Emax

That's only partially right, there are 3 versions of the 93C46
93C46A is 8 bit
93C46B is 16 bit
93C46C is selectable 8/16 bit, and is the only one that requires the ORG pin.
the 93C46B is a direct replacement for the 93C06

Dave


--- In emax@yahoogroups.com, "Julian" <jujulilianan@...> wrote:
>
> oooh, I2C eeprom.
> 
> I just looked about and found the Atmel datasheet for their 93c46, and
> an old microchip datasheet for their version of the 06/46. 
> 
> If this is newer atmel part is representative of other modern 93c46
> parts, to make the 46 work in place of the 06 you might have to make a
> change - pin 6 is now a memory organisation pin, and you'll need to pull
> that to VCC in order to make this chip run in x16 memory organisation.
> 
> 
> apart from that - reading and writing I2C eeprom is pretty trivial and
> works in a standard way across all devices. if worst comes to worst you
> can do it with a standard microcontroller dev board and some off the
> shelf code.... 
> 
> -- 
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> 
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>