P87C51MB2BA/02,529
P87C51MC2BA/02,529
P87C51MC2BA/02-S
P87C51RA
P87C51RA+1A
P87C51RA+4A,512
P87C51RA+4B
P87C51RA+5B
P87C51RA+IA
P87C51RA+IA,512