Microchip, 8bit AVR, AT90 Microcontroller, 16MHz, 64 kB Flash, 64-Pin TQFP

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Subtotal 25 units (supplied in a tray)*

£145.75

(exc. VAT)

£175.00

(inc. VAT)

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  • 999,999,999 unit(s) shipping from 25 December 2025
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Units
Per unit
25 - 99£5.83
100 +£5.63

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Packaging Options:
RS Stock No.:
127-8166P
Mfr. Part No.:
AT90USB646-AU
Brand:
Microchip
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Brand

Microchip

Family Name

AT90

Package Type

TQFP

Mounting Type

Surface Mount

Pin Count

64

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

16MHz

RAM Size

4 kB

USB Channels

1

Number of PWM Units

2 x 8/16 bit

Number of SPI Channels

2

Number of I2C Channels

1

Number of USART Channels

1

Number of UART Channels

1

Number of CAN Channels

0

Typical Operating Supply Voltage

2.7 → 5.5 V

Program Memory Type

Flash

Maximum Operating Temperature

+85 °C

Number of ADC Units

1

Length

14mm

ADCs

8 x 10 bit

Maximum Number of Ethernet Channels

0

Instruction Set Architecture

RISC

Minimum Operating Temperature

-40 °C

Number of Ethernet Channels

0

Height

1.05mm

Width

14mm

Dimensions

14 x 14 x 1.05mm

Pulse Width Modulation

1 (4 x 8 bit), 1 (6 x 16 bit)

8-Bit megaAVR Microcontrollers with USB Controller, Atmel


These megaAVR® microcontrollers feature a USB controller and offer substantial program and data memories with performance up to 20 MIPS. All megaAVR offer self-programmability for fast, secure, cost-effective in-circuit upgrades.