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Microchip Technology ATMEGA4808-AU Microcontrollers

48KB 1.8V~5.5V AVR 20MHz 27 TQFP-32(7x7) Microcontroller Units (MCUs/MPUs/SOCs)

36 ActiveMicrochip TechnologymegaAVR® 0, Functional Safety (FuSa)ATMEGA480832-TQFP$3.83
ATMEGA4808-AU 32-TQFP package illustration

Same model may have multiple batches, images only for reference.

ATMEGA4808-AU
Part Number (MPN)
ATMEGA4808-AU
Base Model
Detailed Description
48KB 1.8V~5.5V AVR 20MHz 27 TQFP-32(7x7) Microcontroller Units (MCUs/MPUs/SOCs)
Package
32-TQFP
Key Features
Package: 32-TQFP
Lifecycle Status
Active
Datasheet
PDF ATMEGA4808-AU Datasheet
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Ordering Code Family

ATMEGA4808 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

4 ordering variants listed on the family page.

View all variants

Technical Specifications

Microchip Technology ATMEGA4808-AU Microcontrollers technical specifications.

General

Series
megaAVR® 0, Functional Safety (FuSa)
RAM Size
6K x 8
RoHS
Yes
Number of Pins
32
Package / Case
32-TQFP
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Package
32-TQFP
Peripherals
Brown-out Detect/Reset, POR, WDT

Related Parts Comparison (ATMEGA4808-AU vs ATMEGA4808 vs ATMEGA4808-MF vs ATMEGA4808-MU)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Lifecycle StatusActiveIn ProductionActiveActive
Package / Case32-TQFP--32-VFQFN Exposed Pad32-VFQFN Exposed Pad
Operating Temperature-40°C ~ 85°C (TA)---40°C ~ 125°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.8V ~ 5.5V--1.8V ~ 5.5V1.8V ~ 5.5V
Core ProcessorAVR--AVRAVR
Core Size8-Bit--8-Bit8-Bit
RAM Size6K x 8--6K x 86K x 8
ConnectivityI²C, SPI, UART/USART--I²C, SPI, UART/USARTI²C, SPI, UART/USART
Data ConvertersA/D 12x10b--A/D 12x10bA/D 12x10b
EEPROM Size256 x 8--256 x 8256 x 8
Number of I/O27--2727
Oscillator TypeInternal--InternalInternal
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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