Datasheet

22
2549PS–AVR–10/2012
ATmega640/1280/1281/2560/2561
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. See “Speed Grades” on page 369.
3. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also
Halide free and fully Green.
4. Tape & Reel
9.3 ATmega1281
Speed (MHz)
(2)
Power Supply Ordering Code Package
(1)(3)
Operation Range
8 1.8 - 5.5V
ATmega1281V-8AU
ATmega1281V-8AUR
(4)
ATmega1281V-8MU
ATmega1281V-8MUR
(4)
64A
64A
64M2
64M2
Industrial
(-40°C to 85°C)
16 2.7 - 5.5V
ATmega1281-16AU
ATmega1281-16AUR
(4)
ATmega1281-16MU
ATmega1281-16MUR
(4)
64A
64A
64M2
64M2
Package Type
64A 64-lead, Thin (1.0mm) Plastic Gull Wing Quad Flat Package (TQFP)
64M2 64-pad, 9mm × 9mm × 1.0mm Body, Quad Flat No-lead/Micro Lead Frame Package (QFN/MLF)