STATIC STORES (semiconductor memory devices H10B)

Child Classifications

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• G11C 11/00 Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor (G11C14/00 - G11C21/00 take precedence) +1 CPC IPC+CPC Available in IPC and CPC
• G11C 13/00 Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 +1 CPC IPC+CPC Available in IPC and CPC
• G11C 14/00 Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down since 1990 +2 CPC IPC+CPC Available in IPC and CPC
• G11C 15/00 Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores IPC+CPC Available in IPC and CPC
• G11C 16/00 Erasable programmable read-only memories (G11C14/00 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
• G11C 17/00 Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards +1 CPC IPC+CPC Available in IPC and CPC
• G11C 19/00 Digital stores in which the information is moved stepwise, e.g. shift registers +1 CPC IPC+CPC Available in IPC and CPC
• G11C 21/00 Digital stores in which the information circulates (stepwise G11C19/00) +1 CPC IPC+CPC Available in IPC and CPC
• G11C 2207/00 Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store 2nd only +8 CPC CPC only CPC only
• G11C 2211/00 Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor 2nd only +2 CPC CPC only CPC only
• G11C 2213/00 Indexing scheme relating to G11C13/00 for features not covered by this group 2nd only +4 CPC CPC only CPC only
• G11C 2216/00 Indexing scheme relating to G11C16/00 and subgroups, for features not directly covered by these groups 2nd only +2 CPC CPC only CPC only
• G11C 2229/00 Indexing scheme relating to checking stores for correct operation, subsequent repair or testing stores during standby or offline operation 2nd only +1 CPC CPC only CPC only
• G11C 23/00 Digital stores characterised by movement of mechanical parts to effect storage, e.g. using balls; Storage elements therefor IPC+CPC Available in IPC and CPC
• G11C 25/00 Digital stores characterised by the use of flowing media; Storage elements therefor IPC+CPC Available in IPC and CPC
• G11C 27/00 Electric analogue stores, e.g. for storing instantaneous values +1 CPC IPC+CPC Available in IPC and CPC
• G11C 29/00 Checking stores for correct operation ; Testing stores during standby or offline operation +3 CPC IPC+CPC Available in IPC and CPC
• G11C 5/00 Details of stores covered by group G11C11/00 +1 CPC IPC+CPC Available in IPC and CPC
• G11C 7/00 Arrangements for writing information into, or reading information out from, a digital store (G11C5/00 takes precedence; auxiliary circuits for stores using semiconductor devices G11C11/4063, G11C11/413) +1 CPC IPC+CPC Available in IPC and CPC
• G11C 8/00 Arrangements for selecting an address in a digital store (for stores using transistors G11C11/407, G11C11/413) since 1974 +1 CPC −1 IPC IPC+CPC Available in IPC and CPC
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