INTEGRATED CIRCUITS 89C51/89C52/89C54/89C58 80C51.
T89C51RB2 - (T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
89C5122 - AT89C5122
AT89C51 - 8-Bit Microcontroller
T89C51RD2 - 0 to 40MHz Flash Programmable 8-bit Microcontroller
AT89C5131 - 8-bit Flash Microcontroller
T89C51IC2 - 8-bit Microcontroller with Flash and I2C Interface
AT89C5131A-M - 8-bit Flash Microcontroller
AT89C51ED2 - 8-bit Flash Microcontroller
AT89C51CC01 - Enhanced 8-bit Microcontroller
89C51RD2 - 0 to 40MHz Flash Programmable 8-bit Microcontroller
89C5131 - AT89C5131
AT89C5122 - (AT8xx512x) Smart Card Reader ICs
AT89C51AC3 - Enhanced 8-bit Microcontroller
B89C51S - Micro controller
T89C51CC01 - Enhanced 8-Bit Microcontroller
T89C5115 - Low Pin Count 8-bit Microcontroller
AT89C5132 - (AT83C5132 / AT89C5132) Usb C51-based Microcontroller
89C516RD - ST89C516RD
89C51AC2 - Enhanced 8-bit Microcontroller
89C51RC2 - 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM