ATMEGA16U4-AUAlternatives & Equivalent Parts
About ATMEGA16U4-AU
ATMEGA16U4-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 | ATMEGA16U4-AUSource | S1A-E3/61T | ADM7170ACPZ-2.5-R7 | ZXGD3004E6TA |
|---|---|---|---|---|
| Manufacturer | Microchip | Vishay | Analog Devices | Diodes Inc. |
| Package Type | Quad Flat Packages | Diodes Moulded | Small Outline No-lead | SOT23 (6-Pin) |
| Pin Count | 44 | 2 | 8 | 6 |
| Temperature Range | -40.0°C ~ 85.0°C | -55.0°C ~ 150.0°C | — | — |
| Price | $3.5600 | $0.0161 | $1.3000 | $0.3799 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | No | Yes |
| Manufacturer Package Code | TQFP-44 | — | CP-8-21 | — |
| Factory Lead Time | 6 Weeks | 5 Weeks | — | 12 Weeks |
| YTEOL | 14 | 6.07 | 10 | 6 |
| Has ADC | YES | — | — | — |
| Additional Feature | OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHz | LOW LEAKAGE CURRENT | — | — |
| Bit Size | 8 | — | — | — |
| Boundary Scan | YES | — | — | — |
| CPU Family | AVR RISC | — | — | — |
| Clock Frequency-Max | 16 MHz | — | — | — |
| DAC Channels | NO | — | — | — |
| DMA Channels | NO | — | — | — |
| Format | FIXED POINT | — | — | — |
| Integrated Cache | NO | — | — | — |
| JESD-30 Code | S-PQFP-G44 | R-PDSO-C2 | S-PDSO-N8 | R-PDSO-G6 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | — | — | — |
| Number of I/O Lines | 26 | — | — | — |
| Number of Serial I/Os | 1 | — | — | — |
| Number of Timers | 4 | — | — | — |
| On Chip Data RAM Width | 8 | — | — | — |
| On Chip Program ROM Width | 8 | — | — | — |
| PWM Channels | YES | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 | — | SOLCC8,.12,20 | TSOP6,.11,37 |
| Package Shape | SQUARE | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | FLATPACK, THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified |
| RAM (bytes) | 2560 | — | — | — |
| ROM (words) | 16384 | — | — | — |
| ROM Programmability | FLASH | — | — | — |
| Speed | 16 MHz | — | — | — |
| Supply Voltage-Max | 5.5 V | — | — | 40 V |
| Supply Voltage-Min | 5 V | — | — | — |
| Supply Voltage-Nom | 5 V | — | — | 15 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | — | CMOS | — |
| Temperature Grade | INDUSTRIAL | — | — | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | C BEND | NO LEAD | GULL WING |
| Terminal Pitch | 0.8 mm | — | 0.5 mm | 0.95 mm |
| Terminal Position | QUAD | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 30 | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | — | — | — |
| ## ATMEGA16U4-AU Alternates Showing results | Image | — | — | — |
| Application | — | GENERAL PURPOSE | — | — |
| Configuration | — | SINGLE | — | — |
| Diode Element Material | — | SILICON | — | — |
| Diode Type | — | RECTIFIER DIODE | — | — |
| Forward Voltage-Max (VF) | — | 1.1 V | — | — |
| JEDEC-95 Code | — | DO-214AC | — | — |
| Non-rep Pk Forward Current-Max | — | 40 A | — | — |
| Number of Elements | — | 1 | — | — |
| Number of Phases | — | 1 | — | — |
| Output Current-Max | — | 1 A | — | — |
| Rep Pk Reverse Voltage-Max | — | 50 V | — | — |
| Reverse Recovery Time-Max | — | 1.8 µs | — | — |
| Adjustability | — | — | FIXED | — |
| Dropout Voltage1-Max | — | — | 0.5 V | — |
| Dropout Voltage1-Nom | — | — | 0.5 V | — |
| Input Voltage Absolute-Max | — | — | 7 V | — |
| Input Voltage-Max | — | — | 6.5 V | — |
| Input Voltage-Min | — | — | 2.3 V | — |
| Line Regulation-Max | — | — | 0.00875% | — |
| Load Regulation-Max | — | — | 0.0074985% | — |
| Number of Functions | — | — | 1 | 1 |
| Number of Outputs | — | — | 1 | — |
| Operating Temperature TJ-Max | — | — | 125 °C | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — |
| Output Current1-Max | — | — | 0.5 A | — |
| Output Voltage1-Max | — | — | 2.5313 V | — |
| Output Voltage1-Min | — | — | 2.4688 V | — |
| Output Voltage1-Nom | — | — | 2.5 V | — |
| Packing Method | — | — | TR, 7 INCH | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Voltage Tolerance-Max | — | — | 1.2% | — |
| High Side Driver | — | — | — | NO |
| Interface IC Type | — | — | — | BUFFER OR INVERTER BASED MOSFET DRIVER |
| Output Peak Current Limit-Nom | — | — | — | 8 A |
| Turn-off Time | — | — | — | 0.036 µs |
| Turn-on Time | — | — | — | 0.032 µs |
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 3 alternatives for ATMEGA16U4-AU — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for ATMEGA16U4-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 ATMEGA16U4-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 ATMEGA16U4-AU?
Known equivalents for ATMEGA16U4-AU include S1A-E3/61T, ADM7170ACPZ-2.5-R7, ZXGD3004E6TA. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA16U4-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 ATMEGA16U4-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.