Datasheet

22
8272CS–AVR–06/11
ATmega164A/PA/324A/PA/644A/PA/1284/P
9.6 ATmega644PA
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. V
CC
see ”Speed Grades” on page 335.
4. Taper & Reel.
Speed (MHz)
(3)
Power Supply Ordering Code
(2)
Package
(1)
Operational Range
20 1.8 - 5.5V
ATmega644PA-AU
ATmega644PA-AUR
(4)
ATmega644PA-PU
ATmega644PA-MU
ATmega644PA-MUR
(4)
44A
44A
40P6
44M1
44M1
Industrial
(-40
o
C to 85
o
C)
Package Type
44A 44-lead, Thin (1.0 mm) Plastic Gull Wing Quad Flat Package (TQFP)
40P6 40-pin, 0.600” Wide, Plastic Dual Inline Package (PDIP)
44M1 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)