A couple of pin for pin replacements are CBT3253 and FST3253 ... other numbers are SN74CBT3253 or 74CBT3253 or 74FST3253
All are essentially the same chip just different manufacturers ... The FST is Fairchild (USA) and the CBT is Philips (EU, Netherlands)... In your part of the world the Philips device may be the easiest to obtain JR --- In [email protected], "Adnan Yusuf" <[EMAIL PROTECTED]> wrote: > > i was making the sdr for the masses circuit. Unfortuately i couldnt > get the IC pi3b3253. However i got another ic named 74hc4052. The > problem that i am now having is that although both the ic's are > mux/demuxers with almost the same pins there are two pins that are > different in both the ics > > the pi3b3253 has 2 enables(one for high and one for low) > the 74hc4052 doesnt have this > > the 74hc4052 has a Vee pin while the pi3b3253 doesnot have this pin. > will i still be able to use this ic as an equivalent. > > please look at the link which provides the picture, it will make the > situation very clear. > http://img509.imageshack.us/my.php?image=67751722pt1.png > > please do reply. please take your time. i would be very greatful. > > yours > adnan yusuf >
