ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G11C0016220000 Safety or protection circuits preventing unauthorised or accidental access to memory cells 1
G11C0016240000 Bit-line control circuits 1
G11C0016260000 Sensing or reading circuits; Data output circuits 1
G11C0016280000 using differential sensing or reference cells, e.g. dummy cells 1
G11C0016300000 Power supply circuits 1
G11C0016320000 Timing circuits 1
G11C0016340000 Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention 1
G11C0017000000 Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (erasable programmable read-only memories G11C0016000000; coding, decoding or code conversion, in general H03M) 1
G11C0017020000 using magnetic or inductive elements (G11C0017140000 takes precedence);; 1
G11C0017040000 using capacitive elements (G11C0017060000, G11C0017140000 take precedence);; 1
G11C0017060000 using diode elements (G11C0017140000 takes precedence);; 1
G11C0017080000 using semiconductor devices, e.g. bipolar elements (G11C0017060000, G11C0017140000 take precedence);; 1
G11C0017100000 in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM 1
G11C0017120000 using field-effect devices 1
G11C0017140000 in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM 1