Datasheet

16
7766FS–AVR–11/10
ATmega16/32U4
6. Ordering Information
6.1 ATmega16U4
Speed (MHz) Power Supply Ordering Code Default Oscillator Package Operation Range
16
2.7 - 5.5V
ATmega16U4-AU External XTAL
44ML
Industrial (-40° to +85°C)
ATmega16U4RC-AU Internal Calib. RC
ATmega16U4-MU External XTAL
44PW
ATmega16U4RC-MU Internal Calib. RC
Package Type
44ML
ML, 44 - Lead, 10 x 10 mm Body Size, 1.0 mm Body Thickness
0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
44PW
PW, 44 - Lead 7.0 x 7.0 mm Body, 0.50 mm Pitch
Quad Flat No Lead Package (QFN)