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Microchip Technology ATMEGA128-16ANR Microcontrollers

IC MCU 8BIT 128KB FLASH 64TQFP

2,000 ActiveMicrochip TechnologyATMEGA12864-TQFP$38.22
ATMEGA128-16ANR 64-TQFP package illustration

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

ATMEGA128-16ANR
Part Number (MPN)
ATMEGA128-16ANR
Base Model
Detailed Description
IC MCU 8BIT 128KB FLASH 64TQFP
Package
64-TQFP
Key Features
Package: 64-TQFP
Lifecycle Status
Active
Datasheet
PDF ATMEGA128-16ANR Datasheet
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Ordering Code Family

ATMEGA128 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.

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Technical Specifications

Microchip Technology ATMEGA128-16ANR Microcontrollers technical specifications.

General

RAM Size
4K x 8
RoHS
Yes
Package / Case
64-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Active
Package
64-TQFP
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
53

Related Parts Comparison (ATMEGA128-16ANR vs ATMEGA1284-MUR vs ATMEGA1280-16AUR vs ATMEGA1280V-8AUR)

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
Package / Case64-TQFP44-VFQFN Exposed Pad100-TQFP100-TQFP
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 105°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage4.5V ~ 5.5V1.8V ~ 5.5V2.7V ~ 5.5V1.8V ~ 5.5V
Core ProcessorAVRAVRAVRAVR
Core Size8-Bit8-Bit8-Bit8-Bit
RAM Size4K x 816K x 88K x 88K x 8
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
ConnectivityEBI/EMI, I²C, SPI, UART/USARTI²C, SPI, UART/USARTEBI/EMI, I²C, SPI, UART/USARTEBI/EMI, I²C, SPI, UART/USART
Data ConvertersA/D 8x10bA/D 8x10bA/D 16x10bA/D 16x10b
EEPROM Size4K x 84K x 84K x 84K x 8
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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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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.