ATMEGA1284-AURAlternatives & Equivalent Parts
About ATMEGA1284-AUR
ATMEGA1284-AUR 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-AURSource | ATMEGA1284-AU | ATMEGA1281V-8AU | ATMEGA128L-8MU | TSW-103-14-L-D | LTM4644IY | ATMEGA164A-AU | ATMEGA164PA-AU |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | SAMTEC | Analog Devices | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat No-Lead | Other | BGA | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 44 | 44 | 64 | 64 | 6 | 77 | 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 | -55.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $4.7100 | $4.5700 | $9.2700 | $11.4700 | $0.1512 | $26.4359 | $1.0477 | $2.6747 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes |
| Manufacturer Package Code | TQFP-44 | TQFP-44 | TQFP-64 | VQFN-64 | — | 05-08-1900 | TQFP-44 | TQFP-44 |
| Factory Lead Time | 6 Weeks | 6 Weeks | 10 Weeks | 7 Weeks | 1 Week | — | 4 Weeks | 6 Weeks |
| YTEOL | 13 | 14 | 14 | 14 | 9.1 | 8.5 | 14 | 14 |
| Has ADC | YES | YES | 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 MINIMUM SUPPLY AT 4 MHZ | — | E.L.P. | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V | 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 | — | — | 8 | 8 |
| Boundary Scan | YES | YES | YES | YES | — | — | YES | YES |
| CPU Family | AVR RISC | AVR RISC | AVR RISC | AVR RISC | — | — | AVR RISC | AVR RISC |
| Clock Frequency-Max | 20 MHz | 20 MHz | 8 MHz | 8 MHz | — | — | 20 MHz | 20 MHz |
| DAC Channels | NO | NO | NO | NO | — | — | NO | NO |
| DMA Channels | NO | NO | NO | NO | — | — | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | — | — | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO | NO | — | — | NO | NO |
| JESD-30 Code | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G64 | S-PQCC-N64 | — | R-PBGA-B77 | S-PQFP-G44 | S-PQFP-G44 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e0 | e3 | e3 |
| Low Power Mode | YES | YES | YES | YES | — | — | YES | YES |
| Number of External Interrupts | 3 | 3 | 8 | 8 | — | — | 3 | 3 |
| Number of I/O Lines | 32 | 32 | 54 | 53 | — | — | 32 | 32 |
| Number of Serial I/Os | 2 | 2 | 2 | 2 | — | — | 2 | 2 |
| Number of Timers | 3 | 3 | 6 | 4 | — | — | 3 | 3 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | — | — | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | — | — | 16 | 16 |
| PWM Channels | YES | YES | YES | YES | — | — | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP64,.63SQ,32 | LCC64,.35SQ,20 | — | — | TQFP44,.47SQ,32 | TQFP44,.39SQ,31 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | — | RECTANGULAR | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | — | GRID ARRAY | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | — | 245 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified |
| RAM (bytes) | 16384 | 16384 | 8192 | 4096 | — | — | 1024 | 1024 |
| RAM (words) | 16384 | 16384 | — | — | — | — | 1024 | 1024 |
| ROM (words) | 131072 | 131072 | 131072 | 131072 | — | — | 8192 | 8192 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | — | — | FLASH | FLASH |
| Speed | 20 MHz | 20 MHz | 8 MHz | 8 MHz | — | — | 20 MHz | 20 MHz |
| Supply Current-Max | 12 mA | 12 mA | 14 mA | 5.5 mA | — | — | 12 mA | 9 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | 5 V | 5 V | 3 V | 3 V | — | — | 5 V | 5 V |
| Supply Voltage-Nom | 5 V | 5 V | 3 V | 3 V | — | — | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | — | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | — | HYBRID | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — | Tin/Lead (Sn63Pb37) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | NO LEAD | — | BALL | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.8 mm | 0.8 mm | 0.5 mm | 2.54 mm | 1.27 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | — | BOTTOM | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | — | — | — | 20 | 40 | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA1284-AUR Alternates Showing results | Image | — | — | — | — | — | — | — |
| ## ATMEGA1284-AU Alternates Showing results | — | Image | — | — | — | — | — | — |
