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===Electronics=== A leading slash is one of several common conventions for indicating an [[Active-low#Active state|active-low]] digital signal, which performs the named function when at a low voltage level.<ref>{{cite news |title=RAM Guide: Part I DRAM and SRAM Basics |first=Jon "Hannibal" |last=Stokes |date=June 2008 |journal=[[Ars Technica]] |page=3 |url=https://archive.arstechnica.com/paedia/r/ram_guide/ram_guide.part1-3.html |quote=Putting a "/" in front of the pin name is the standard text way of writing it with a line over it. The "/" or line signifies that the pin is activated by a low voltage, or logic 0.}}</ref> For example, [[dynamic random-access memory]] has active-low Chip Select, Row Address Strobe and Column Address Strobe signals, commonly written {{nobr|/CS}}, {{nobr|/RAS}}, and {{nobr|/CAS}}.<ref>{{cite tech report |type=Data sheet |page=5 |title=512Mb DDR SDRAM HY5DU12422A(L)T, HY5DU12822A(L)T, HY5DU121622A(L)T |publisher=Hynix |date=February 2003 |url=https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/hynix-hy5du12822at-d43-datasheet.pdf#page=5}}</ref> This extends to signals which select between two options, such as "{{nobr|R/W}}", which indicates that the function is "read" when high and "write" when low. (Sometimes written as {{nobr|R/{{overline|W}}}} for greater clarity.<ref>{{cite tech report |type=Class Notes |title=EE 308: Address, Data and Control Buses) |first=Bill |last=Rison |date=7 April 2010 |page=5 |url=http://www.ee.nmt.edu/~rison/ee308_spr10/supp/100407.pdf#page=5 |access-date=2024-11-25 |quote=It brings the Read/Write (R/{{overline|W}}) line low to indicate a write}}</ref>
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