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HomeProductsIntegrated Circuits (ICs)MemoryAT27C256R-70TU
AT27C256R-70TU Image
Image may be representation.
See specifications for product details.

AT27C256R-70TU - Microchip Technology

Manufacturer Part Number
AT27C256R-70TU
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT27C256R-70TU
ECAD Model
Parts Description
IC EPROM 256KBIT PARALLEL 28TSOP
Detailed Description
Package
28-TSSOP (0.465', 11.80mm Width)
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
In stock: 15500

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Quantity

Specifications

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

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Write Cycle Time - Word, Page -  
Voltage - Supply 4.5V ~ 5.5V  
Technology EPROM - OTP  
Supplier Device Package 28-TSOP  
Series -  
Package / Case 28-TSSOP (0.465', 11.80mm Width)  
Package Tray  
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-70TU

Manufacturer

microchip-technology

Introduction

The AT27C256R-70TU is a high-performance 256Kbit (32K x 8) EPROM memory chip. It offers reliable and efficient data storage with a fast access time of 70 ns, making it suitable for a wide range of embedded applications that require non-volatile memory.

Product Features and Performance

256Kbit (32K x 8) EPROM memory

70 ns access time

Parallel memory interface

Operating voltage range of 4.5V to 5.5V

Operating temperature range of -40°C to 85°C (TC)

Surface mount package (28-TSSOP)

Product Advantages

High-speed performance for efficient data access

Reliable non-volatile memory storage

Wide operating temperature range for versatile applications

Compact surface mount package for space-saving designs

Key Reasons to Choose This Product

Proven reliability and performance for critical embedded systems

Seamless integration with a variety of microcontrollers and processors

Cost-effective solution for applications requiring non-volatile memory

Extensive technical support and product availability from Microchip Technology

Quality and Safety Features

Rigorous quality control and testing processes

Compliance with industry standards and regulations

Robust design for reliable operation in challenging environments

Compatibility

The AT27C256R-70TU is compatible with a wide range of microcontrollers and processors that support parallel EPROM memory interfaces.

Application Areas

Industrial automation and control systems

Automotive electronics

Telecommunications equipment

Consumer electronics

Medical devices

Aerospace and defense systems

Product Lifecycle

The AT27C256R-70TU is an obsolete product, meaning it is no longer in active production. However, there are several equivalent or alternative EPROM memory models available from Microchip Technology that offer similar functionality and performance characteristics. Customers are advised to contact our website's sales team for more information on available alternatives and product support.

Parts with Similar Specifications

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

Product Attribute AT27C256R-70TU AT27C256R-70JI AT27C256R-90TC AT27C256R-70PC
Part Number AT27C256R-70TU AT27C256R-70JI AT27C256R-90TC AT27C256R-70PC
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Access Time 70 ns 70 ns 90 ns 70 ns
Base Product Number AT27C256 AT27C256 AT27C256 AT27C256
Memory Type Non-Volatile Non-Volatile Non-Volatile Non-Volatile
Series - - - -
Memory Organization 32K x 8 32K x 8 32K x 8 32K x 8
Memory Format EPROM EPROM EPROM EPROM
Package Tray Tube Tray Tube
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole
Package / Case 28-TSSOP (0.465', 11.80mm Width) 32-LCC (J-Lead) 28-TSSOP (0.465', 11.80mm Width) 28-DIP (0.600', 15.24mm)
Write Cycle Time - Word, Page - - - -
Technology EPROM - OTP EPROM - OTP EPROM - OTP EPROM - OTP
Supplier Device Package 28-TSOP 32-PLCC (13.97x11.43) 28-TSOP 28-PDIP
Memory Interface Parallel Parallel Parallel Parallel
Memory Size 256Kbit 256Kbit 256Kbit 256Kbit
Operating Temperature -40°C ~ 85°C (TC) -40°C ~ 85°C (TC) 0°C ~ 70°C (TC) 0°C ~ 70°C (TC)
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V

AT27C256R-70TU Datasheet PDF

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

Datasheets
Cylindrical Battery Holders.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-70TU Image

AT27C256R-70TU

Microchip Technology
32D-AT27C256R-70TU

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