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

Save 6% when you buy 100 units

Subtotal (1 unit)*

£6.73

(exc. VAT)

£8.08

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 26 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 24£6.73
25 - 99£6.51
100 +£6.30

*price indicative

Packaging Options:
RS Stock No.:
127-8166
Mfr. Part No.:
AT90USB646-AU
Brand:
Microchip
Find similar products by selecting one or more attributes.
Select all

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 CAN Channels

0

Number of UART Channels

1

Typical Operating Supply Voltage

2.7 → 5.5 V

Number of USART Channels

1

Maximum Operating Temperature

+85 °C

Instruction Set Architecture

RISC

Width

14mm

Number of ADC Units

1

Number of Ethernet Channels

0

Maximum Number of Ethernet Channels

0

Height

1.05mm

ADCs

8 x 10 bit

Pulse Width Modulation

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

Dimensions

14 x 14 x 1.05mm

Minimum Operating Temperature

-40 °C

Program Memory Type

Flash

Length

14mm

Related links