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IPC Main Group
G11C 7/00

Arrangements for writing information into, or reading information out from, a digital store

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
INFORMATION STORAGE
Subclass:
STATIC STORES

11 direct subcodes

Child Classifications

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  • G11C 7/02 with means for avoiding parasitic signals
  • G11C 7/04 with means for avoiding disturbances due to temperature effects
  • G11C 7/1 Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
  • G11C 7/12 Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
  • G11C 7/14 Dummy cell management; Sense reference voltage generators
  • G11C 7/16 Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters
  • G11C 7/18 Bit line organisation; Bit line lay-out
  • G11C 7/2 Memory cell initialisation circuits, e.g. when powering up or down, memory clear, latent image memory
  • G11C 7/22 Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
  • G11C 7/24 Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells

Top Applicants

Top 10 applicants by patent filingsfor class G11, 2013–2023, worldwide · Source: EPO PATSTAT

  1. MICRON TECHNOLOGY US 10,574
  2. SK HYNIX KR 9,138
  3. SAMSUNG ELECTRONICS COMPANY KR 9,004
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 3,739
  5. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,443
  6. INTEL CORPORATION US 2,952
  7. SANDISK TECHNOLOGIES US 2,905
  8. WESTERN DIGITAL TECHNOLOGIES US 2,630
  9. TOSHIBA CORPORATION JP 2,593
  10. SEAGATE TECHNOLOGY US 2,472