Datasheet

3. Ordering Information
Speed [MHz] Power Supply [V] Ordering Code
(2)
Package
(1)
Operational Range
20 1.8 - 5.5 ATmega328PB-AU
ATmega328PB-AUR
(3)
ATmega328PB-MU
ATmega328PB-MUR
(3)
32A
32A
32MS1
32MS1
Industrial
(-40°C to 85°C)
ATmega328PB-AN
ATmega328PB-ANR
(3)
ATmega328PB-MN
ATmega328PB-MNR
(3)
32A
32A
32MS1
32MS1
Industrial
(-40°C to 105°C)
Note: 
1. This device can also be supplied in wafer form. Contact your local Atmel sales office for detailed
ordering information and minimum quantities.
2. Pb-free packaging complies to the European Directive for Restriction of Hazardous Substances
(RoHS directive). Also Halide free and fully Green.
3. Tape & Reel.
Package Type
32A 32-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP)
32MS1 32-pad, 5.0x5.0x0.9mm body, Lead Pitch 0.50mm, Very-thin Fine pitch, Quad Flat No Lead Package
(VQFN)
ATmega328PB
© 2017 Microchip Technology Inc.
Datasheet Summary
40001907A-page 6