AT89C2051-12PUAlternatives & Equivalent Parts
About AT89C2051-12PU
AT89C2051-12PU 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 | AT89C2051-12PUSource | LM7812CT |
|---|---|---|
| Manufacturer | Microchip | Texas Instruments |
| Package Type | Dual-In-Line Packages | Transistor Outline, Vertical |
| Pin Count | 20 | 3 |
| Temperature Range | -40.0°C ~ 85.0°C | — |
| Price | $1.3395 | $0.1470 |
| Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE |
| Electrical Parameters | ||
| Pbfree Code | Yes | No |
| Manufacturer Package Code | PDIP-20 | — |
| Factory Lead Time | 6 Weeks | — |
| YTEOL | 14 | 0 |
| Has ADC | NO | — |
| Bit Size | 8 | — |
| Boundary Scan | NO | — |
| CPU Family | 8051 | — |
| Clock Frequency-Max | 12 MHz | — |
| DAC Channels | NO | — |
| DMA Channels | NO | — |
| Format | FIXED POINT | — |
| Integrated Cache | NO | — |
| JESD-30 Code | R-PDIP-T20 | R-PSFM-T3 |
| JESD-609 Code | e3 | e0 |
| Low Power Mode | YES | — |
| Number of External Interrupts | 2 | — |
| Number of I/O Lines | 15 | — |
| Number of Serial I/Os | 1 | — |
| Number of Timers | 2 | — |
| On Chip Data RAM Width | 8 | — |
| On Chip Program ROM Width | 8 | — |
| PWM Channels | NO | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 | SIP3,.1TB |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | FLANGE MOUNT |
| Qualification Status | Not Qualified | Not Qualified |
| RAM (bytes) | 128 | — |
| ROM (words) | 2048 | — |
| ROM Programmability | FLASH | — |
| Speed | 12 MHz | — |
| Supply Current-Max | 15 mA | — |
| Supply Voltage-Max | 6 V | — |
| Supply Voltage-Min | 3 V | — |
| Supply Voltage-Nom | 3 V | — |
| Surface Mount | NO | NO |
| Technology | CMOS | BIPOLAR |
| Temperature Grade | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) | TIN LEAD |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | SINGLE |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER | — |
| ## AT89C2051-12PU Alternates Showing results | Image | — |
| Adjustability | — | FIXED |
| Dropout Voltage1-Nom | — | 2 V |
| Input Voltage Absolute-Max | — | 35 V |
| Input Voltage-Max | — | 27 V |
| Input Voltage-Min | — | 14.5 V |
| Line Regulation-Max | — | 0.12% |
| Load Regulation-Max | — | 0.12% |
| Number of Functions | — | 1 |
| Number of Outputs | — | 1 |
| Operating Temperature TJ-Max | — | 125 °C |
| Output Current1-Max | — | 1 A |
| Output Voltage1-Max | — | 12.6 V |
| Output Voltage1-Min | — | 11.4 V |
| Output Voltage1-Nom | — | 12 V |
| Packing Method | — | TUBE |
| Regulator Type | — | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Voltage Tolerance-Max | — | 5% |
| ## LM7812CT Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for AT89C2051-12PU 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 AT89C2051-12PU 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 AT89C2051-12PU?
Known equivalents for AT89C2051-12PU include LM7812CT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT89C2051-12PU?
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 AT89C2051-12PU 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.