ATTINY45-20SURAlternatives & Equivalent Parts
About ATTINY45-20SUR
ATTINY45-20SUR is a Integrated Circuit component manufactured by Microchip. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering all 8 alternatives for ATTINY45-20SUR — response within 24 hours.
Specification Comparison
| Parameter | ATTINY45-20SURSource | ATTINY45-20SU | T491A105K025AT | P6KE33CA | 1792096 | IRF3205PBF | 1727793 | ATTINY412-SSN | ATTINY412-SSNR |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Kemet | STMicroelectronics | Phoenix Contact | Infineon | Phoenix Contact | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Other | Diodes, Axial Diameter Horizontal Mounting | Other | Transistor Outline, Vertical | Other | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 2 | 2 | 2 | 3 | 24 | 8 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -55.0°C ~ 175.0°C | — | -55.0°C ~ 175.0°C | — | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C |
| Price | $0.8664 | $0.8920 | $0.0867 | $0.0585 | — | $0.4320 | $18.4800 | $0.1800 | $0.4512 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | END OF LIFE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | Yes | — | — | — | — | Yes | — | — |
| Manufacturer Package Code | SOIJ-8 | SOIJ-8 | — | — | — | — | — | SOIC-8 | SOIC-8 |
| Factory Lead Time | 6 Weeks | 6 Weeks | — | 25 Weeks | — | — | — | 10 Weeks | 10 Weeks |
| YTEOL | 14 | 14 | — | 1 | 0 | 5.1 | 6.58 | 18 | 18 |
| Has ADC | YES | YES | — | — | — | — | — | YES | YES |
| Additional Feature | OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ | OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ | — | UL RECOGNIZED | STANDARD: UL 94V-0, POLYAMIDE | AVALANCHE RATED, HIGH RELIABILITY, ULTRA-LOW RESISTANCE | STANDARD: UL 94V-0, PA | ALSO OPERATES AT 1.8V MINIMUME SUPPLY AT 5MHZ AND 2.7V MINIMUM SUPPLY AT 10 MHZ | ALSO OPERATES AT 1.8V MINIMUME SUPPLY AT 5MHZ AND 2.7V MINIMUM SUPPLY AT 10 MHZ |
| Bit Size | 8 | 8 | — | — | — | — | — | 8 | 8 |
| Boundary Scan | NO | NO | — | — | — | — | — | NO | NO |
| CPU Family | AVR RISC | AVR RISC | — | — | — | — | — | AVR RISC | AVR RISC |
| Clock Frequency-Max | 20 MHz | 20 MHz | — | — | — | — | — | 20 MHz | 20 MHz |
| DAC Channels | NO | NO | — | — | — | — | — | YES | YES |
| DMA Channels | NO | NO | — | — | — | — | — | NO | NO |
| Format | FIXED POINT | FIXED POINT | — | — | — | — | — | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | — | — | — | — | — | NO | NO |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | — | O-PALF-W2 | — | R-PSFM-T3 | — | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e3 | — | e3 | — | e3 | — | e3 | e3 |
| Low Power Mode | YES | YES | — | — | — | — | — | YES | YES |
| Number of External Interrupts | 1 | 1 | — | — | — | — | — | 6 | 6 |
| Number of I/O Lines | 6 | 6 | — | — | — | — | — | 6 | 6 |
| Number of Timers | 2 | 2 | — | — | — | — | — | 3 | 3 |
| On Chip Data RAM Width | 8 | 8 | — | — | — | — | — | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | — | — | — | — | — | 16 | 16 |
| PWM Channels | YES | YES | — | — | — | — | — | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.3 | SOP8,.3 | — | — | — | — | — | SOP8,.23 | SOP8,.23 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | ROUND | — | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | — | LONG FORM | — | FLANGE MOUNT | — | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — | — | — | — | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | — | — | — |
| RAM (bytes) | 256 | 256 | — | — | — | — | — | 256 | 256 |
| ROM (words) | 4096 | 4096 | — | — | — | — | — | 2048 | 2048 |
| ROM Programmability | FLASH | FLASH | — | — | — | — | — | FLASH | FLASH |
| Speed | 20 MHz | 20 MHz | — | — | — | — | — | 20 MHz | 20 MHz |
| Supply Current-Max | 8 mA | 8 mA | — | — | — | — | — | 200 mA | 200 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | — | — | — | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | 5 V | 5 V | — | — | — | — | — | 5 V | 5 V |
| Supply Voltage-Nom | 5 V | 5 V | — | — | — | — | — | 5 V | 5 V |
| Surface Mount | YES | YES | — | NO | — | NO | — | YES | YES |
| Technology | CMOS | CMOS | — | AVALANCHE | — | — | — | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | — | — | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) | — | Matte Tin (Sn) - with Nickel (Ni) barrier | — | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | — | WIRE | — | THROUGH-HOLE | — | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | — | — | — | — | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | — | AXIAL | — | SINGLE | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | — | — | — | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATTINY45-20SUR Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Breakdown Voltage-Max | — | — | — | 34.7 V | — | — | — | — | — |
| Breakdown Voltage-Min | — | — | — | 31.4 V | — | — | — | — | — |
| Breakdown Voltage-Nom | — | — | — | 33 V | — | — | — | — | — |
| Case Connection | — | — | — | ISOLATED | — | DRAIN | — | — | — |
| Clamping Voltage-Max | — | — | — | 59 V | — | — | — | — | — |
| Configuration | — | — | — | SINGLE, 1 CHANNEL | — | SINGLE WITH BUILT-IN DIODE | — | — | — |
| Diode Capacitance-Min | — | — | — | 500 pF | — | — | — | — | — |
| Diode Element Material | — | — | — | SILICON | — | — | — | — | — |
| Diode Type | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — | — | — | — | — |
| JEDEC-95 Code | — | — | — | DO-204AC | — | TO-220AB | — | — | — |
| Non-rep Peak Rev Power Dis-Max | — | — | — | 600 W | — | — | — | — | — |
| Number of Elements | — | — | — | 1 | — | 1 | — | — | — |
| Polarity | — | — | — | BIDIRECTIONAL | — | — | — | — | — |
| Power Dissipation-Max | — | — | — | 5 W | — | — | — | — | — |
| Reference Standard | — | — | — | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | — | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 28.2 V | — | — | — | — | — |
| Reverse Current-Max | — | — | — | 0.5 µA | — | — | — | — | — |
| Reverse Test Voltage | — | — | — | 28.2 V | — | — | — | — | — |
| ## P6KE33CA Alternates Showing results | — | — | — | Image | — | — | — | — | — |
| Fastening Method | — | — | — | — | PUSH-IN | — | SCREW | — | — |
| Mounting Type | — | — | — | — | BOARD | — | BOARD | — | — |
| Number of Decks | — | — | — | — | 1 | — | 3 | — | — |
| Number of Rows | — | — | — | — | 1 | — | 1 | — | — |
| Number of Ways | — | — | — | — | 1 | — | 8 | — | — |
| Rated Current | — | — | — | — | 41 A | — | 8 A | — | — |
| Rated Voltage | — | — | — | — | 1000 V | — | 160 V | — | — |
| Safety Approval | — | — | — | — | UL | — | CB; CSA; CUL; EAC; SEV; UL | — | — |
| Terminal and Terminal Block Type | — | — | — | — | BARRIER STRIP TERMINAL BLOCK | — | BARRIER STRIP TERMINAL BLOCK | — | — |
| Wire Cross Section | — | — | — | — | 6 mm2 | — | 1 mm2 | — | — |
| Wire Gauge | — | — | — | — | 10 AWG | — | 16 AWG | — | — |
| Avalanche Energy Rating (Eas) | — | — | — | — | — | 264 mJ | — | — | — |
| DS Breakdown Voltage-Min | — | — | — | — | — | 55 V | — | — | — |
| Drain Current-Max (ID) | — | — | — | — | — | 75 A | — | — | — |
| Drain-source On Resistance-Max | — | — | — | — | — | 0.008 Ω | — | — | — |
| FET Technology | — | — | — | — | — | METAL-OXIDE SEMICONDUCTOR | — | — | — |
| Operating Mode | — | — | — | — | — | ENHANCEMENT MODE | — | — | — |
| Polarity/Channel Type | — | — | — | — | — | N-CHANNEL | — | — | — |
| Power Dissipation-Max (Abs) | — | — | — | — | — | 200 W | — | — | — |
| Pulsed Drain Current-Max (IDM) | — | — | — | — | — | 390 A | — | — | — |
| Transistor Application | — | — | — | — | — | SWITCHING | — | — | — |
| Transistor Element Material | — | — | — | — | — | SILICON | — | — | — |
| Date Of Intro | — | — | — | — | — | — | — | 2019-07-03 | 2017-07-13 |
| Number of Serial I/Os | — | — | — | — | — | — | — | 1 | 1 |
| RAM (words) | — | — | — | — | — | — | — | 256 | 256 |
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 8 alternatives for ATTINY45-20SUR — response within 24 hours.
Quick Links
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDSO8
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDSO8
Why Look for Alternatives?
Finding alternatives for ATTINY45-20SUR 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 ATTINY45-20SUR 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for ATTINY45-20SUR. Get expert recommendations within 24 hours.
FAQ
What is equivalent to ATTINY45-20SUR?
Known equivalents for ATTINY45-20SUR include ATTINY45-20SU, T491A105K025AT, P6KE33CA. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATTINY45-20SUR?
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 ATTINY45-20SUR 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.