ATmega164P/324P/644P
7.3 ATmega644P
Speed (MHz)(3)
10
20
Power Supply
1.8 - 5.5V
2.7 - 5.5V
Ordering Code
ATmega644PV-10AU(2)
ATmega644PV-10PU(2)
ATmega644PV-10MU(2)
ATmega644P-20AU(2)
ATmega644P-20PU(2)
ATmega644P-20MU(2)
Package(1)
44A
40P6
44M1
44A
40P6
44M1
Operational Range
Industrial
(-40oC to 85oC)
Industrial
(-40oC to 85oC)
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, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also
Halide free and fully Green.
3. For Speed vs. VCC see ”Speed Grades” on page 330.
44A
40P6
44M1
Package Type
44-lead, Thin (1.0 mm) Plastic Gull Wing Quad Flat Package (TQFP)
40-pin, 0.600” Wide, Plastic Dual Inline Package (PDIP)
44-pad, 7 x 7 x 1.0 mm body, lead pitch 0.50 mm, Thermally Enhanced Plastic Very Thin Quad Flat No-Lead (VQFN)
17
8011KS–AVR–09/08