INTEGRATED CIRCUITS 89C51/89C52/89C54/89C58 80C51.
STC89C58RD - MCU
SST89C54 - (SST89C54 / SST89C58 / SST89C59) 8-Bit MICROCONTROLLER
89C58 - 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
IC89C58 - CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
SST89C58 - (SST89C54 / SST89C58 / SST89C59) 8-Bit MICROCONTROLLER
SST89C59 - (SST89C54 / SST89C58 / SST89C59) 8-Bit MICROCONTROLLER
P89C58X2 - 80C51 8-bit Flash microcontrolle
P89C58 - 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash