BOM: XCR3064XL-10VQ44 TC55VBM416AFTN (2) SN74LVC4245 LP2980-3.3 TPS78233 BAV70 (2) 10k 0805 (2) 1uF 0805
[image: Inline image 2][image: Inline image 1] On Thu, Nov 23, 2017 at 7:44 AM, Stephen Adolph <[email protected]> wrote: > Mike, I have not really thought about it. I just submitted a V2 board > that cleans up the barnacles needed on V1, and once that is confirmed good > in about 3 weeks, I was thinking just to post all the info so it can be > built by anyone, like REX. > > The BOM cost is quite a bit higher. The CPLD is 5$ and the 2MB SRAM is > around 15$ - 30$. Large SRAM is not cheap. > > I designed it to use either 1 or 2MB 3.3V 8x / 16x SRAM. I have about > 100 SRAM chips between the following parts list on hand, so I designed > around them. > > CY62157EV30LL-45ZXI TSOP-48 3.3V 1MBx8 512Kx16 SRAM > TC55VBM416AFTN-55 TSOP-48 3.3V 2MBx8 1MBx16 SRAM (used in ReMem) > TC55W800FT-55 TSOP-48 3.3V 1MBx8 512Kx16 SRAM > > > Still, REXCPM is much easier to build and install than ReMem, so it is a > good step forward for CP/M. > > > >> >> On Wed, Nov 22, 2017 at 7:47 PM, Mike Stein <[email protected]> wrote: >> >>> Sounds great! >>> >>> Any rough idea of a price point? >>> >>> m >>> >> >
