AT89C51-24PCAlternatives & Equivalent Parts
About AT89C51-24PC
AT89C51-24PC 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 | AT89C51-24PCSource | AT89C51-24JI | AT89C51RC2-3CSUM | AT89C51RC-24PU |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip |
| Package Type | Dual-In-Line Packages | Plastic Leaded Chip Carrier | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 40 | 44 | 40 | 40 |
| Temperature Range | — | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $3.9150 | $3.0900 | $6.0100 | $3.7400 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | — | — | Yes | Yes |
| Manufacturer Package Code | — | — | PDIP-40 | PDIP-40 |
| Factory Lead Time | — | — | 6 Weeks | 6 Weeks |
| YTEOL | — | — | 14 | 14 |
| Has ADC | — | — | NO | NO |
| Address Bus Width | — | — | 16 | 16 |
| Bit Size | — | — | 8 | 8 |
| Boundary Scan | — | — | NO | NO |
| CPU Family | — | — | 8051 | 8051 |
| Clock Frequency-Max | — | — | 40 MHz | 24 MHz |
| DAC Channels | — | — | NO | NO |
| DMA Channels | — | — | NO | NO |
| External Data Bus Width | — | — | 8 | 8 |
| Format | — | — | FIXED POINT | FIXED POINT |
| Integrated Cache | — | — | NO | NO |
| JESD-30 Code | — | — | R-PDIP-T40 | R-PDIP-T40 |
| JESD-609 Code | — | — | e3 | e3 |
| Low Power Mode | — | — | YES | NO |
| Number of External Interrupts | — | — | 2 | 2 |
| Number of I/O Lines | — | — | 32 | 32 |
| Number of Serial I/Os | — | — | 1 | 1 |
| Number of Timers | — | — | 3 | 3 |
| On Chip Data RAM Width | — | — | 8 | 8 |
| On Chip Program ROM Width | — | — | 8 | 8 |
| PWM Channels | — | — | YES | NO |
| Package Body Material | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | — | DIP40,.6 | DIP40,.6 |
| Package Shape | — | — | RECTANGULAR | RECTANGULAR |
| Package Style | — | — | IN-LINE | IN-LINE |
| Qualification Status | — | — | Not Qualified | Not Qualified |
| RAM (bytes) | — | — | 1280 | 512 |
| ROM (words) | — | — | 32768 | 32768 |
| ROM Programmability | — | — | FLASH | FLASH |
| Speed | — | — | 40 MHz | 24 MHz |
| Supply Current-Max | — | — | 29 mA | 25 mA |
| Supply Voltage-Max | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | — | — | 5 V | 5 V |
| Supply Voltage-Nom | — | — | 5 V | 5 V |
| Surface Mount | — | — | NO | NO |
| Technology | — | — | CMOS | CMOS |
| Temperature Grade | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | — | — | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | — | — | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | — | — | 2.54 mm | 2.54 mm |
| Terminal Position | — | — | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER | MICROCONTROLLER |
| ## AT89C51RC-24PU 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 3 alternatives for AT89C51-24PC — response within 24 hours.
Quick Links
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Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40
Why Look for Alternatives?
Finding alternatives for AT89C51-24PC 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 AT89C51-24PC 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 AT89C51-24PC?
Known equivalents for AT89C51-24PC include AT89C51-24JI, AT89C51RC2-3CSUM, AT89C51RC-24PU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT89C51-24PC?
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 AT89C51-24PC 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.