AT89C55WD-24PUAlternatives & Equivalent Parts

About AT89C55WD-24PU

AT89C55WD-24PU is a Integrated Circuit component manufactured by Microchip. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterAT89C55WD-24PUSourceAT89S8252-24JCTCA9534APWR685119136923LQW15AN15NH00D
ManufacturerMicrochipMicrochipTexas InstrumentsWürth ElektronikMurata Electronics
Package TypeDual-In-Line PackagesPlastic Leaded Chip CarrierSmall Outline PackagesOtherOther
Pin Count404416232
Temperature Range-40.0°C ~ 85.0°C—-40.0°C ~ 85.0°C-25.0°C ~ 85.0°C—
Price$3.4600$3.2126$0.5550$0.6490$0.0410
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVE—ACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYes—Yes—Yes
Manufacturer Package CodePDIP-40————
Factory Lead Time6 Weeks———8 Weeks
YTEOL14—15157
Has ADCNO————
Address Bus Width16—8——
Bit Size8————
Boundary ScanNO————
CPU Family80C51————
Clock Frequency-Max33 MHz—0.4 MHz——
DAC ChannelsNO————
DMA ChannelsNO————
External Data Bus Width8————
FormatFIXED POINT————
Integrated CacheNO————
JESD-30 CodeR-PDIP-T40—R-PDSO-G16——
JESD-609 Codee3—e4e4e3
Low Power ModeYES————
Number of External Interrupts2————
Number of I/O Lines32—8——
Number of Serial I/Os1————
Number of Timers3————
On Chip Data RAM Width8————
On Chip Program ROM Width8————
PWM ChannelsNO————
Package Body MaterialPLASTIC/EPOXY—PLASTIC/EPOXY——
Package Equivalence CodeDIP40,.6————
Package ShapeRECTANGULAR—RECTANGULAR——
Package StyleIN-LINE—SMALL OUTLINE, THIN PROFILE, SHRINK PITCH—SMT
Qualification StatusNot Qualified————
RAM (bytes)256————
ROM (words)20480————
ROM ProgrammabilityFLASH————
Speed24 MHz————
Supply Current-Max25 mA—0.04 mA——
Supply Voltage-Max5.5 V—5.5 V——
Supply Voltage-Min5 V—1.65 V——
Supply Voltage-Nom5 V—1.8 V——
Surface MountNO—YES—Reflow soldering
TechnologyCMOS—CMOS——
Temperature GradeINDUSTRIAL—INDUSTRIAL——
Terminal FinishMatte Tin (Sn)—Nickel/Palladium/Gold (Ni/Pd/Au)—Matte Tin (Sn) - with Nickel (Ni) barrier
Terminal FormTHROUGH-HOLE—GULL WING——
Terminal Pitch2.54 mm—0.65 mm0.4 mm—
Terminal PositionDUAL—DUAL——
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER—PARALLEL IO PORT, GENERAL PURPOSE——
## AT89C55WD-24PU Alternates Showing resultsImage————
Number of Bits——8——
Number of Ports——11—
Peak Reflow Temperature (Cel)——260——
Time@Peak Reflow Temperature-Max (s)——30——
Board Mounting Option———PEG—
Body Breadth———0.13 inch—
Body Depth———0.311 inch—
Body Length———0.441 inch—
Connector Type———HDMI CONNECTOR—
Contact Finish Mating———NOT APPLICABLE—
Contact Finish Termination———Gold (Au)—
Contact Gender———FEMALE—
Contact Material———NOT APPLICABLE—
Contact Pattern———RECTANGULAR—
Contact Resistance———30 mΩ—
Contact Style———TELCOM, MODULAR—
Dielectric Withstanding Voltage———500VAC V—
Durability———1500 Cycles—
Empty Shell———NO—
Filter Feature———NO—
Insulation Resistance———100000000 Ω—
Insulator Color———BLACK—
Insulator Material———LIQUID CRYSTAL POLYMER—
Mixed Contacts———NO—
Mounting Option 1———LOCKING—
Mounting Style———RIGHT ANGLE—
Mounting Type———BOARD—
Number Of Connectors———ONE—
Number Of PCB Rows———1—
Number of Rows Loaded———1—
Option———GENERAL PURPOSE—
PCB Contact Pattern———RECTANGULAR—
Polarization Key———POLARIZED HOUSING—
Rated Current (Signal)———0.5 A—
Reference Standard———UL—
Shell Finish———TIN—
Shell Material———BRASS—
Termination Type———SURFACE MOUNT—
Total Number of Contacts———19—
UL Flammability Code———94V-0—
Case/Size Code————1005/0402
Construction————Wirewound Chip
Core Material————WIREWOUND
DC Resistance————0.16 Ω
Inductance-Nom (L)————0.015 µH
Inductor Application————RF INDUCTOR
Inductor Type————GENERAL PURPOSE INDUCTOR
Number of Functions————1
Package Height————0.5 mm
Package Length————1 mm
Package Width————0.6 mm
Packing Method————TR, PAPER, 7 INCH
Quality Factor-Min (at L-nom)————30
Rated Current-Max————0.46 A
Self Resonance Frequency————5000 MHz
Shape/Size Description————RECTANGULAR PACKAGE
Shielded————NO
Special Feature————Q MEASURED AT 250 MHZ
Terminal Placement————DUAL ENDED
Terminal Shape————ONE SURFACE
Test Frequency————250 MHz
Tolerance————3%

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Get one quote covering all 4 alternatives for AT89C55WD-24PU — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for AT89C55WD-24PU is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating AT89C55WD-24PU replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to AT89C55WD-24PU?

Known equivalents for AT89C55WD-24PU include AT89S8252-24JC, TCA9534APWR, 685119136923. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of AT89C55WD-24PU?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify AT89C55WD-24PU alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.