The AT90S2333-8AC from Microchip Technology is an AVR® 90S 8-bit microcontroller Integrated Circuit running at 8 MHz with 2 KB (1K x 16) flash memory in a 32-TQFP (7x7) package.
The AT90S2333-8PI from Microchip Technology is an AVR 90S 8-bit microcontroller Integrated Circuit running at 8 MHz with 2 KB (1K x 16) flash, in a 28-PDIP package.