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HomeProductsIntegrated Circuits (ICs)MemoryAT27C256R-45PU
AT27C256R-45PU Image
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See specifications for product details.

AT27C256R-45PU - Microchip Technology

Manufacturer Part Number
AT27C256R-45PU
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT27C256R-45PU
ECAD Model
Parts Description
IC EPROM 256KBIT PARALLEL 28DIP
Detailed Description
Package
28-DIP (0.600", 15.24mm)
Data sheet
AT27C256R.pdf
RoHs Status
ROHS3 Compliant
In stock: 12110

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Quantity

Specifications

AT27C256R-45PU Tech Specifications
Microchip Technology - AT27C256R-45PU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT27C256R-45PU

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-PDIP  
Series -  
Package / Case 28-DIP (0.600", 15.24mm)  
Package Tube  
Operating Temperature -40°C ~ 85°C (TC)  
Product Attribute Attribute Value  
Mounting Type Through Hole  
Memory Type Non-Volatile  
Memory Size 256Kbit  
Memory Organization 32K x 8  
Memory Interface Parallel  
Memory Format EPROM  
Base Product Number AT27C256  
Access Time 45 ns  

Parts Introduction

Manufacturer Part Number

AT27C256R-45PU

Manufacturer

Microchip Technology

Introduction

The AT27C256R-45PU is a 256Kbit, parallel interface, One-Time Programmable (OTP) EPROM from Microchip Technology. Designed for high-speed, low-power data storage.

Product Features and Performance

Non-Volatile EPROM memory.

256Kbit memory size with parallel interface.

Organized as 32K x 8 for optimal data storage and retrieval.

Features an access time of 45ns for rapid data access.

Operates within a voltage supply range of 4.5V to 5.5V.

Supports operating temperatures between -40°C and 85°C.

Product Advantages

Ideal for applications requiring fast and reliable non-volatile memory.

Low power consumption enhances device performance in power-sensitive applications.

OTP feature ensures data integrity and security.

Wide operating temperature range ensures reliability in varied environmental conditions.

Key Technical Parameters

Memory Size: 256Kbit

Memory Organization: 32K x 8

Access Time: 45 ns

Voltage Supply: 4.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Manufactured by Microchip Technology, ensuring high-quality and reliability.

Through Hole mounting technology for durable and strong connections.

Compatibility

Compatible with a wide range of circuits due to its parallel interface.

Through Hole mounting compatible with standard PCBs.

Application Areas

Widely applicable in automotive, consumer electronics, and industrial systems requiring reliable, non-volatile memory.

Product Lifecycle

Currently in Active product status, not nearing discontinuation.

Microchip Technology supports ongoing availability and has a reputation for maintaining long product lifecycles.

Several Key Reasons to Choose This Product

High-speed, low-power storage solution.

Reliable and secure data storage with OTP technology.

Versatile application across various industries.

Supported by Microchip Technology’s reputation for quality and longevity.

Wide operation range and compatibility.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT27C256R-45PU

Product Attribute AT27C256R-45PU AT27C256R-45PI AT27C256R-45JU AT27C256R-55JC
Part Number AT27C256R-45PU AT27C256R-45PI AT27C256R-45JU AT27C256R-55JC
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Operating Temperature -40°C ~ 85°C (TC) -40°C ~ 85°C (TC) -40°C ~ 85°C (TC) 0°C ~ 70°C (TC)
Access Time 45 ns 45 ns 45 ns 55 ns
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Memory Format EPROM EPROM EPROM EPROM
Memory Interface Parallel Parallel Parallel Parallel
Write Cycle Time - Word, Page - - - -
Package / Case 28-DIP (0.600", 15.24mm) 28-DIP (0.600", 15.24mm) 32-LCC (J-Lead) 32-LCC (J-Lead)
Memory Type Non-Volatile Non-Volatile Non-Volatile Non-Volatile
Memory Organization 32K x 8 32K x 8 32K x 8 32K x 8
Technology EPROM - OTP EPROM - OTP EPROM - OTP EPROM - OTP
Base Product Number AT27C256 AT27C256 AT27C256 AT27C256
Memory Size 256Kbit 256Kbit 256Kbit 256Kbit
Series - - - -
Supplier Device Package 28-PDIP 28-PDIP 32-PLCC (13.97x11.43) 32-PLCC (13.97x11.43)
Mounting Type Through Hole Through Hole Surface Mount Surface Mount
Package Tube Tube Tube Tube

AT27C256R-45PU Datasheet PDF

Download AT27C256R-45PU pdf datasheets and Microchip Technology documentation for AT27C256R-45PU - Microchip Technology.

Datasheets
AT27C256R.pdf
PCN Packaging
Boxes 07/Dec/2016.pdf Shipping Tube 19/Sep/2018.pdf
PCN Design/Specification
Marking Chgs 11/Jul/2017.pdf
PCN Assembly/Origin
AT27C/BV/LVxxxPU/Juxxx 12/Aug/2020.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-45PU

Microchip Technology
32D-AT27C256R-45PU

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