S ROM: Difference between revisions

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==Speed==
==Speed==
Minimum speed grade: 200ns (strictly < 250ns).
Minimum speed grade: 200ns (strictly < 250ns). Or is it < 200ns ? 5 or 6 mclk ?


[[Category:Chips]]
[[Category:Chips]]
[[Category:Cartridge systems]]
[[Category:Cartridge systems]]
[[Category:Video system]]
[[Category:Video system]]

Revision as of 12:51, 29 March 2016

File:S rom.jpg
128KiB S1 ROM

Graphics ROM containing tiles for the Fix layer. Bankswitch for ROMs larger than 128KiB handled by NEO-CMC.

Also found embedded in MVS systems under the SFIX name.

Data format

See fix graphics format.

Speed

Minimum speed grade: 200ns (strictly < 250ns). Or is it < 200ns ? 5 or 6 mclk ?