Datasheet

337
ATmega325/3250/645/6450
2570K–AVR–04/07
Notes: 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 alternative, complies to the European Directive for Restriction of Hazardous Substances (RoHS direc-
tive). Also Halide free and fully Green.
3. For Speed vs. V
CC
see Figure 130 on page 293 and Figure 131 on page 294.
ATmega645
Speed (MHz)
(3)
Power Supply Ordering Code Package Type
(1)
Operational Range
8 1.8 - 5.5V
ATmega645V-8AI
ATmega645V-8AU
(2)
ATmega645V-8MI
ATmega645V-8MU
(2)
64A
64A
64M1
64M1
Industrial
(-4
0°C to 85°C)
16 2.7 - 5.5V
ATmega645-16AI
ATmega645-16AU
(2)
ATmega645-16MI
ATmega645-16MU
(2)
64A
64A
64M1
64M1
Industrial
(-40°C to 85°C)
Package Type
64A 64-lead, 14 x 14 x 1.0 mm, Thin Profile Plastic Quad Flat Package (TQFP)
64M1 64-pad, 9 x 9 x 1.0 mm, Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF)
100A 100-lead, 14 x 14 x 1.0 mm, 0.5 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)