AT28HC256-90SU

Product Overview

Category

AT28HC256-90SU belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is commonly used in various electronic devices for non-volatile data storage. It allows for easy and efficient data retrieval even when power is turned off.

Characteristics

• High-speed operation
• Low power consumption
• Non-volatile memory
• Reliable data retention
• Easy to integrate into electronic systems

Package

AT28HC256-90SU comes in a Small-Outline Integrated Circuit (SOIC) package. This package provides a compact form factor and facilitates easy integration onto printed circuit boards.

Essence

The essence of AT28HC256-90SU lies in its ability to store and retrieve data reliably, making it an essential component in many electronic devices.

Packaging/Quantity

AT28HC256-90SU 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 supplier.

Specifications

• Part Number: AT28HC256-90SU
• Memory Size: 256 kilobits (32 kilobytes)
• Operating Voltage: 2.7V - 5.5V
• Access Time: 90 nanoseconds
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC256-90SU chip has a total of 28 pins. Here is the detailed pin configuration:

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 operation allows for quick data access and retrieval.
• Low power consumption ensures efficient use of energy in electronic devices.
• Non-volatile memory retains data even when power is turned off.
• Reliable data retention ensures the integrity of stored information.
• Easy integration into electronic systems simplifies the design and manufacturing process.

Advantages and Disadvantages

Advantages

• High-speed operation enables fast data access.
• Low power consumption prolongs battery life in portable devices.
• Non-volatile memory ensures data retention without the need for constant power supply.
• Reliable data retention guarantees the integrity of stored information.
• Easy integration simplifies the design and manufacturing process.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternative memory solutions.

Working Principles

AT28HC256-90SU utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. The chip stores data in a grid of memory cells, with each cell capable of holding one bit of information. When data needs to be written or read, specific electrical signals are sent to the appropriate pins of the chip, enabling the desired operation.

Detailed Application Field Plans

AT28HC256-90SU finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT28HC256-90SU include: - AT28C256-15PU - AT28BV256-20TU - AT28HC256E-90SU - AT28HC256-12SI

These alternative models may have different specifications, pin configurations, or package options, but they serve the same purpose of providing high-speed, low-power EEPROM memory.

In conclusion, AT28HC256-90SU is a high-speed, low-power EEPROM chip used for non-volatile data storage in various electronic devices. Its characteristics include high-speed operation, low power consumption, and reliable data retention. The chip comes in a compact SOIC package and has a detailed pin configuration. It offers advantages such as fast data access, efficient power usage, and easy integration into electronic systems. However, it has limitations in terms of storage capacity and cost compared to some alternative memory solutions. AT28HC256-90SU operates based on EEPROM technology and finds applications in microcontrollers, embedded systems, automotive electronics, industrial control systems, and consumer electronics. Alternative models with similar functionality are also available in the market.