AT89C51-24JIAlternatives & Equivalent Parts
About AT89C51-24JI
AT89C51-24JI is a Integrated Circuit component manufactured by Microchip. It comes in a Plastic Leaded Chip Carrier 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 | AT89C51-24JISource | AT89C51RC2-3CSUM | AT89C51-24PC | AT89C51ED2-SMRUM | AT89C51RC-24AU |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Plastic Leaded Chip Carrier | Dual-In-Line Packages | Dual-In-Line Packages | Plastic Leaded Chip Carrier | Quad Flat Packages |
| Pin Count | 44 | 40 | 40 | 68 | 44 |
| Temperature Range | — | -40.0°C ~ 85.0°C | — | — | -40.0°C ~ 85.0°C |
| Price | $3.0900 | $6.0100 | $3.9150 | $7.6500 | $2.2800 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | — | Yes | — | — | Yes |
| Manufacturer Package Code | — | PDIP-40 | — | — | TQFP-44 |
| Factory Lead Time | — | 6 Weeks | — | — | 10 Weeks |
| YTEOL | — | 14 | — | — | 13 |
| 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 | — | — | S-PQFP-G44 |
| 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 | — | — | TQFP44,.39SQ,31 |
| Package Shape | — | RECTANGULAR | — | — | SQUARE |
| Package Style | — | IN-LINE | — | — | FLATPACK, THIN PROFILE |
| 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 | — | — | YES |
| Technology | — | CMOS | — | — | CMOS |
| Temperature Grade | — | INDUSTRIAL | — | — | INDUSTRIAL |
| Terminal Finish | — | Matte Tin (Sn) | — | — | Matte Tin (Sn) |
| Terminal Form | — | THROUGH-HOLE | — | — | GULL WING |
| Terminal Pitch | — | 2.54 mm | — | — | 0.8 mm |
| Terminal Position | — | DUAL | — | — | QUAD |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER | — | — | MICROCONTROLLER |
| Peak Reflow Temperature (Cel) | — | — | — | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | 40 |
| ## AT89C51RC-24AU 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 4 alternatives for AT89C51-24JI — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AT89C51-24JI 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 AT89C51-24JI 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 AT89C51-24JI?
Known equivalents for AT89C51-24JI include AT89C51RC2-3CSUM, AT89C51-24PC, AT89C51ED2-SMRUM. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT89C51-24JI?
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 AT89C51-24JI 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.