Auxiliary circuits, e.g. for writing into memory

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Erasable programmable read-only memories > electrically programmable > Auxiliary circuits, e.g. for writing into memory

CPC:

Erasable programmable read-only memories (G11C14/00 takes precedence) > electrically programmable > Auxiliary circuits, e.g. for writing into memory

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

IPC defines codes here since 2000.

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G11C 16/08 Address circuits; Decoders; Word-line control circuits since 2000 IPC+CPC Available in IPC and CPC
G11C 16/10 Programming or data input circuits since 2000 +2 CPC IPC+CPC Available in IPC and CPC
G11C 16/22 Safety or protection circuits preventing unauthorised or accidental access to memory cells since 2000 +1 CPC IPC+CPC Available in IPC and CPC
G11C 16/24 Bit-line control circuits since 2000 IPC+CPC Available in IPC and CPC
G11C 16/26 Sensing or reading circuits; Data output circuits since 2000 IPC+CPC Available in IPC and CPC
G11C 16/30 Power supply circuits since 2000 IPC+CPC Available in IPC and CPC
G11C 16/32 Timing circuits since 2000 IPC+CPC Available in IPC and CPC
G11C 16/34 Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention since 2000 +4 CPC IPC+CPC Available in IPC and CPC