equivalent IC?

hi everyone...
i m using AT89S8252 microcontroller chip for my project
now i don't find that IC in any nearby shop..
can i know which is the equivalent IC of this AT89S8252??
here is the circuit diagram of my project..


want reply soooooooooonnn....
please....!!!

89S8252 can be replaced with 89S52, if you are not using EEPROM, SPI and watchdog in your project.

40 pins DIP PIC can also be use