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AM28F256-120PC

Updated: 2026-07-29

Overview

The AM28F256-120PC is a 256Kbit (32K x 8) parallel flash memory chip manufactured using CMOS technology. It is designed for applications requiring fast, reliable, and non-volatile data storage, such as industrial control systems, automotive electronics, and embedded devices. The chip operates at 5V and offers a fast access time of 120ns, making it suitable for high-speed applications. Its robust design ensures data retention for extended periods, even in harsh environments.

Structure and Working Principle

AM28F256-120PC 集成电路(IC) AMD 封装DIP 批次22+深圳市艾宇特电子科技有限公司

The AM28F256-120PC features a parallel interface with 8 data lines and address inputs to access its 32K memory locations. It uses a floating gate transistor architecture to store data, which can be electrically erased and reprogrammed. During operation, the chip responds to read and write commands from a microcontroller or processor. The 120ns access time ensures minimal delay in data retrieval, critical for real-time applications.

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Key Features

The AM28F256-120PC stands out for its high-speed performance, with a 120ns access time and 5V operation. It offers low power consumption, typically drawing 30mA in active mode and less than 100µA in standby. Other notable features include a wide operating temperature range (-40°C to +85°C), high endurance (up to 100,000 write cycles), and a compact 28-pin DIP or PLCC package. These attributes make it a versatile choice for demanding applications.

Application Areas

This flash memory chip is widely used in industrial automation systems, automotive electronics, and embedded computing. Its reliability and speed make it ideal for firmware storage, configuration data, and logging applications. In the automotive sector, it is employed in engine control units (ECUs) and infotainment systems. Industrial applications include programmable logic controllers (PLCs) and sensor interfaces, where non-volatile storage is essential.

Maintenance and Precautions

AM28F256-120PC 电子元器件 AMD 封装DIP 批次23+深圳市昊创电子有限公司

To ensure longevity, avoid exposing the AM28F256-120PC to static electricity, which can damage the internal circuitry. Use proper ESD protection during handling and installation. Adhere to the specified voltage limits (4.5V to 5.5V) to prevent overvoltage damage. Follow manufacturer-recommended soldering profiles to avoid thermal stress during PCB assembly.

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B2B Procurement Guide

When sourcing the AM28F256-120PC, verify the supplier's authenticity to avoid counterfeit products. Requestchnical specifications, including operating temperature range and package type (DIP or PLCC). Consider bulk purchasing for cost savings, but ensure the supplier can meet your volume requirements. Lead times may vary, so plan procurement accordingly to avoid production delays.

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