Main Page
Intel MCS-51 Microcontrollers

8031
N80C31BH1

8051
P8051AH
D87C51FA-1




8031



N80C31BH1
8-bit microcontroller






 Frequency: 3.5 - 12 MHz
 On-Chip RAM: 128 bytes
 On-Chip ROM: 0
 Package: PLCC-44
 Technology: CMOS
 Year: 1986
Top




8051



P8051AH
8-bit microcontroller






 Frequency: 3.5 - 12 MHz
 On-Chip RAM: 128 bytes
 On-Chip ROM: 4 KB
 Package: PDIP-40
 Technology: HMOS
 Year: 1986
 Datasheet: intel-mcs-51.pdf
Top
D87C51FA-1
8-bit microcontroller with UVEPROM






 Frequency: 3.5 - 16 MHz
 On-Chip RAM: 256 bytes
 On-Chip ROM: 8 KB
 Package: CDIP-40
 Technology: CHMOS
 Year: 1983
Top