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HomeProductsIntegrated Circuits (ICs)MemoryAT28HC256-12SU
AT28HC256-12SU Image
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See specifications for product details.

AT28HC256-12SU - Microchip Technology

Manufacturer Part Number
AT28HC256-12SU
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT28HC256-12SU
ECAD Model
Parts Description
IC EEPROM 256KBIT PAR 28SOIC
Detailed Description
Package
28-SOIC (0.295", 7.50mm Width)
Data sheet
AT28HC256.pdf
RoHs Status
ROHS3 Compliant
In stock: 2854

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Quantity

Specifications

AT28HC256-12SU Tech Specifications
Microchip Technology - AT28HC256-12SU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT28HC256-12SU

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-SOIC  
Series -  
Package / Case 28-SOIC (0.295", 7.50mm Width)  
Package Tube  
Operating Temperature -40°C ~ 85°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 AT28HC256  
Access Time 120 ns  

Parts Introduction

Manufacturer Part Number

AT28HC256-12SU

Manufacturer

Microchip Technology

Introduction

High-density 256K EEPROM chip with parallel interface, designed for a wide range of digital storage applications.

Product Features and Performance

Non-Volatile EEPROM

High-density 256Kbit storage capacity

Organized as 32K x 8 for optimized data management

Parallel memory interface for rapid access and programming

120 ns access time for quick retrieval of information

Write Cycle Time of 10ms for efficient data handling

Low power consumption

Product Advantages

Reliable data retention

Fast access time enhances system performance

Low-power operation to minimize energy consumption

Robust operating temperature range for high reliability under varying conditions

Key Technical Parameters

EEPROM Technology

Memory Size: 256Kbit

Memory Organization: 32K x 8

Parallel Memory Interface

Write Cycle Time: 10ms

Access Time: 120 ns

Voltage Supply: 4.5V to 5.5V

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Extensive operating temperature range ensures reliability in harsh conditions

Stringent quality assurance for long-term performance

Compatibility

Suitable for systems requiring 28-SOIC package

Compatible with applications requiring a parallel 8-bit data bus

Application Areas

Industrial control systems

Telecommunications

Computing devices

Automotive electronics

Consumer electronics

Product Lifecycle

Active product status indicating current manufacturing and support

Not near discontinuation so stable supply expected

Replacements and upgrades may be offered as technology advances

Several Key Reasons to Choose This Product

Robust temperature range suitable for a variety of environments

Rapid data access improves performance for memory-intensive applications

Non-volatile storage maintains data integrity even without power

Low power consumption for energy-sensitive designs

High reliability and quality standards from a reputable manufacturer in Microchip Technology

Wide compatibility and easy implementation with industry-standard SOIC package

Active status ensures continued production and support from the manufacturer

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT28HC256-12SU

Product Attribute AT28HC256-12SU AT28HC256E-12FM/883 AT28HC256-90DM/883 AT28HC256-12JI
Part Number AT28HC256-12SU AT28HC256E-12FM/883 AT28HC256-90DM/883 AT28HC256-12JI
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Memory Interface Parallel Parallel Parallel Parallel
Memory Organization 32K x 8 32K x 8 32K x 8 32K x 8
Base Product Number AT28HC256 AT28HC256 AT28HC256 AT28HC256
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount
Supplier Device Package 28-SOIC 28-FlatPack, Ceramic Bottom-Brazed 28-CerDip 32-PLCC (13.97x11.43)
Package / Case 28-SOIC (0.295", 7.50mm Width) 28-CFlatPack 28-CDIP (0.600", 15.24mm) 32-LCC (J-Lead)
Write Cycle Time - Word, Page 10ms 10ms 10ms 10ms
Technology EEPROM EEPROM EEPROM EEPROM
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Memory Format EEPROM EEPROM EEPROM EEPROM
Package Tube Tube Tube Tube
Access Time 120 ns 120 ns 90 ns 120 ns
Operating Temperature -40°C ~ 85°C (TC) -55°C ~ 125°C (TC) -55°C ~ 125°C (TC) -40°C ~ 85°C (TC)
Memory Type Non-Volatile Non-Volatile Non-Volatile Non-Volatile
Series - - - -
Memory Size 256Kbit 256Kbit 256Kbit 256Kbit

AT28HC256-12SU Datasheet PDF

Download AT28HC256-12SU pdf datasheets and Microchip Technology documentation for AT28HC256-12SU - Microchip Technology.

PCN Packaging
MBB/Label Chgs 16/Nov/2018.pdf Boxes 07/Dec/2016.pdf
PCN Design/Specification
Marking Chgs 11/Jul/2017.pdf AT28HC256 06/Jan/2021.pdf
PCN Assembly/Origin
Assembly Site 22/Jan/2021.pdf
HTML Datasheet
AT28HC256.pdf

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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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 -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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AT28HC256-12SU Image

AT28HC256-12SU

Microchip Technology
32D-AT28HC256-12SU

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