ATMEGA164P-20AUAlternatives & Equivalent Parts
About ATMEGA164P-20AU
ATMEGA164P-20AU 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.
Specification Comparison
| Parameter | ATMEGA164P-20AUSource | ATTINY24-20SSU | ATTINY841-SSU |
|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 44 | 14 | 14 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.3889 | $1.4745 | — |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-44 | SOIC-14 | SOIC-14 |
| Factory Lead Time | 10 Weeks | 6 Weeks | 7 Weeks |
| YTEOL | 14 | 14 | 13 |
| Has ADC | YES | YES | YES |
| Additional Feature | IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V | OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ | — |
| Bit Size | 8 | 8 | 8 |
| Boundary Scan | YES | NO | NO |
| CPU Family | AVR RISC | AVR RISC | AVR RISC |
| Clock Frequency-Max | 8.1 MHz | 20 MHz | 12 MHz |
| DAC Channels | NO | NO | NO |
| DMA Channels | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO |
| JESD-30 Code | S-PQFP-G44 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 Code | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES |
| Number of External Interrupts | 3 | 13 | 1 |
| Number of I/O Lines | 32 | 12 | 12 |
| Number of Serial I/Os | 2 | — | 2 |
| Number of Timers | 3 | 2 | 3 |
| On Chip Data RAM Width | 8 | 8 | 8 |
| On Chip Program ROM Width | 16 | 8 | 16 |
| PWM Channels | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.47SQ,32 | SOP14,.25 | SOP14,.25 |
| Package Shape | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | FLATPACK, THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 1024 | 128 | 512 |
| ROM (words) | 8192 | 2048 | 4096 |
| ROM Programmability | FLASH | FLASH | FLASH |
| Speed | 20 MHz | 20 MHz | 16 MHz |
| Supply Current-Max | 9 mA | 9 mA | 6 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 5 V | 5 V | 5 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 1.27 mm | 1.27 mm |
| Terminal Position | QUAD | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA164P-20AU Alternates Showing results | Image | — | — |
| ## ATTINY24-20SSU Alternates Showing results | — | Image | — |
| ## ATTINY841-SSU Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for ATMEGA164P-20AU 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 ATMEGA164P-20AU 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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Request Alternatives for ATMEGA164P-20AUFAQ
What is equivalent to ATMEGA164P-20AU?
Known equivalents for ATMEGA164P-20AU include ATTINY24-20SSU, ATTINY841-SSU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA164P-20AU?
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 ATMEGA164P-20AU 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.