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           Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > AT90USB646-MU

AT90USB646-MU

Part Number: AT90USB646-MU
Manufacturer: Microchip
Part Type: Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > AT90USB646-MU
Qty Available:
Description: MCU 8-Bit AT90 AVR RISC 64KB Flash 3.3V/5V 64-Pin QFN EP

04/23/2026 – There are 515 pieces pieces of Part Number AT90USB646-MU Available.

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MCU 8-Bit AT90 AVR RISC 64KB Flash 3.3V/5V 64-Pin QFN EP

Specifications

TYPE DESCRIPTION
Case/Package QFN
Contact Plating Tin
Mount Surface Mount
Number of Pins 64
Address Bus Width 8 b
Core Architecture AVR
Data Bus Width 8 b
Frequency 16 MHz
Interface 2-Wire, EBI/EMI, I2C, SPI, Serial, UART, USART, USB
Max Frequency 20 MHz
Max Operating Temperature 85 °C
Max Supply Voltage 5.5 V
Memory Size 64 kB
Memory Type FLASH
Min Operating Temperature -40 °C
Min Supply Voltage 2.7 V
Number of ADC Channels 8
Number of I2C Channels 1
Number of I/Os 48
Number of Programmable I/O 48
Number of PWM Channels 10
Number of SPI Channels 1
Number of Timers/Counters 4
Operating Supply Voltage 5 V
Oscillator Type Internal
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
RAM Size 4 kB
Schedule B 8542310000
Watchdog Timer Yes
Height 1 mm
Length 9 mm
Width 9 mm

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