minimig memory question

webhead · 28 July 2009, 01:53

hello there i see people are piggy backing the memory chips ,cant you just put bigger sram on ,or does it have to be piggy backed for it to work cheers.

rkauer · 28 July 2009, 03:10

Piggy back is easier since you need to provide a totally pin-to-pin compatible chip with the amount of RAM you want.

Solder over with one more wire to select the higher address is easier.

Nothing that stops you to re-design the whole board just to provide twice the original RAM...

webhead · 28 July 2009, 14:50

many thanks i will do that then ill order 4 at same time cheers,

28 July 2009, 01:53	#1
webhead Banned Join Date: Jan 2007 Location: swindon Posts: 148	minimig memory question hello there i see people are piggy backing the memory chips ,cant you just put bigger sram on ,or does it have to be piggy backed for it to work cheers.

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28 July 2009, 03:10	#2
rkauer I hate potatos and shirts Join Date: Oct 2007 Location: Sao Leopoldo / Brazil Age: 58 Posts: 3,482	Piggy back is easier since you need to provide a totally pin-to-pin compatible chip with the amount of RAM you want. Solder over with one more wire to select the higher address is easier. Nothing that stops you to re-design the whole board just to provide twice the original RAM...

28 July 2009, 14:50	#3
webhead Banned Join Date: Jan 2007 Location: swindon Posts: 148	many thanks i will do that then ill order 4 at same time cheers,

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