GB1517926A - Electronic stores - Google Patents

Electronic stores

Info

Publication number
GB1517926A
GB1517926A GB36980/75A GB3698075A GB1517926A GB 1517926 A GB1517926 A GB 1517926A GB 36980/75 A GB36980/75 A GB 36980/75A GB 3698075 A GB3698075 A GB 3698075A GB 1517926 A GB1517926 A GB 1517926A
Authority
GB
United Kingdom
Prior art keywords
cells
gate
floating
control
fet
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB36980/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
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 Corp filed Critical Siemens Corp
Publication of GB1517926A publication Critical patent/GB1517926A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]
    • H10D30/68—Floating-gate IGFETs
    • H10D30/681—Floating-gate IGFETs having only two programming levels
    • H10D30/684—Floating-gate IGFETs having only two programming levels programmed by hot carrier injection
    • H10D30/685—Floating-gate IGFETs having only two programming levels programmed by hot carrier injection from the channel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital 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
    • G11C11/403—Digital 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
    • G11C11/404—Digital 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0408—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
    • G11C16/0416—Erasable 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0408—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
    • G11C16/0425—Erasable 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
    • G11C16/16—Circuits for erasing electrically, e.g. erase voltage switching circuits for erasing blocks, e.g. arrays, words, groups
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject 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)
GB36980/75A 1974-09-20 1975-09-09 Electronic stores Expired GB1517926A (en)

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
GB1517926A true GB1517926A (en) 1978-07-19

Family

ID=25767729

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36980/75A Expired GB1517926A (en) 1974-09-20 1975-09-09 Electronic stores

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143698A (en) * 1981-01-14 1985-02-13 Toshiba Kk Semiconductor integrated memory circuit

Families Citing this family (2)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143698A (en) * 1981-01-14 1985-02-13 Toshiba Kk Semiconductor integrated memory circuit

Also Published As

Publication number Publication date
CH607234A5 (enrdf_load_stackoverflow) 1978-11-30
NL7510941A (nl) 1976-03-23
FR2285678A1 (fr) 1976-04-16
SE7510482L (sv) 1976-03-22
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
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee