Atmel ATmega328 User Manual

546
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
33.7 ATmega328
Note: 1. This device can also be supplied in wafer form. Please 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. See Figure 29-1 on page 322.
4. NiPdAu Lead Finish.
5. Tape & Reel
Speed (MHz) Power Supply (V) Ordering Code
(2)
Package
(1)
Operational Range
20
(3)
1.8 - 5.5
ATmega328-AU
ATmega328-AUR
(5)
ATmega328-MMH
(4)
ATmega328-MMHR
(4)(5)
ATmega328-MU
ATmega328-MUR
(5)
ATmega328-PU
32A
32A
28M1
28M1
32M1-A
32M1-A
28P3
Industrial
(-40
°C to 85°C)
Package Type
32A 32-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP)
28M1 28-pad, 4 x 4 x 1.0 body, Lead Pitch 0.45mm Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF)
28P3 28-lead, 0.300” Wide, Plastic Dual Inline Package (PDIP)
32M1-A 32-pad, 5 x 5 x 1.0 body, Lead Pitch 0.50mm Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF)

Atmel ATmega328 Specifications

General

Brand	Atmel
Model	ATmega328
Category	Microcontrollers
Language	English