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
| Parameter | AT89C55WD-24PUSource | AT89S8252-24JC | TCA9534APWR | 685119136923 | LQW15AN15NH00D |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Texas Instruments | Würth Elektronik | Murata Electronics |
| Package Type | Dual-In-Line Packages | Plastic Leaded Chip Carrier | Small Outline Packages | Other | Other |
| Pin Count | 40 | 44 | 16 | 23 | 2 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | — | Yes | — | Yes |
| Manufacturer Package Code | PDIP-40 | — | — | — | — |
| Factory Lead Time | 6 Weeks | — | — | — | 8 Weeks |
| YTEOL | 14 | — | 15 | 15 | 7 |
| Has ADC | NO | — | — | — | — |
| Address Bus Width | 16 | — | 8 | — | — |
| Bit Size | 8 | — | — | — | — |
| Boundary Scan | NO | — | — | — | — |
| CPU Family | 80C51 | — | — | — | — |
| Clock Frequency-Max | 33 MHz | — | 0.4 MHz | — | — |
| DAC Channels | NO | — | — | — | — |
| DMA Channels | NO | — | — | — | — |
| External Data Bus Width | 8 | — | — | — | — |
| Format | FIXED POINT | — | — | — | — |
| Integrated Cache | NO | — | — | — | — |
| JESD-30 Code | R-PDIP-T40 | — | R-PDSO-G16 | — | — |
| JESD-609 Code | e3 | — | e4 | e4 | e3 |
| Low Power Mode | YES | — | — | — | — |
| Number of External Interrupts | 2 | — | — | — | — |
| Number of I/O Lines | 32 | — | 8 | — | — |
| Number of Serial I/Os | 1 | — | — | — | — |
| Number of Timers | 3 | — | — | — | — |
| On Chip Data RAM Width | 8 | — | — | — | — |
| On Chip Program ROM Width | 8 | — | — | — | — |
| PWM Channels | NO | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | — |
| Package Equivalence Code | DIP40,.6 | — | — | — | — |
| Package Shape | RECTANGULAR | — | RECTANGULAR | — | — |
| Package Style | IN-LINE | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | SMT |
| Qualification Status | Not Qualified | — | — | — | — |
| RAM (bytes) | 256 | — | — | — | — |
| ROM (words) | 20480 | — | — | — | — |
| ROM Programmability | FLASH | — | — | — | — |
| Speed | 24 MHz | — | — | — | — |
| Supply Current-Max | 25 mA | — | 0.04 mA | — | — |
| Supply Voltage-Max | 5.5 V | — | 5.5 V | — | — |
| Supply Voltage-Min | 5 V | — | 1.65 V | — | — |
| Supply Voltage-Nom | 5 V | — | 1.8 V | — | — |
| Surface Mount | NO | — | YES | — | Reflow soldering |
| Technology | CMOS | — | CMOS | — | — |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | — | — |
| Terminal Finish | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Form | THROUGH-HOLE | — | GULL WING | — | — |
| Terminal Pitch | 2.54 mm | — | 0.65 mm | 0.4 mm | — |
| Terminal Position | DUAL | — | DUAL | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER | — | PARALLEL IO PORT, GENERAL PURPOSE | — | — |
| ## AT89C55WD-24PU Alternates Showing results | Image | — | — | — | — |
| Number of Bits | — | — | 8 | — | — |
| Number of Ports | — | — | 1 | 1 | — |
| 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.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for AT89C55WD-24PU — response within 24 hours.
Quick Links
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.