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.
Specification Comparison
| Parameter | AT89S51-24JUSource | AT89S51-24AU | AMC3306M25DWE | P82B715D |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Texas Instruments | Texas Instruments |
| Package Type | Plastic Leaded Chip Carrier | Quad Flat Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 44 | 44 | 16 | 8 |
| Temperature Range | -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 | — | $7.7500 | $0.7236 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | — |
| Manufacturer Package Code | PLCC-44 | TQFP-44 | — | — |
| Factory Lead Time | 10 Weeks | 9 Weeks | — | — |
| YTEOL | 14 | 14 | 15 | 0 |
| Has ADC | NO | NO | — | — |
| Address Bus Width | 16 | 16 | — | — |
| Bit Size | 8 | 8 | — | — |
| Boundary Scan | NO | NO | — | — |
| CPU Family | 80C51 | 80C51 | — | — |
| Clock Frequency-Max | 33 MHz | 33 MHz | — | 0.4 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 | S-PQCC-J44 | S-PQFP-G44 | 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 | — | — |
| 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 | — | — |
| PWM Channels | NO | NO | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | LDCC44,.7SQ | TQFP44,.39SQ,31 | SOP16,.4 | — |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | CHIP CARRIER | FLATPACK, THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 245 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified |
| RAM (bytes) | 128 | 128 | — | — |
| ROM (words) | 4096 | 4096 | — | — |
| ROM Programmability | FLASH | FLASH | — | — |
| Speed | 24 MHz | 24 MHz | — | — |
| Supply Current-Max | 25 mA | 25 mA | 31 mA | — |
| Supply Voltage-Max | 5.5 V | 5.5 V | — | 12 V |
| Supply Voltage-Min | 5 V | 5 V | — | 4.5 V |
| Supply Voltage-Nom | 5 V | 5 V | 3.3 V | 5 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | CMOS | BIPOLAR | BIPOLAR |
| Temperature Grade | 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 | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 0.8 mm | 1.27 mm | 1.27 mm |
| Terminal Position | QUAD | QUAD | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 30 | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER | MICROCONTROLLER | — | MICROPROCESSOR CIRCUIT |
| ## AT89S51-24JU Alternates Showing results | Image | — | — | — |
| ## AT89S51-24AU 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.
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What is equivalent to AT89S51-24JU?
Known equivalents for AT89S51-24JU include AT89S51-24AU, AMC3306M25DWE, P82B715D. 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.