Maximus Programmer

[ocean_rider]

Hi All ,I Have a Maximus programmer v 1.04 which I bought a few years ago from Mrpcb. I need to replace the 16 pin Ic - but the numbers have been erased from the chip. Does anyone know what this Ic is,or where a schematic diagram can be obtained? Many thanks

 

[SMEGIAN]

I had a similar fault, What is needed is a hex inverter, I do not know the original part number but I used a 4069UBE. I also used a socket in case I blew it up again.;)

 

[ocean_rider]

Cheers m8 , thanks for the info regarding the 4069 hex inverter,I checked these out - but they are only 14 pin chips, mine is 16 pin

 

[SMEGIAN]

Cheers m8 , thanks for the info regarding the 4069 hex inverter,I checked these out - but they are only 14 pin chips, mine is 16 pin

Sorry, correction, it's a 4049UBE

 

[ocean_rider]

Thanks for the updated info regarding the 4049ube. Could you tell me where you got yours as I have tried locally and also a few of my suppliers ,none of them have the ube version only the standard buffered 4049
Thanks

 

[SMEGIAN]

The UBE spec may not be crucial, it was just what I found in my cmos/ttl chip collection, probably from Farnell/CPC or RS components. The main thing is that it makes a reliable oscillator using the ceramic resonators of 6 and 3.58 MHz, if you use a socket it won't hurt to try any of the 4049's available.