AT89C55WD-24JU Microchip Integrated Circuit (Plastic Leaded Chip Carrier) In Stock

AT89C55WD-24JU, 8 bit 8051 Microcontroller 24MHz 20kb Flash, 256B RAM, 44-Pin PLCC

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
AT89C55WD-24JUPlastic Leaded Chip Carrier
Quick Facts
Manufacturer
Microchip
Package
Plastic Leaded Chip Carrier
Pin Count
44
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $3.4100(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 CodePLCC-44
Factory Lead Time10Weeks
YTEOL14
Has ADCNO
Address Bus Width16
Bit Size8
Boundary ScanNO
CPU Family80C51
Clock Frequency-Max33MHz
DAC ChannelsNO
DMA ChannelsNO
External Data Bus Width8
FormatFIXED POINT
Integrated CacheNO
JESD-30 CodeS-PQCC-J44
JESD-609 Codee3
Low Power ModeYES
Number of External Interrupts2
Number of I/O Lines32
Number of Serial I/Os1
Number of Timers3
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsNO
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeLDCC44,.7SQ
Package ShapeSQUARE
Package StyleCHIP CARRIER
Peak Reflow Temperature (Cel)245
Qualification StatusNot Qualified
RAM (bytes)256
ROM (words)20480
ROM ProgrammabilityFLASH
Speed24MHz
Supply Current-Max25mA
Supply Voltage-Max5.5V
Supply Voltage-Min5V
Supply Voltage-Nom5V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormJ BEND
Terminal Pitch1.27mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)40
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
PackagePlastic Leaded Chip Carrier

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
ECCN3A991.A.2
HTS Code8542.31.00.01
Country of OriginThailand

Datasheet

AT89C55WD-24JU 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 AT89C55WD-24JU?

AT89C55WD-24JU is priced from $3.4100 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is AT89C55WD-24JU in stock?

AT89C55WD-24JU 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 AT89C55WD-24JU?

You can buy AT89C55WD-24JU from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for AT89C55WD-24JU from Microchip.

What is the datasheet for AT89C55WD-24JU?

The official AT89C55WD-24JU 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 AT89C55WD-24JU come in?

AT89C55WD-24JU is available in Plastic Leaded Chip Carrier packaging. See the package diagram and pinout above for detailed dimensional information.

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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 $3.4100
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$4.6600$4.66
4+$3.7736$15.09
8+$3.7191$29.75
16+$3.6646$58.63
1000+$3.5800$3580.00
5000+$3.4100$17050.00
pcs
Unit price: $4.6600 · Total: $4.66

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