User Manual

25
AT89S51
2487A–10/01
Ordering Information
Speed
(MHz)
Power
Supply Ordering Code Package Operation Range
24 4.0V to 5.5V AT89S51-24AC
AT89S51-24JC
AT89S51-24PC
44A
44J
40P6
Commercial
(0°C to 70°C)
AT89S51-24AI
AT89S51-24JI
AT89S51-24PI
44A
44J
40P6
Industrial
(-40°C to 85°C)
33 4.5V to 5.5V AT89S51-33AC
AT89S51-33JC
AT89S51-33PC
44A
44J
40P6
Commercial
(0°C to 70°C)
= Preliminary Availability
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)