JPS57106234A - Logical operation circuit - Google Patents

Logical operation circuit

Info

Publication number
JPS57106234A
JPS57106234A JP55183430A JP18343080A JPS57106234A JP S57106234 A JPS57106234 A JP S57106234A JP 55183430 A JP55183430 A JP 55183430A JP 18343080 A JP18343080 A JP 18343080A JP S57106234 A JPS57106234 A JP S57106234A
Authority
JP
Japan
Prior art keywords
load
level
driving
logical
enhancement
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.)
Pending
Application number
JP55183430A
Other languages
Japanese (ja)
Inventor
Koichi Nishiuchi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP55183430A priority Critical patent/JPS57106234A/en
Priority to US06/331,290 priority patent/US4489246A/en
Priority to EP81305982A priority patent/EP0055570A3/en
Publication of JPS57106234A publication Critical patent/JPS57106234A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/0008—Arrangements for reducing power consumption

Abstract

PURPOSE:To realize a low power consumption and a high-speed operation, by connecting an enhancement and depletion transistors in parallel as load elements of a logical gate where a field effect transistor for driving and a field effect transistor for load are connected in series. CONSTITUTION:In respect to the basic circuit constitution, a parallel circuit of enhancement and depletion MOS transistors TRs T and T' for load is connected in series to a driving TRQ, and the element T' flows a slight current to raise the output level of a logical operation circuit to a high-level power source voltage VDD, and the current flowed to the element T' is limited to a low value even if the logical state for the output of the L level is satisfied, that is, the H level and the L level are applied to the gate of the driving TR and load elements T and T', respectively. The element T is a load TR for push-pull operation and enlarges a current capacity to make a transient variance high-speed. Since the load element T and the driving TR are not turned on simultaneously in the steady state, excessive power is not consumed.
JP55183430A 1980-12-24 1980-12-24 Logical operation circuit Pending JPS57106234A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55183430A JPS57106234A (en) 1980-12-24 1980-12-24 Logical operation circuit
US06/331,290 US4489246A (en) 1980-12-24 1981-12-16 Field effect transistor logic circuit having high operating speed and low power consumption
EP81305982A EP0055570A3 (en) 1980-12-24 1981-12-21 Logic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55183430A JPS57106234A (en) 1980-12-24 1980-12-24 Logical operation circuit

Publications (1)

Publication Number Publication Date
JPS57106234A true JPS57106234A (en) 1982-07-02

Family

ID=16135632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55183430A Pending JPS57106234A (en) 1980-12-24 1980-12-24 Logical operation circuit

Country Status (1)

Country Link
JP (1) JPS57106234A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182630A (en) * 1983-03-28 1984-10-17 モトロ−ラ・インコ−ポレ−テツド High speed drive circuit
JPH08172348A (en) * 1994-12-20 1996-07-02 Nec Miyagi Ltd Output buffer circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239354A (en) * 1975-09-23 1977-03-26 Toshiba Corp Drive circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239354A (en) * 1975-09-23 1977-03-26 Toshiba Corp Drive circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182630A (en) * 1983-03-28 1984-10-17 モトロ−ラ・インコ−ポレ−テツド High speed drive circuit
JPH08172348A (en) * 1994-12-20 1996-07-02 Nec Miyagi Ltd Output buffer circuit

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