AT89C51RC-24AUAlternatives & Equivalent Parts
About AT89C51RC-24AU
AT89C51RC-24AU is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat 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 | AT89C51RC-24AUSource | AT89C51ED2-SMRUM | AT89C51RC-24PU | AT89S51-24AU | AT89C51-24JI | HRS4-S-DC12V | PIC16F18325-I/P | CH74-2032LF |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | MULTICOMP | Microchip | MULTICOMP |
| Package Type | Quad Flat Packages | Plastic Leaded Chip Carrier | Dual-In-Line Packages | Quad Flat Packages | Plastic Leaded Chip Carrier | Other | Dual-In-Line Packages | Other |
| Pin Count | 44 | 68 | 40 | 44 | 44 | 5 | 14 | 3 |
| Temperature Range | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | — | -40.0°C ~ 85.0°C | — |
| Price | $2.2800 | $7.6500 | $3.7400 | $1.6200 | $3.0900 | — | $1.1300 | $0.4200 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE | — |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | — | Yes | Yes | — | — | — | — |
| Manufacturer Package Code | TQFP-44 | — | PDIP-40 | TQFP-44 | — | — | PDIP-14 | — |
| Factory Lead Time | 10 Weeks | — | 6 Weeks | 9 Weeks | — | — | 6 Weeks | — |
| YTEOL | 13 | — | 14 | 14 | — | — | 14 | — |
| Has ADC | NO | — | NO | NO | — | — | YES | — |
| Address Bus Width | 16 | — | 16 | 16 | — | — | — | — |
| Bit Size | 8 | — | 8 | 8 | — | — | 8 | — |
| Boundary Scan | NO | — | NO | NO | — | — | NO | — |
| CPU Family | 8051 | — | 8051 | 80C51 | — | — | PIC16 | — |
| Clock Frequency-Max | 24 MHz | — | 24 MHz | 33 MHz | — | — | 32 MHz | — |
| DAC Channels | NO | — | NO | NO | — | — | YES | — |
| DMA Channels | NO | — | NO | NO | — | — | NO | — |
| External Data Bus Width | 8 | — | 8 | 8 | — | — | — | — |
| Format | FIXED POINT | — | FIXED POINT | FIXED POINT | — | — | FIXED POINT | — |
| Integrated Cache | NO | — | NO | NO | — | — | NO | — |
| JESD-30 Code | S-PQFP-G44 | — | R-PDIP-T40 | S-PQFP-G44 | — | — | R-PDIP-T14 | — |
| JESD-609 Code | e3 | — | e3 | e3 | — | — | e3 | — |
| Low Power Mode | NO | — | NO | YES | — | — | YES | — |
| Number of External Interrupts | 2 | — | 2 | 2 | — | — | 1 | — |
| Number of I/O Lines | 32 | — | 32 | 32 | — | — | 12 | — |
| Number of Serial I/Os | 1 | — | 1 | 1 | — | — | 1 | — |
| Number of Timers | 3 | — | 3 | 2 | — | — | 9 | — |
| On Chip Data RAM Width | 8 | — | 8 | 8 | — | — | 8 | — |
| On Chip Program ROM Width | 8 | — | 8 | 8 | — | — | 8 | — |
| PWM Channels | NO | — | NO | NO | — | — | YES | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | — |
| Package Equivalence Code | TQFP44,.39SQ,31 | — | DIP40,.6 | TQFP44,.39SQ,31 | — | — | DIP14,.3 | — |
| Package Shape | SQUARE | — | RECTANGULAR | SQUARE | — | — | RECTANGULAR | — |
| Package Style | FLATPACK, THIN PROFILE | — | IN-LINE | FLATPACK, THIN PROFILE | — | — | IN-LINE | — |
| Peak Reflow Temperature (Cel) | 260 | — | — | 260 | — | — | — | — |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | — | — | Not Qualified | — |
| RAM (bytes) | 512 | — | 512 | 128 | — | — | 1024 | — |
| ROM (words) | 32768 | — | 32768 | 4096 | — | — | 14336 | — |
| ROM Programmability | FLASH | — | FLASH | FLASH | — | — | FLASH | — |
| Speed | 24 MHz | — | 24 MHz | 24 MHz | — | — | 32 MHz | — |
| Supply Current-Max | 25 mA | — | 25 mA | 25 mA | — | — | 3.1 mA | — |
| Supply Voltage-Max | 5.5 V | — | 5.5 V | 5.5 V | — | — | 5.5 V | — |
| Supply Voltage-Min | 5 V | — | 5 V | 5 V | — | — | 2.5 V | — |
| Supply Voltage-Nom | 5 V | — | 5 V | 5 V | — | — | 3 V | — |
| Surface Mount | YES | — | NO | YES | — | — | NO | — |
| Technology | CMOS | — | CMOS | CMOS | — | — | CMOS | — |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | — | — | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) | — | Matte Tin (Sn) | Matte Tin (Sn) | — | — | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | — | THROUGH-HOLE | GULL WING | — | — | THROUGH-HOLE | — |
| Terminal Pitch | 0.8 mm | — | 2.54 mm | 0.8 mm | — | — | 2.54 mm | — |
| Terminal Position | QUAD | — | DUAL | QUAD | — | — | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | — | 40 | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER | — | MICROCONTROLLER | MICROCONTROLLER | — | — | MICROCONTROLLER, RISC | — |
| ## AT89C51RC-24AU Alternates Showing results | Image | — | — | — | — | — | — | — |
| ## AT89C51RC-24PU Alternates Showing results | — | — | Image | — | — | — | — | — |
| ## AT89S51-24AU Alternates Showing results | — | — | — | Image | — | — | — | — |
| Additional Feature | — | — | — | — | — | — | OPERATES AT 2.3V MIN @ 16 MHZ | — |
| ## PIC16F18325-I/P Alternates Showing results | — | — | — | — | — | — | Image | — |
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 7 alternatives for AT89C51RC-24AU — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for AT89C51RC-24AU 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 AT89C51RC-24AU 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 AT89C51RC-24AU?
Known equivalents for AT89C51RC-24AU include AT89C51ED2-SMRUM, AT89C51RC-24PU, AT89S51-24AU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT89C51RC-24AU?
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 AT89C51RC-24AU 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.