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HomeProductsIntegrated Circuits (ICs)MemoryAT27C256R-90TC
AT27C256R-90TC Image
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See specifications for product details.

AT27C256R-90TC - Microchip Technology

Manufacturer Part Number
AT27C256R-90TC
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT27C256R-90TC
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
In stock: 14760

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Quantity

Specifications

AT27C256R-90TC Tech Specifications
Microchip Technology - AT27C256R-90TC technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT27C256R-90TC

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 0°C ~ 70°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 90 ns  

Parts Introduction

Manufacturer Part Number

AT27C256R-90TC

Manufacturer

Microchip Technology

Introduction

High-performance, 256Kbit, 5V, UV-erasable, electrically programmable read-only memory (EPROM)

Product Features and Performance

90ns maximum access time

5V to 5.5V supply voltage range

Parallel memory interface

32K x 8-bit memory organization

EPROM memory technology

UV-erasable and electrically reprogrammable

Extended temperature range of 0°C to 70°C

Product Advantages

Wide operating voltage range

Fast access time

Widely compatible parallel memory interface

Flexible memory capacity and organization

Rewritable EPROM technology

Key Technical Parameters

Memory Size: 256Kbit

Memory Type: Non-Volatile EPROM

Access Time: 90ns

Supply Voltage: 4.5V to 5.5V

Temperature Range: 0°C to 70°C

Memory Organization: 32K x 8-bit

Quality and Safety Features

RoHS non-compliant

28-TSOP package

Compatibility

Compatible with a wide range of systems and applications that require parallel EPROM memory

Application Areas

Embedded systems

Instrumentation and control equipment

Industrial automation

Automotive electronics

Consumer electronics

Product Lifecycle

The AT27C256R-90TC is a mature product that has been in production for many years

Replacement or upgrade options may be available from Microchip or other suppliers

Key Reasons to Choose This Product

High-performance EPROM memory with fast access time

Wide operating voltage range for flexibility

Robust and reliable EPROM technology

Widely compatible parallel memory interface

Extended temperature range for industrial and harsh environments

Mature and well-established product with potential replacement options

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT27C256R-90TC

Product Attribute AT27C256R-90TC AT27C4096-12JI AT27C256R-90JC AT27C256R-90JI
Part Number AT27C256R-90TC AT27C4096-12JI AT27C256R-90JC AT27C256R-90JI
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Memory Interface Parallel Parallel Parallel Parallel
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C (TC) -40°C ~ 85°C (TC) 0°C ~ 70°C (TC) -40°C ~ 85°C (TC)
Memory Type Non-Volatile Non-Volatile Non-Volatile Non-Volatile
Access Time 90 ns 120 ns 90 ns 90 ns
Base Product Number AT27C256 AT27C4096 AT27C256 AT27C256
Supplier Device Package 28-TSOP 44-PLCC (16.6x16.6) 32-PLCC (13.97x11.43) 32-PLCC (13.97x11.43)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Write Cycle Time - Word, Page - - - -
Series - - - -
Package Tray Tube Tube Tube
Package / Case 28-TSSOP (0.465', 11.80mm Width) 44-LCC (J-Lead) 32-LCC (J-Lead) 32-LCC (J-Lead)
Technology EPROM - OTP EPROM - OTP EPROM - OTP EPROM - OTP
Memory Format EPROM EPROM EPROM EPROM
Memory Organization 32K x 8 256K x 16 32K x 8 32K x 8
Memory Size 256Kbit 4Mbit 256Kbit 256Kbit

AT27C256R-90TC Datasheet PDF

Download AT27C256R-90TC pdf datasheets and Microchip Technology documentation for AT27C256R-90TC - 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-90TC Image

AT27C256R-90TC

Microchip Technology
32D-AT27C256R-90TC

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