Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Integrated Circuits (ICs)Memory~~AT28C256-20FM/883~~

Image may be representation.
See specifications for product details.

~~Favorite~~

AT28C256-20FM/883 - Microchip Technology

Manufacturer Part Number: AT28C256-20FM/883

Manufacturer: Microchip Technology

Allelco Part Number: 32D-AT28C256-20FM/883

ECAD Model

Parts Description: IC EEPROM 256KBIT PAR 28FLATPK

Detailed Description

Package: 28-CFlatPack

Data sheet: AT28C256 Military Grade.pdf
AT28C256 Military Grade.pdf

RoHs Status: ROHS3 Compliant

~~Compare~~

In stock: 142

Specifications

AT28C256-20FM/883 Tech Specifications
Microchip Technology - AT28C256-20FM/883 technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT28C256-20FM/883

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Write Cycle Time - Word, Page	10ms
Voltage - Supply	4.5V ~ 5.5V
Technology	EEPROM
Supplier Device Package	28-FlatPack, Ceramic Bottom-Brazed
Series	-
Package / Case	28-CFlatPack
Package	Tube
Operating Temperature	-55°C ~ 125°C (TC)

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Memory Type	Non-Volatile
Memory Size	256Kbit
Memory Organization	32K x 8
Memory Interface	Parallel
Memory Format	EEPROM
Base Product Number	AT28C256
Access Time	200 ns

Parts Introduction

Manufacturer Part Number

AT28C256-20FM/883

Manufacturer

Microchip Technology

Introduction

The AT28C256-20FM/883 is a high-performance, low-power 256Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device. It is designed for applications requiring non-volatile data storage with fast access times and low power consumption.

Product Features and Performance

256Kbit (32K x 8) of non-volatile EEPROM memory

Parallel interface with fast 200ns access time

10ms word/page write cycle time

Operates on a single 5V power supply (4.5V ~ 5.5V)

Extended temperature range of -55°C to +125°C (TC)

28-pin Ceramic Flat Pack (CFP) package

Designed to meet MIL-STD-883 requirements

Product Advantages

High-density non-volatile memory for data storage

Fast access and programming times

Low power operation

Wide temperature range for harsh environments

Ceramic package for increased reliability

Key Reasons to Choose This Product

Robust, military-grade EEPROM solution

Ideal for applications requiring secure, non-volatile data storage

Proven reliability and performance

Seamless integration with existing systems

Quality and Safety Features

Designed and manufactured to meet MIL-STD-883 requirements

Rigorous quality control and testing procedures

ESD and latch-up protection

Compatibility

The AT28C256-20FM/883 is compatible with a wide range of microcontrollers, processors, and other digital systems with parallel memory interfaces.

Application Areas

Industrial automation and control systems

Military and aerospace electronics

Automotive and transportation systems

Telecommunications and networking equipment

Medical devices and instrumentation

Product Lifecycle

The AT28C256-20FM/883 is an active product. There are no immediate plans for discontinuation. However, as technology advances, there may be equivalent or alternative models available in the future. Customers are advised to contact our website's sales team for the latest product information and availability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT28C256-20FM/883

Product Attribute
Part Number	AT28C256-20FM/883	AT28C256-15SC	AT28C256-15TU	AT28C256-15SU
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Memory Format	EEPROM	EEPROM	EEPROM	EEPROM
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Memory Organization	32K x 8	32K x 8	32K x 8	32K x 8
Package / Case	28-CFlatPack	28-SOIC (0.295', 7.50mm Width)	28-TSSOP (0.465', 11.80mm Width)	28-SOIC (0.295', 7.50mm Width)
Memory Size	256Kbit	256Kbit	256Kbit	256Kbit
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Supplier Device Package	28-FlatPack, Ceramic Bottom-Brazed	28-SOIC	28-TSOP	28-SOIC
Memory Interface	Parallel	Parallel	Parallel	Parallel
Memory Type	Non-Volatile	Non-Volatile	Non-Volatile	Non-Volatile
Access Time	200 ns	150 ns	150 ns	150 ns
Base Product Number	AT28C256	AT28C256	AT28C256	AT28C256
Technology	EEPROM	EEPROM	EEPROM	EEPROM
Package	Tube	Tube	Tray	Tube
Series	-	-	-	-
Write Cycle Time - Word, Page	10ms	10ms	10ms	10ms
Operating Temperature	-55°C ~ 125°C (TC)	0°C ~ 70°C (TC)	-40°C ~ 85°C (TC)	-40°C ~ 85°C (TC)

AT28C256-20FM/883 Datasheet PDF

Download AT28C256-20FM/883 pdf datasheets and Microchip Technology documentation for AT28C256-20FM/883 - Microchip Technology.

Datasheets: AT28C256 Military Grade.pdf
HTML Datasheet: AT28C256 Military Grade.pdf

Customers Also Interested in

Recommended Products

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone
+00852 9146 4856
Email
info@allelco.com

Certifications & Memberships