| 1291801 | P83C51RD+5B | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291802 | P83C51RD+5N | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291803 | P83C51RD+IA | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291804 | P83C51RD+IB | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291805 | P83C51RD+IN | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291806 | P83C51RD+JA | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291807 | P83C51RD+JB | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291808 | P83C51RD+JN | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz | Philips |
| 1291809 | P83C524 | 8-bit microcontrollers | Philips |
| 1291810 | P83C524EBA | 8-bit microcontrollers | Philips |
| 1291811 | P83C524EBB | 8-bit microcontrollers | Philips |
| 1291812 | P83C524EBP | 8-bit microcontrollers | Philips |
| 1291813 | P83C524EFA | 8-bit microcontrollers | Philips |
| 1291814 | P83C524EFB | 8-bit microcontrollers | Philips |
| 1291815 | P83C524EFP | 8-bit microcontrollers | Philips |
| 1291816 | P83C524IBA | 8-bit microcontrollers | Philips |
| 1291817 | P83C524IBB | 8-bit microcontrollers | Philips |
| 1291818 | P83C524IBP | 8-bit microcontrollers | Philips |
| 1291819 | P83C524IFA | 8-bit microcontrollers | Philips |
|
| 1291820 | P83C524IFB | 8-bit microcontrollers | Philips |
| 1291821 | P83C524IFP | 8-bit microcontrollers | Philips |
| 1291822 | P83C528 | 8-bit microcontrollers | Philips |
| 1291823 | P83C528EBA | 8-bit microcontrollers | Philips |
| 1291824 | P83C528EBB | 8-bit microcontrollers | Philips |
| 1291825 | P83C528EBP | 8-bit microcontrollers | Philips |
| 1291826 | P83C528EFA | 8-bit microcontrollers | Philips |
| 1291827 | P83C528EFB | 8-bit microcontrollers | Philips |
| 1291828 | P83C528EFP | 8-bit microcontrollers | Philips |
| 1291829 | P83C528FBA | CMOS single-chip 8-bit microcontroller | Philips |
| 1291830 | P83C528FBAA | CMOS single-chip 8-bit microcontroller | Philips |
| 1291831 | P83C528FBB | CMOS single-chip 8-bit microcontroller | Philips |
| 1291832 | P83C528FBBB | CMOS single-chip 8-bit microcontroller | Philips |
| 1291833 | P83C528FBP | CMOS single-chip 8-bit microcontroller | Philips |
| 1291834 | P83C528FBPN | CMOS single-chip 8-bit microcontroller | Philips |
| 1291835 | P83C528FBR | 16 MHz, CMOS single-chip 8-bit microcontroller | Philips |
| 1291836 | P83C528FFA | CMOS single-chip 8-bit microcontroller | Philips |
| 1291837 | P83C528FFAA | CMOS single-chip 8-bit microcontroller | Philips |
| 1291838 | P83C528FFB | CMOS single-chip 8-bit microcontroller | Philips |
| 1291839 | P83C528FFBB | CMOS single-chip 8-bit microcontroller | Philips |
| 1291840 | P83C528FFP | CMOS single-chip 8-bit microcontroller | Philips |
