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HomeProductsIntegrated Circuits (ICs)MemoryAT27C256R-70JI
AT27C256R-70JI Image
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See specifications for product details.

AT27C256R-70JI - Microchip Technology

Manufacturer Part Number
AT27C256R-70JI
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT27C256R-70JI
ECAD Model
Parts Description
IC EPROM 256KBIT PARALLEL 32PLCC
Detailed Description
Package
32-LCC (J-Lead)
Data sheet
AT27C256R.pdf
In stock: 7990

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Quantity

Specifications

AT27C256R-70JI Tech Specifications
Microchip Technology - AT27C256R-70JI technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT27C256R-70JI

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Write Cycle Time - Word, Page -  
Voltage - Supply 4.5V ~ 5.5V  
Technology EPROM - OTP  
Supplier Device Package 32-PLCC (13.97x11.43)  
Series -  
Package / Case 32-LCC (J-Lead)  
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 EPROM  
Base Product Number AT27C256  
Access Time 70 ns  

Parts Introduction

Manufacturer Part Number

AT27C256R-70JI

Manufacturer

Microchip Technology

Introduction

The AT27C256R-70JI is an EPROM (Erasable Programmable Read-Only Memory) chip, designed for applications where memory needs to be programmed during the development phase but is read-only in application. Manufactured by Microchip Technology, it is a non-volatile memory solution offering a memory size of 256Kbit.

Product Features and Performance

Non-Volatile EPROM memory

Memory Size: 256Kbit

Memory Organization: 32K x 8

Parallel Memory Interface

Access Time: 70 ns

Operates at voltage range 4.5V ~ 5.5V

Operating temperature range from -40°C ~ 85°C

Surface Mount technology in 32-LCC (J-Lead) package

Product Advantages

Retains memory without power

Fast access time enhances overall system speed

Wide voltage and temperature range ensures functionality in diverse environments

Compact surface mount package for space-sensitive applications

Key Technical Parameters

Memory Type: EPROM OTP

Memory Size: 256Kbit

Memory Organization: 32K x 8

Access Time: 70 ns

Voltage Supply: 4.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Designed and tested for high reliability and durability under extreme conditions

Compliance with industry standard safety and quality norms

Compatibility

Compatible with parallel memory interface systems

Surface mount technology allows integration into a wide range of products

Application Areas

Embedded systems

Legacy systems maintenance

Industrial control systems

Medical devices

Telecommunication equipment

Product Lifecycle

Obsolete status, indicating that the product is near the end of its production life

Potential for availability of replacements or upgrades should be checked with manufacturer

Several Key Reasons to Choose This Product

Durable and reliable non-volatile memory solution

Fast access time contributing to system efficiency

Wide operational range suited for various environments

Compact and versatile for easy integration

From a reputable manufacturer with a proven track record in memory technology

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT27C256R-70JI

Product Attribute AT27C256R-70JI AT27C256R-70RU AT27C256R-90JI AT27C256R-45PI
Part Number AT27C256R-70JI AT27C256R-70RU AT27C256R-90JI AT27C256R-45PI
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Write Cycle Time - Word, Page - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole
Memory Organization 32K x 8 32K x 8 32K x 8 32K x 8
Memory Size 256Kbit 256Kbit 256Kbit 256Kbit
Memory Type Non-Volatile Non-Volatile Non-Volatile Non-Volatile
Supplier Device Package 32-PLCC (13.97x11.43) 28-SOIC 32-PLCC (13.97x11.43) 28-PDIP
Package / Case 32-LCC (J-Lead) 28-SOIC (0.342", 8.69mm Width) 32-LCC (J-Lead) 28-DIP (0.600", 15.24mm)
Memory Interface Parallel Parallel Parallel Parallel
Base Product Number AT27C256 AT27C256 AT27C256 AT27C256
Operating Temperature -40°C ~ 85°C (TC) -40°C ~ 85°C (TC) -40°C ~ 85°C (TC) -40°C ~ 85°C (TC)
Technology EPROM - OTP EPROM - OTP EPROM - OTP EPROM - OTP
Series - - - -
Package Tube Tube Tube Tube
Access Time 70 ns 70 ns 90 ns 45 ns
Memory Format EPROM EPROM EPROM EPROM
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V

AT27C256R-70JI Datasheet PDF

Download AT27C256R-70JI pdf datasheets and Microchip Technology documentation for AT27C256R-70JI - Microchip Technology.

Datasheets
AT27C256R.pdf
PCN Packaging
MBB/Label Chgs 16/Nov/2018.pdf Transfer to Microchip/Label/Pkg 5/Sep/2016.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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AT27C256R-70JI

Microchip Technology
32D-AT27C256R-70JI

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