Manufacturer | Part # | Datasheet | Description |
 NXP Semiconductors |
8XC51RA
|
348Kb / 55P |
8-bit CMOS (low voltage, low power and high speed) microcontroller families
1999 Apr 01 |
8XC51RA+
|
355Kb / 56P |
80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz)
2000 Aug 07 |
8XC51RA+
|
238Kb / 32P |
80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7 V–5.5 V), low power, high speed (33 MHz)
2000 Aug 07 |
8XC51RB
|
348Kb / 55P |
8-bit CMOS (low voltage, low power and high speed) microcontroller families
1999 Apr 01 |
8XC51RB+
|
355Kb / 56P |
80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz)
2000 Aug 07 |