AT28C256-15SU Microchip Integrated Circuit (Small Outline Packages) In Stock

EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC Tube

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
AT28C256-15SUSmall Outline Packages
Quick Facts
Manufacturer
Microchip
Package
Small Outline Packages
Pin Count
28
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $4.2400(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Pbfree CodeYes
Manufacturer Package CodeSOIC-28
Factory Lead Time8Weeks
YTEOL14
Access Time-Max150ns
Command User InterfaceNO
Data PollingYES
Data Retention Time-Min10
Endurance10000 Write/Erase Cycles
JESD-30 CodeR-PDSO-G28
JESD-609 Codee3
Memory Density262144bit
Memory IC TypeEEPROM
Memory Width8
Number of Functions1
Number of Words32768words
Number of Words Code32000
Operating ModeASYNCHRONOUS
Organization32KX8
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP28,.4
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Page Size64words
Parallel/SerialPARALLEL
Peak Reflow Temperature (Cel)260
Programming Voltage5V
Qualification StatusNot Qualified
Standby Current-Max0.0002A
Supply Current-Max0.05mA
Supply Voltage-Max (Vsup)5.5V
Supply Voltage-Min (Vsup)4.5V
Supply Voltage-Nom (Vsup)5V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Toggle BitYES
Write Cycle Time-Max (tWC)10ms
Write ProtectionHARDWARE/SOFTWARE
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
ECCNEAR99
HTS Code8542.32.00.51
Country of OriginTaiwan

Datasheet

AT28C256-15SU Datasheet Download

Official datasheet from Microchip

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of AT28C256-15SU?

AT28C256-15SU is priced from $4.2400 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is AT28C256-15SU in stock?

AT28C256-15SU is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy AT28C256-15SU?

You can buy AT28C256-15SU from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for AT28C256-15SU from Microchip.

What is the datasheet for AT28C256-15SU?

The official AT28C256-15SU datasheet from Microchip contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does AT28C256-15SU come in?

AT28C256-15SU is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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Authorized Source
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Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
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About Microchip

Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
From $4.2400
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$5.1400$5.14
25+$4.7800$119.50
100+$4.2400$424.00
pcs
Unit price: $5.1400 · Total: $5.14

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany