AT89S51-24JCAlternatives & Equivalent Parts
About AT89S51-24JC
AT89S51-24JC 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 | AT89S51-24JCSource | AT89S51-24JU | AT89S51-24AU | AT89S51-33PU | 52745-1097 |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Molex |
| Package Type | Plastic Leaded Chip Carrier | Plastic Leaded Chip Carrier | Quad Flat Packages | Dual-In-Line Packages | Other |
| Pin Count | 44 | 44 | 44 | 40 | 12 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -20.0°C ~ 85.0°C |
| Price | $2.1500 | $1.0700 | $1.6200 | — | $0.6188 |
| 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 | — | PLCC-44 | TQFP-44 | — | — |
| Factory Lead Time | — | 10 Weeks | 9 Weeks | — | — |
| YTEOL | — | 14 | 14 | 6 | 7.77 |
| Has ADC | — | NO | NO | NO | — |
| Address Bus Width | — | 16 | 16 | 16 | — |
| Bit Size | — | 8 | 8 | 8 | — |
| Boundary Scan | — | NO | NO | NO | — |
| CPU Family | — | 80C51 | 80C51 | 8051 | — |
| Clock Frequency-Max | — | 33 MHz | 33 MHz | 33 MHz | — |
| DAC Channels | — | NO | NO | NO | — |
| DMA Channels | — | NO | NO | NO | — |
| External Data Bus Width | — | 8 | 8 | 8 | — |
| Format | — | FIXED POINT | FIXED POINT | — | — |
| Integrated Cache | — | NO | NO | — | — |
| JESD-30 Code | — | S-PQCC-J44 | S-PQFP-G44 | R-PDIP-T40 | — |
| JESD-609 Code | — | e3 | e3 | — | e4 |
| Low Power Mode | — | YES | YES | — | — |
| Number of External Interrupts | — | 2 | 2 | — | — |
| Number of I/O Lines | — | 32 | 32 | 32 | — |
| Number of Serial I/Os | — | 1 | 1 | — | — |
| Number of Timers | — | 2 | 2 | — | — |
| On Chip Data RAM Width | — | 8 | 8 | — | — |
| On Chip Program ROM Width | — | 8 | 8 | 8 | — |
| PWM Channels | — | NO | NO | NO | — |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | — | LDCC44,.7SQ | TQFP44,.39SQ,31 | DIP40,.6 | — |
| Package Shape | — | SQUARE | SQUARE | RECTANGULAR | — |
| Package Style | — | CHIP CARRIER | FLATPACK, THIN PROFILE | IN-LINE | — |
| Peak Reflow Temperature (Cel) | — | 245 | 260 | — | — |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | — |
| RAM (bytes) | — | 128 | 128 | 128 | — |
| ROM (words) | — | 4096 | 4096 | 4096 | — |
| ROM Programmability | — | FLASH | FLASH | FLASH | — |
| Speed | — | 24 MHz | 24 MHz | 33 MHz | — |
| Supply Current-Max | — | 25 mA | 25 mA | 25 mA | — |
| Supply Voltage-Max | — | 5.5 V | 5.5 V | 5.5 V | — |
| Supply Voltage-Min | — | 5 V | 5 V | 5 V | — |
| Supply Voltage-Nom | — | 5 V | 5 V | 5 V | — |
| Surface Mount | — | YES | YES | NO | — |
| Technology | — | CMOS | CMOS | CMOS | — |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — |
| Terminal Finish | — | Matte Tin (Sn) | Matte Tin (Sn) | — | — |
| Terminal Form | — | J BEND | GULL WING | THROUGH-HOLE | — |
| Terminal Pitch | — | 1.27 mm | 0.8 mm | 2.54 mm | 0.5 mm |
| Terminal Position | — | QUAD | QUAD | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | — | 40 | 40 | — | — |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER | MICROCONTROLLER | MICROCONTROLLER | — |
| ## AT89S51-24JU Alternates Showing results | — | Image | — | — | — |
| ## AT89S51-24AU Alternates Showing results | — | — | Image | — | — |
| ## AT89S51-33PU Alternates Showing results | — | — | — | Image | — |
| Additional Feature | — | — | — | — | EASY-ON, POLARIZED |
| Board Mounting Option | — | — | — | — | FITTING NAIL |
| Body Breadth | — | — | — | — | 0.079 inch |
| Body Depth | — | — | — | — | 0.252 inch |
| Body Length | — | — | — | — | 0.437 inch |
| Connector Type | — | — | — | — | FFC/FPC CONNECTOR |
| Contact Finish Mating | — | — | — | — | NOT SPECIFIED |
| Contact Finish Termination | — | — | — | — | Gold (Au) |
| Contact Gender | — | — | — | — | FEMALE |
| Contact Material | — | — | — | — | NOT SPECIFIED |
| Contact Pattern | — | — | — | — | RECTANGULAR |
| Contact Resistance | — | — | — | — | 20 mΩ |
| Contact Style | — | — | — | — | BELLOWED TYPE |
| DIN Conformance | — | — | — | — | NO |
| Dielectric Withstanding Voltage | — | — | — | — | 250VAC V |
| Durability | — | — | — | — | 20 Cycles |
| Filter Feature | — | — | — | — | NO |
| IEC Conformance | — | — | — | — | NO |
| Insertion Force-Max | — | — | — | — | ZIF N |
| Insulation Resistance | — | — | — | — | 50000000 Ω |
| Insulator Color | — | — | — | — | WHITE |
| Insulator Material | — | — | — | — | GLASS FILLED POLYAMIDE |
| MIL Conformance | — | — | — | — | NO |
| Mating Contact Pitch | — | — | — | — | 0.02 inch |
| 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 |
| Termination Type | — | — | — | — | SURFACE MOUNT |
| Total Number of Contacts | — | — | — | — | 10 |
| UL Flammability Code | — | — | — | — | 94V-0 |
| Withdrawl Force-Min | — | — | — | — | ZIF N |
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 AT89S51-24JC — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for AT89S51-24JC 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 AT89S51-24JC 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 AT89S51-24JC?
Known equivalents for AT89S51-24JC include AT89S51-24JU, AT89S51-24AU, AT89S51-33PU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT89S51-24JC?
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 AT89S51-24JC 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.