8-Bit MCU, 40MHz, 8KB FLASH, 256B RAM, 32 I/O, PDIP40
8-Bit MCU, 40MHz, FLASH, 512B RAM, 32 I/O, PDIP40
8-Bit MCU, 40MHz, FLASH, 8051, 32 I/O, PDIP40
8-Bit Microcontroller, 40 MHz, 5V, 20mA, 44-Pin Quad Package
