ATMEGA1284-AUAlternatives & Equivalent Parts
About ATMEGA1284-AU
ATMEGA1284-AU is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat 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 | ATMEGA1284-AUSource | TC2117-3.3VDBTR | ATMEGA1284-AUR | ATMEGA164A-AU | ATMEGA164PA-AU |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | SOT223 (3-Pin) | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 44 | 3 | 44 | 44 | 44 |
| Temperature Range | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $4.5700 | $0.7260 | $4.7100 | $1.0477 | $2.6747 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-44 | SOT-223-3 | TQFP-44 | TQFP-44 | TQFP-44 |
| Factory Lead Time | 6 Weeks | 11 Weeks | 6 Weeks | 4 Weeks | 6 Weeks |
| YTEOL | 14 | 8 | 13 | 14 | 14 |
| Has ADC | YES | — | YES | YES | YES |
| Additional Feature | IT ALSO OPERATES FROM 1.8V TO 5.5 V AT 4 MHZ | — | IT ALSO OPERATES FROM 1.8V TO 5.5 V AT 4 MHZ | OPERATES AT 1.8V AT 4MHz | IT ALSO OPERATES FROM 1.8V TO 5.5 V AT 4 MHZ |
| Bit Size | 8 | — | 8 | 8 | 8 |
| Boundary Scan | YES | — | YES | YES | YES |
| 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 | NO | NO |
| DMA Channels | NO | — | NO | NO | NO |
| Format | FIXED POINT | — | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | — | NO | NO | NO |
| JESD-30 Code | S-PQFP-G44 | R-PDSO-G3 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | — | YES | YES | YES |
| Number of External Interrupts | 3 | — | 3 | 3 | 3 |
| Number of I/O Lines | 32 | — | 32 | 32 | 32 |
| Number of Serial I/Os | 2 | — | 2 | 2 | 2 |
| Number of Timers | 3 | — | 3 | 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 |
| Package Equivalence Code | TQFP44,.39SQ,31 | SOT-223 | TQFP44,.39SQ,31 | TQFP44,.47SQ,32 | TQFP44,.39SQ,31 |
| Package Shape | SQUARE | RECTANGULAR | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | SMALL OUTLINE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 16384 | — | 16384 | 1024 | 1024 |
| RAM (words) | 16384 | — | 16384 | 1024 | 1024 |
| ROM (words) | 131072 | — | 131072 | 8192 | 8192 |
| ROM Programmability | FLASH | — | FLASH | FLASH | FLASH |
| Speed | 20 MHz | — | 20 MHz | 20 MHz | 20 MHz |
| Supply Current-Max | 12 mA | — | 12 mA | 12 mA | 9 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 | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 2.3 mm | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | DUAL | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 40 | 40 | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA1284-AU Alternates Showing results | Image | — | — | — | — |
| Adjustability | — | FIXED | — | — | — |
| Dropout Voltage1-Max | — | 1.3 V | — | — | — |
| Dropout Voltage1-Nom | — | 0.45 V | — | — | — |
| Input Voltage Absolute-Max | — | 6.5 V | — | — | — |
| Input Voltage-Max | — | 6 V | — | — | — |
| Input Voltage-Min | — | 4.3 V | — | — | — |
| Line Regulation-Max | — | 0.01155% | — | — | — |
| Number of Functions | — | 1 | — | — | — |
| Number of Outputs | — | 1 | — | — | — |
| Operating Temperature TJ-Max | — | 125 °C | — | — | — |
| Operating Temperature TJ-Min | — | -40 °C | — | — | — |
| Output Current1-Max | — | 0.8 A | — | — | — |
| Output Voltage1-Max | — | 3.3825 V | — | — | — |
| Output Voltage1-Min | — | 3.2175 V | — | — | — |
| Output Voltage1-Nom | — | 3.3 V | — | — | — |
| Packing Method | — | TR | — | — | — |
| Regulator Type | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — |
| Screening Level | — | TS 16949 | — | — | — |
| Voltage Tolerance-Max | — | 2.5% | — | — | — |
| ## TC2117-3.3VDBTR Alternates Showing results | — | Image | — | — | — |
| ## ATMEGA1284-AUR Alternates Showing results | — | — | Image | — | — |
| ## ATMEGA164PA-AU 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 4 alternatives for ATMEGA1284-AU — response within 24 hours.
Quick Links
suggested
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
Why Look for Alternatives?
Finding alternatives for ATMEGA1284-AU 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 ATMEGA1284-AU 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 ATMEGA1284-AU?
Known equivalents for ATMEGA1284-AU include TC2117-3.3VDBTR, ATMEGA1284-AUR, ATMEGA164A-AU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA1284-AU?
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 ATMEGA1284-AU 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.