AT89C51RC2-3CSUMAlternatives & Equivalent Parts
About AT89C51RC2-3CSUM
AT89C51RC2-3CSUM 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 | AT89C51RC2-3CSUMSource | AT89C51-24JI | AT25128B-SSHL-B | AT89C51RD2-RLTIM | AT89C51-24PC | AD5242BRZ1M |
|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Analog Devices |
| Package Type | Dual-In-Line Packages | Plastic Leaded Chip Carrier | Small Outline Packages | Quad Flat Packages | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 40 | 44 | 8 | 44 | 40 | 16 |
| Temperature Range | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | — | — | -40.0°C ~ 105.0°C |
| Price | $6.0100 | $3.0900 | $0.5470 | $4.8750 | $3.9150 | $1.8600 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | — | Yes | — | — | No |
| Manufacturer Package Code | PDIP-40 | — | SOIC-8 | — | — | R-16 |
| Factory Lead Time | 6 Weeks | — | 7 Weeks | — | — | — |
| YTEOL | 14 | — | 14 | — | — | 10 |
| Has ADC | NO | — | — | — | — | — |
| Address Bus Width | 16 | — | — | — | — | — |
| Bit Size | 8 | — | — | — | — | — |
| Boundary Scan | NO | — | — | — | — | — |
| CPU Family | 8051 | — | — | — | — | — |
| Clock Frequency-Max | 40 MHz | — | — | — | — | — |
| DAC Channels | NO | — | — | — | — | — |
| DMA Channels | NO | — | — | — | — | — |
| External Data Bus Width | 8 | — | — | — | — | — |
| Format | FIXED POINT | — | — | — | — | — |
| Integrated Cache | NO | — | — | — | — | — |
| JESD-30 Code | R-PDIP-T40 | — | R-PDSO-G8 | — | — | R-PDSO-G16 |
| JESD-609 Code | e3 | — | e4 | — | — | e3 |
| Low Power Mode | YES | — | — | — | — | — |
| Number of External Interrupts | 2 | — | — | — | — | — |
| Number of I/O Lines | 32 | — | — | — | — | — |
| Number of Serial I/Os | 1 | — | — | — | — | — |
| Number of Timers | 3 | — | — | — | — | — |
| On Chip Data RAM Width | 8 | — | — | — | — | — |
| On Chip Program ROM Width | 8 | — | — | — | — | — |
| PWM Channels | YES | — | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 | — | SOP8,.23 | — | — | SOP16,.25 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | — | — | RECTANGULAR |
| Package Style | IN-LINE | — | SMALL OUTLINE | — | — | SMALL OUTLINE |
| Qualification Status | Not Qualified | — | Not Qualified | — | — | Not Qualified |
| RAM (bytes) | 1280 | — | — | — | — | — |
| ROM (words) | 32768 | — | — | — | — | — |
| ROM Programmability | FLASH | — | — | — | — | — |
| Speed | 40 MHz | — | — | — | — | — |
| Supply Current-Max | 29 mA | — | 0.01 mA | — | — | — |
| Supply Voltage-Max | 5.5 V | — | — | — | — | — |
| Supply Voltage-Min | 5 V | — | — | — | — | — |
| Supply Voltage-Nom | 5 V | — | — | — | — | 2.5 V |
| Surface Mount | NO | — | YES | — | — | YES |
| Technology | CMOS | — | CMOS | — | — | — |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | — | — | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | — | GULL WING | — | — | GULL WING |
| Terminal Pitch | 2.54 mm | — | 1.27 mm | — | — | 1.27 mm |
| Terminal Position | DUAL | — | DUAL | — | — | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER | — | — | — | — | — |
| Additional Feature | — | — | ALSO OPERATES AT 2.5V TO 5.5V @10MHZ AND 1.8V TO 5.5V @5MHZ | — | — | — |
| Clock Frequency-Max (fCLK) | — | — | 20 MHz | — | — | — |
| Data Retention Time-Min | — | — | 100 | — | — | — |
| Endurance | — | — | 1000000 Write/Erase Cycles | — | — | — |
| Memory Density | — | — | 131072 bit | — | — | — |
| Memory IC Type | — | — | EEPROM | — | — | — |
| Memory Width | — | — | 8 | — | — | — |
| Number of Functions | — | — | 1 | — | — | 2 |
| Number of Ports | — | — | 1 | — | — | — |
| Number of Words | — | — | 16384 words | — | — | — |
| Number of Words Code | — | — | 16000 | — | — | — |
| Operating Mode | — | — | SYNCHRONOUS | — | — | — |
| Organization | — | — | 16KX8 | — | — | — |
| Output Characteristics | — | — | 3-STATE | — | — | — |
| Parallel/Serial | — | — | SERIAL | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | — | — | 260 |
| Programming Voltage | — | — | 5 V | — | — | — |
| Screening Level | — | — | TS 16949 | — | — | — |
| Serial Bus Type | — | — | SPI | — | — | — |
| Standby Current-Max | — | — | 0.000005 A | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 4.5 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 5 V | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 40 | — | — | 30 |
| Write Cycle Time-Max (tWC) | — | — | 5 ms | — | — | — |
| Write Protection | — | — | HARDWARE/SOFTWARE | — | — | — |
| ## AT25128B-SSHL-B Alternates Showing results | — | — | Image | — | — | — |
| Bandwidth-Nom | — | — | — | — | — | 0.006 kHz |
| Control Interface | — | — | — | — | — | 2-WIRE SERIAL |
| Converter Type | — | — | — | — | — | DIGITAL POTENTIOMETER |
| Negative Supply Voltage-Nom | — | — | — | — | — | -2.5 V |
| Number of Positions | — | — | — | — | — | 256 |
| Resistance Law | — | — | — | — | — | LINEAR |
| Resistance Tolerance-Max | — | — | — | — | — | 50% |
| Resistor Terminal Voltage-Max | — | — | — | — | — | 2.7 V |
| Resistor Terminal Voltage-Min | — | — | — | — | — | -2.3 V |
| Temperature Coefficient-Nom | — | — | — | — | — | 30 ppm/°C |
| Total Resistance-Nom | — | — | — | — | — | 1000000 Ω |
| ## AD5242BRZ1M 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 5 alternatives for AT89C51RC2-3CSUM — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for AT89C51RC2-3CSUM 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 AT89C51RC2-3CSUM 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 AT89C51RC2-3CSUM?
Known equivalents for AT89C51RC2-3CSUM include AT89C51-24JI, AT25128B-SSHL-B, AT89C51RD2-RLTIM. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT89C51RC2-3CSUM?
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 AT89C51RC2-3CSUM 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.