[vdr] Re: [ANNOUNCE] Howto upgrade a full-featured dvb-s card to 4 MByte SDRAM

[Oliver Endriss <o.endriss@gmx.de>]

On Monday 14 June 2004 15:00, Joerg Schneide wrote:
> What is the maximum timing of the SDRAM-Chip?
> On my 2.1 DVB-s there is an 8ns HY57V161610D Chip, the DSP has
> an 27Mhz clock, do you think I can use a chip with up to 15ns,
> or is the bus-clock a multiple of the external DSP-Clock?

According to the data sheet, the SDRAM operates at 81 MHz clock
frequency. I suggest to use 10ns SDRAMs or better.

Oliver