Equivalent Replacement of microcontroller

Sir,

Good Morning,

Thank you for making me a member of Rickey`s world.

Can i have replacement equivalent microcontroller of philips 89v51RD2 .

but not ATMEL microcontroller.

please suggest.

There may not be an exact equivalent .
You will have to tell us what features you need.

Why not use Atmel ?

sir,

i used microcontroller 89v51rd2 in circuit. Now this ic is not available in mumbai market.

If available it is very costly. I need pin compatible microcontroller to replace it. In ATMEL
microcontroller i faced problem that if their is slight variation in smps voltage microcontroller failed.

I think its important to list out the features of this controller that are in use in your project, only then think of a replacement. You can look into P89V51RD2 but will lack certain features that you are getting in Atmel version.

Microchip's SST89E516RD2, Replacement for NXP's P89V51RD2, Do not need programmer.
http://www.sunrom.com/p/sst89e516rd2-dip-8051-64-kb-flash

@ akshar
AT89C51AC3 can be
but the final decision will be when you tell what features you are using in previous chip