is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32K x 8 bits
• Operating Voltage: 2.7V - 5.5V
• Access Time: 70 nanoseconds
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: 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 using the SPI interface
• Flexible write and erase operations
• Hardware and software protection mechanisms
• Low power consumption during standby mode
• Automatic page write and sector erase functions

Advantages

• Fast access time allows for efficient data retrieval
• Low power consumption prolongs battery life in portable devices
• Large storage capacity accommodates a wide range of applications
• Reliable data retention ensures long-term data integrity
• Easy integration into existing electronic circuits

Disadvantages

• Limited endurance compared to other non-volatile memory technologies
• Relatively higher cost per bit compared to some alternative memory solutions

Working Principles

AT28HC256F-70SI utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. The memory cells store information by trapping charges in a floating gate, which can be modified through electrical signals. The SPI interface enables communication between the chip and the controlling device.

Detailed Application Field Plans

AT28HC256F-70SI finds applications in various fields, including: 1. Microcontrollers and embedded systems 2. Automotive electronics 3. Industrial automation 4. Medical devices 5. Communication equipment

Alternative Models

Some alternative models that offer similar functionality to AT28HC256F-70SI 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, AT28HC256F-70SI is a high-speed, low-power EEPROM chip with a large storage capacity. It offers reliable data storage and retrieval, making it suitable for various electronic applications. While it has advantages such as fast access time and low power consumption, it also has limitations in terms of endurance and cost. Nonetheless, it serves as a reliable and efficient memory solution in numerous fields.