CH607234A5 - - Google Patents

Info

Publication number
CH607234A5
CH607234A5 CH1198275A CH1198275A CH607234A5 CH 607234 A5 CH607234 A5 CH 607234A5 CH 1198275 A CH1198275 A CH 1198275A CH 1198275 A CH1198275 A CH 1198275A CH 607234 A5 CH607234 A5 CH 607234A5
Authority
CH
Switzerland
Application number
CH1198275A
Inventor
Bernward Roessler
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19742445078 external-priority patent/DE2445078C3/de
Priority claimed from DE19752505821 external-priority patent/DE2505821C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH607234A5 publication Critical patent/CH607234A5/xx

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/68Floating-gate IGFETs
    • H10D30/681Floating-gate IGFETs having only two programming levels
    • H10D30/684Floating-gate IGFETs having only two programming levels programmed by hot carrier injection
    • H10D30/685Floating-gate IGFETs having only two programming levels programmed by hot carrier injection from the channel
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/403Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh
    • G11C11/404Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh with one charge-transfer gate, e.g. MOS transistor, per cell
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0408Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
    • G11C16/0416Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing a single floating gate transistor and no select transistor, e.g. UV EPROM
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0408Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
    • G11C16/0425Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing a merged floating gate and select transistor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/10Programming or data input circuits
    • G11C16/14Circuits for erasing electrically, e.g. erase voltage switching circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/10Programming or data input circuits
    • G11C16/14Circuits for erasing electrically, e.g. erase voltage switching circuits
    • G11C16/16Circuits for erasing electrically, e.g. erase voltage switching circuits for erasing blocks, e.g. arrays, words, groups
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C17/00Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00Subject matter not provided for in other groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Non-Volatile Memory (AREA)
  • Read Only Memory (AREA)
CH1198275A 1974-09-20 1975-09-16 CH607234A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742445078 DE2445078C3 (de) 1974-09-20 In integrierter Technik hergestellter elektronischer Speicher
DE19752505821 DE2505821C3 (de) 1975-02-12 1975-02-12 Verfahren zum Betrieb eines in integrierter Technik hergestellten elektronischen Speichers

Publications (1)

Publication Number Publication Date
CH607234A5 true CH607234A5 (enrdf_load_stackoverflow) 1978-11-30

Family

ID=25767729

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1198275A CH607234A5 (enrdf_load_stackoverflow) 1974-09-20 1975-09-16

Country Status (9)

Country Link
JP (1) JPS5158078A (enrdf_load_stackoverflow)
BE (1) BE833630A (enrdf_load_stackoverflow)
CH (1) CH607234A5 (enrdf_load_stackoverflow)
DK (1) DK423175A (enrdf_load_stackoverflow)
FR (1) FR2285678A1 (enrdf_load_stackoverflow)
GB (1) GB1517926A (enrdf_load_stackoverflow)
IT (1) IT1042649B (enrdf_load_stackoverflow)
NL (1) NL7510941A (enrdf_load_stackoverflow)
SE (1) SE7510482L (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654693A (en) * 1979-10-05 1981-05-14 Hitachi Ltd Programable rom
US4542485A (en) * 1981-01-14 1985-09-17 Tokyo Shibaura Denki Kabushiki Kaisha Semiconductor integrated circuit
JPS6284496A (ja) * 1986-08-25 1987-04-17 Hitachi Ltd プログラマブルrom

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526148B2 (enrdf_load_stackoverflow) * 1972-05-18 1977-02-19

Also Published As

Publication number Publication date
NL7510941A (nl) 1976-03-23
FR2285678A1 (fr) 1976-04-16
SE7510482L (sv) 1976-03-22
GB1517926A (en) 1978-07-19
BE833630A (fr) 1976-03-19
JPS5158078A (en) 1976-05-21
DK423175A (da) 1976-03-21
FR2285678B1 (enrdf_load_stackoverflow) 1979-03-23
IT1042649B (it) 1980-01-30

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased