CA984014A - Memory driver circuit with thermal protection - Google Patents

Memory driver circuit with thermal protection

Info

Publication number
CA984014A
CA984014A CA156,547A CA156547A CA984014A CA 984014 A CA984014 A CA 984014A CA 156547 A CA156547 A CA 156547A CA 984014 A CA984014 A CA 984014A
Authority
CA
Canada
Prior art keywords
driver circuit
thermal protection
memory driver
memory
thermal
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
CA156,547A
Other versions
CA156547S (en
Inventor
Warwick R. Abbott
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems 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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA984014A publication Critical patent/CA984014A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
    • H03K17/665—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only
    • H03K17/666—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K2017/0806—Modifications for protecting switching circuit against overcurrent or overvoltage against excessive temperature
CA156,547A 1971-12-13 1972-11-15 Memory driver circuit with thermal protection Expired CA984014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20725171A 1971-12-13 1971-12-13

Publications (1)

Publication Number Publication Date
CA984014A true CA984014A (en) 1976-02-17

Family

ID=22769783

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,547A Expired CA984014A (en) 1971-12-13 1972-11-15 Memory driver circuit with thermal protection

Country Status (5)

Country Link
JP (1) JPS4866746A (en)
CA (1) CA984014A (en)
DE (1) DE2260997A1 (en)
FR (1) FR2163539B1 (en)
GB (1) GB1402299A (en)

Also Published As

Publication number Publication date
FR2163539B1 (en) 1976-08-20
GB1402299A (en) 1975-08-06
AU4897972A (en) 1974-05-23
DE2260997A1 (en) 1973-06-20
JPS4866746A (en) 1973-09-12
FR2163539A1 (en) 1973-07-27

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