BR8207782A - Detector de apagamento de prom - Google Patents

Detector de apagamento de prom

Info

Publication number
BR8207782A
BR8207782A BR8207782A BR8207782A BR8207782A BR 8207782 A BR8207782 A BR 8207782A BR 8207782 A BR8207782 A BR 8207782A BR 8207782 A BR8207782 A BR 8207782A BR 8207782 A BR8207782 A BR 8207782A
Authority
BR
Brazil
Prior art keywords
prom
deletion detector
deletion
detector
prom deletion
Prior art date
Application number
BR8207782A
Other languages
English (en)
Inventor
Anil Gercekci
Original Assignee
Motorola Inc
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
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of BR8207782A publication Critical patent/BR8207782A/pt

Links

Classifications

    • 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
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Read Only Memory (AREA)
BR8207782A 1981-07-10 1982-06-14 Detector de apagamento de prom BR8207782A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/282,196 US4394750A (en) 1981-07-10 1981-07-10 Prom erase detector
PCT/US1982/000802 WO1983000254A1 (en) 1981-07-10 1982-06-14 Prom erase detector

Publications (1)

Publication Number Publication Date
BR8207782A true BR8207782A (pt) 1983-06-21

Family

ID=23080473

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8207782A BR8207782A (pt) 1981-07-10 1982-06-14 Detector de apagamento de prom

Country Status (9)

Country Link
US (1) US4394750A (pt)
EP (1) EP0083626B1 (pt)
JP (1) JPS58501098A (pt)
BR (1) BR8207782A (pt)
CA (1) CA1182217A (pt)
DE (1) DE3279817D1 (pt)
IT (1) IT1148973B (pt)
SG (1) SG86391G (pt)
WO (1) WO1983000254A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887239A (en) * 1985-03-04 1989-12-12 Lattice Semiconductor Corporation One-time programmable data security system for programmable logic device
FR2786911A1 (fr) * 1998-12-02 2000-06-09 St Microelectronics Sa Memoire eeprom securisee comportant des moyens de detection d'effacement par uv
US9263937B2 (en) * 2013-12-11 2016-02-16 Monolithic Power Systems, Inc. Short protection circuit for power switch and associated protection method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5193638A (pt) * 1975-02-14 1976-08-17
FR2311360A1 (fr) * 1975-05-13 1976-12-10 Innovation Ste Int Systeme pour memoriser des donnees de maniere confidentielle au moyen d'objets portatifs electroniques comportant un circuit de memorisation des erreurs de code confidentiel
DE2828855C2 (de) * 1978-06-30 1982-11-18 Siemens AG, 1000 Berlin und 8000 München Wortweise elektrisch umprogrammierbarer, nichtflüchtiger Speicher sowie Verfahren zum Löschen bzw. Einschreiben eines bzw. in einen solchen Speicher(s)
JPS5693363A (en) * 1979-12-04 1981-07-28 Fujitsu Ltd Semiconductor memory

Also Published As

Publication number Publication date
US4394750A (en) 1983-07-19
IT8248708A0 (it) 1982-06-25
EP0083626B1 (en) 1989-07-12
SG86391G (en) 1991-11-22
WO1983000254A1 (en) 1983-01-20
DE3279817D1 (en) 1989-08-17
IT1148973B (it) 1986-12-03
JPS58501098A (ja) 1983-07-07
CA1182217A (en) 1985-02-05
EP0083626A1 (en) 1983-07-20
EP0083626A4 (en) 1986-08-21
JPS6364840B2 (pt) 1988-12-13

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