Datasheet

31
1921D–MICRO–6/08
AT89C55WD
38. Ordering Information
38.1 Green Package Option (Pb/Halide-free)
Speed
(MHz)
Power
Supply Ordering Code Package Operation Range
24 4.0V to 5.5V
AT89C55WD-24AU
AT89C55WD-24JU
AT89C55WD-24PU
44A
44J
40P6
Industrial
(-40° C to 85° C)
33 4.5V to 5.5V
AT89C55WD-33AU
AT89C55WD-33JU
AT89C55WD-33PU
44A
44J
40P6
Industrial
(-40° C to 85° C)
Package Type
44A 44-lead, Thin Plastic Gull Wing Quad Flatpack (TQFP)
44J 44-lead, Plastic J-leaded Chip Carrier (PLCC)
40P6 40-pin, 0.600" Wide, Plastic Dual Inline Package (PDIP)