ATMEGA4809-AUAlternatives & Equivalent Parts

About ATMEGA4809-AU

ATMEGA4809-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

ParameterATMEGA4809-AUSourceATMEGA4809-AF25PK1000MEFC10X161N4148WQ-7-FATMEGA4809-AUR
ManufacturerMicrochipMicrochipRubyconDiodes Inc.Microchip
Package TypeQuad Flat PackagesQuad Flat PackagesCapacitor, Polarized Radial DiameterSmall Outline DiodeQuad Flat Packages
Pin Count48482248
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-55.0°C ~ 150.0°C-40.0°C ~ 85.0°C
Price$1.3700$1.5200$0.1716$0.0117$1.3400
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Manufacturer Package CodeTQFP-48TQFP-48——TQFP-48
Factory Lead Time8 Weeks8 Weeks—12 Weeks7 Weeks
Date Of Intro2019-08-072019-03-27——2019-08-07
YTEOL181866.118
Has ADCYESYES——YES
Additional FeatureALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 5MHZALSO OPERATES AT 2.7V SUPPLY @ 8MHZ—HIGH RELIABILITYALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 5MHZ
Bit Size88——8
Boundary ScanNOYES——NO
CPU FamilyAVR RISCAVR RISC——AVR RISC
Clock Frequency-Max20 MHz20 MHz——20 MHz
DAC ChannelsNONO——NO
DMA ChannelsNONO——NO
FormatFIXED POINTFIXED POINT——FIXED POINT
Integrated CacheNONO——NO
JESD-30 CodeS-PQFP-G48S-PQFP-G48—R-PDSO-G2S-PQFP-G48
JESD-609 Codee3e3—e3e3
Low Power ModeYESYES——YES
Number of External Interrupts1010——10
Number of I/O Lines4141——41
Number of Serial I/Os44——4
Number of Timers55——5
On Chip Data RAM Width88——8
On Chip Program ROM Width88——8
PWM ChannelsNONO——NO
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTQFP48,.35SQTQFP48,.35SQ——TQFP48,.35SQ
Package ShapeSQUARESQUARE—RECTANGULARSQUARE
Package StyleFLATPACK, THIN PROFILE, FINE PITCHFLATPACK, THIN PROFILE, FINE PITCHRadialSMALL OUTLINEFLATPACK, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)260260—260260
RAM (bytes)61446144——6144
RAM (words)512512——512
ROM (words)4915249152——49152
ROM ProgrammabilityFLASHFLASH——FLASH
Speed20 MHz16 MHz——20 MHz
Supply Voltage-Max5.5 V5.5 V——5.5 V
Supply Voltage-Min5 V4.5 V——5 V
Supply Voltage-Nom5 V5 V——5 V
Surface MountYESYESNOYESYES
TechnologyCMOSCMOS——CMOS
Temperature GradeINDUSTRIALAUTOMOTIVE——INDUSTRIAL
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)—MATTE TINMatte Tin (Sn)
Terminal FormGULL WINGGULL WING—GULL WINGGULL WING
Terminal Pitch0.5 mm0.5 mm5 mm—0.5 mm
Terminal PositionQUADQUAD—DUALQUAD
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISCMICROCONTROLLER, RISC——MICROCONTROLLER, RISC
## ATMEGA4809-AU Alternates Showing resultsImage————
Screening Level—AEC-Q100———
## ATMEGA4809-AF Alternates Showing results—Image———
Reach Compliance Code——Compliant——
Capacitance——1000 µF——
Capacitor Type——ALUMINUM ELECTROLYTIC CAPACITOR——
Diameter——10 mm——
Dielectric Material——ALUMINUM (WET)——
Leakage Current——0.25 mA——
Mounting Feature——THROUGH HOLE MOUNT——
Negative Tolerance——20%——
Packing Method——BULK——
Polarity——POLARIZED——
Positive Tolerance——20%——
Rated (DC) Voltage (URdc)——25 V——
Ripple Current——870 mA——
Tan Delta——0.16——
Terminal Shape——WIRE——
Pbfree Code———Yes—
Application———FAST RECOVERY—
Breakdown Voltage-Min———100 V—
Configuration———SINGLE—
Diode Element Material———SILICON—
Diode Type———RECTIFIER DIODE—
Forward Voltage-Max (VF)———1.25 V—
Non-rep Pk Forward Current-Max———2 A—
Number of Elements———1—
Number of Phases———1—
Output Current-Max———0.3 A—
Power Dissipation-Max———0.4 W—
Reference Standard———AEC-Q101—
Rep Pk Reverse Voltage-Max———100 V—
Reverse Current-Max———1 µA—
Reverse Recovery Time-Max———0.004 µs—
Reverse Test Voltage———75 V—
Time@Peak Reflow Temperature-Max (s)———30—
## ATMEGA4809-AUR Alternates Showing results————Image

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Quick Links

ATMEGA4809-AFby Microchip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP48

ATMEGA4809-AURby Microchip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP48

Why Look for Alternatives?

Finding alternatives for ATMEGA4809-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 ATMEGA4809-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 ATMEGA4809-AU?

Known equivalents for ATMEGA4809-AU include ATMEGA4809-AF, 25PK1000MEFC10X16, 1N4148WQ-7-F. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ATMEGA4809-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 ATMEGA4809-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.