AT89S51-24JUAlternatives & Equivalent Parts
About AT89S51-24JU
AT89S51-24JU 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 | AT89S51-24JUSource | AT89S51-24JC | AT89S51-24AU | AT89S51-33PU | AMC3306M25DWE | P82B715D |
|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Texas Instruments | Texas Instruments |
| Package Type | Plastic Leaded Chip Carrier | Plastic Leaded Chip Carrier | Quad Flat Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 44 | 44 | 44 | 40 | 16 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $1.0700 | $2.1500 | $1.6200 | — | $7.7500 | $0.7236 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| 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 | 15 | 0 |
| 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 | — | 0.4 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 | R-PDSO-G16 | R-PDSO-G8 |
| JESD-609 Code | e3 | — | e3 | — | e4 | 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 | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | LDCC44,.7SQ | — | TQFP44,.39SQ,31 | DIP40,.6 | SOP16,.4 | — |
| Package Shape | SQUARE | — | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | CHIP CARRIER | — | FLATPACK, THIN PROFILE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 245 | — | 260 | — | 260 | 260 |
| Qualification Status | Not Qualified | — | 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 | 31 mA | — |
| Supply Voltage-Max | 5.5 V | — | 5.5 V | 5.5 V | — | 12 V |
| Supply Voltage-Min | 5 V | — | 5 V | 5 V | — | 4.5 V |
| Supply Voltage-Nom | 5 V | — | 5 V | 5 V | 3.3 V | 5 V |
| Surface Mount | YES | — | YES | NO | YES | YES |
| Technology | CMOS | — | CMOS | CMOS | BIPOLAR | BIPOLAR |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | — | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | J BEND | — | GULL WING | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | — | 0.8 mm | 2.54 mm | 1.27 mm | 1.27 mm |
| Terminal Position | QUAD | — | QUAD | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | 40 | — | 30 | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER | — | MICROCONTROLLER | MICROCONTROLLER | — | MICROPROCESSOR CIRCUIT |
| ## AT89S51-24JU Alternates Showing results | Image | — | — | — | — | — |
| ## AT89S51-24AU Alternates Showing results | — | — | Image | — | — | — |
| ## AT89S51-33PU Alternates Showing results | — | — | — | Image | — | — |
| Date Of Intro | — | — | — | — | 2020-07-18 | — |
| Additional Feature | — | — | — | — | Peak-to-peak input voltage range(V) : 250mV | VCCB(Min)(V) is 3, VCCB(Max)(V) is 12 |
| Analog Input Voltage-Max | — | — | — | — | 0.25 V | — |
| Analog Input Voltage-Min | — | — | — | — | -0.25 V | — |
| Converter Type | — | — | — | — | ADC, DELTA-SIGMA | — |
| Linearity Error-Max (EL) | — | — | — | — | 0.006103515% | — |
| Number of Analog In Channels | — | — | — | — | 1 | — |
| Number of Bits | — | — | — | — | 16 | — |
| Number of Functions | — | — | — | — | 1 | — |
| Output Bit Code | — | — | — | — | BINARY | — |
| Output Format | — | — | — | — | SERIAL | — |
| Sample Rate | — | — | — | — | 21 MHz | — |
| Bus Compatibility | — | — | — | — | — | I2C |
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 5 alternatives for AT89S51-24JU — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for AT89S51-24JU 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 AT89S51-24JU 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 AT89S51-24JU?
Known equivalents for AT89S51-24JU include AT89S51-24JC, 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 AT89S51-24JU?
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 AT89S51-24JU 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.