3 atmega644pa – Atmel ATmega324PA User Manual
Page 19
19
8152GS–AVR–11/09
ATmega164PA/324PA/644PA/1284P
8.3
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 328
.
Speed (MHz)
(3)
Power Supply
Ordering Code
(2)
Package
(1)
Operational Range
20
1.8 - 5.5V
ATmega644PA-AU
ATmega644PA-PU
ATmega644PA-MU
44A
40P6
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)