| Address Bus Width | — | — | 16 | 16 | — | — | — | — |
| External Data Bus Width | — | — | 8 | 8 | — | — | — | — |
| ## ATMEGA1281V-8AU Alternates Showing results | — | — | Image | — | — | — | — | — |
| ## ATMEGA128L-8MU Alternates Showing results | — | — | — | Image | — | — | — | — |
| Body Breadth | — | — | — | — | 0.2 inch | — | — | — |
| Body Depth | — | — | — | — | 0.1 inch | — | — | — |
| Body Length | — | — | — | — | 0.3 inch | — | — | — |
| Connector Type | — | — | — | — | BOARD CONNECTOR | — | — | — |
| Contact Finish Mating | — | — | — | — | GOLD (10) OVER NICKEL (50) | — | — | — |
| Contact Finish Termination | — | — | — | — | Tin (Sn) - with Nickel (Ni) barrier | — | — | — |
| Contact Gender | — | — | — | — | MALE | — | — | — |
| Contact Material | — | — | — | — | PHOSPHOR BRONZE | — | — | — |
| Contact Pattern | — | — | — | — | RECTANGULAR | — | — | — |
| Contact Style | — | — | — | — | SQ PIN-SKT | — | — | — |
| DIN Conformance | — | — | — | — | NO | — | — | — |
| Filter Feature | — | — | — | — | NO | — | — | — |
| IEC Conformance | — | — | — | — | NO | — | — | — |
| Insulator Color | — | — | — | — | BLACK | — | — | — |
| Insulator Material | — | — | — | — | POLYBUTYLENE TEREPHTHALATE | — | — | — |
| MIL Conformance | — | — | — | — | NO | — | — | — |
| Mating Contact Pitch | — | — | — | — | 0.1 inch | — | — | — |
| Mating Contact Row Spacing | — | — | — | — | 0.1 inch | — | — | — |
| Mating Information | — | — | — | — | MULTIPLE MATING PARTS AVAILABLE | — | — | — |
| Mixed Contacts | — | — | — | — | NO | — | — | — |
| Mounting Option 1 | — | — | — | — | LOCKING | — | — | — |
| Mounting Style | — | — | — | — | STRAIGHT | — | — | — |
| Mounting Type | — | — | — | — | BOARD | — | — | — |
| Number Of Connectors | — | — | — | — | ONE | — | — | — |
| Number Of PCB Rows | — | — | — | — | 2 | — | — | — |
| Number of Rows Loaded | — | — | — | — | 2 | — | — | — |
| Option | — | — | — | — | GENERAL PURPOSE | — | — | — |
| PCB Contact Pattern | — | — | — | — | RECTANGULAR | — | — | — |
| PCB Contact Row Spacing | — | — | — | — | 2.54 mm | — | — | — |
| Plating Thickness | — | — | — | — | 10u inch | — | — | — |
| Rated Current (Signal) | — | — | — | — | 5.2 A | — | — | — |
| Reference Standard | — | — | — | — | UL | — | — | — |
| Terminal Length | — | — | — | — | 0.11 inch | — | — | — |
| Termination Type | — | — | — | — | SOLDER | — | — | — |
| Total Number of Contacts | — | — | — | — | 6 | — | — | — |
| UL Flammability Code | — | — | — | — | 94V-0 | — | — | — |
| Analog IC - Other Type | — | — | — | — | — | SWITCHING REGULATOR | — | — |
| Control Mode | — | — | — | — | — | CURRENT-MODE | — | — |
| Control Technique | — | — | — | — | — | PULSE WIDTH MODULATION | — | — |
| Input Voltage-Max | — | — | — | — | — | 14 V | — | — |
| Input Voltage-Min | — | — | — | — | — | 4 V | — | — |
| Input Voltage-Nom | — | — | — | — | — | 12 V | — | — |
| Number of Functions | — | — | — | — | — | 4 | — | — |
| Output Current-Max | — | — | — | — | — | 4 A | — | — |
| Output Voltage-Max | — | — | — | — | — | 1.523 V | — | — |
| Output Voltage-Min | — | — | — | — | — | 1.477 V | — | — |
| Output Voltage-Nom | — | — | — | — | — | 1.5 V | — | — |
| Switcher Configuration | — | — | — | — | — | BUCK | — | — |
| Switching Frequency-Max | — | — | — | — | — | 1300 kHz | — | — |
| ## LTM4644IY 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 7 alternatives for ATMEGA1284-AUR — response within 24 hours.
Quick Links
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
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RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
Why Look for Alternatives?
Finding alternatives for ATMEGA1284-AUR 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-AUR 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-AUR?
Known equivalents for ATMEGA1284-AUR include ATMEGA1284-AU, ATMEGA1281V-8AU, ATMEGA128L-8MU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA1284-AUR?
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-AUR 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.