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US3767945A
Expired / Lapsed
US
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Circuit and construction of semiconductor storage elements
Assignee: Siemens AG
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Filing: 1972-02-02
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Granted: 1973-10-23
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Expires: 1992-02-02
Abstract
Abstract A flip flop circuit and structure with integrated semiconductor storage element for dynamic technique with two field-effect transistors of the flip flop.
Inventors
- 👤 K Goser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:39
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/353; H03K3/356; H03K3/356069; G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40; G11C11/401; G11C11/402; G11C11/4023; H10; H10D; H10D84/00; H10D84/80; H10D84/811; H10D84/813; H10D84/82; H10D84/83; H10D86/00; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
60 words
A bistable multivibrator switching circuit for a storage element comprising a pair of switching transistors interconnected in a flip-flop array with crossover paths, a transfer transistor in each crossover path having their gate electrodes directly connected with each other, and a load capacitor in each crossover path, said circuit being arranged to be connected to a source of pulse voltage.
Claim 2
Dependent Claim
60 words
A bistable multivibrator switching circuit for a storage element comprising a pair of switching transistors interconnected in a flip-flop array with crossover paths, a transfer transistor in each crossover path having their gate electrodes directly connected with each other, and a load capacitor in each crossover path, said circuit being arranged to be connected to a source of pulse voltage.
Claim 3
Dependent Claim
19 words
A bistable multivibrator switching circuit according to claim 1 in which said switching transistors are insulated gate field-effect transistors.
Claim 4
Dependent Claim
19 words
A bistable multivibrator switching circuit according to claim 1 in which said transfer transistors are insulated gate field-effect transistors.
Claim 5
Dependent Claim
120 words
A flip-flop storage element comprising a pair of insulated gate field-effect transistors for switching, a ballast capacitor connected in series with the channel of each of said switching transistors respectively, a source of voltage pulses connected across each of said series connected capacitor-transistor channels, an electric path between the gate of each of said switching transistors and a point between the channel of the other of switching transistors and its series connected capacitor, an transfer field-effect transiStor in each of said electric paths, the gates of said transfer transistors being directly connected to each other and to one side of said pulse source, and a capacitor connected between each of said electric paths and the other side of said source.
Claim 6
Dependent Claim
120 words
A flip-flop storage element comprising a pair of insulated gate field-effect transistors for switching, a ballast capacitor connected in series with the channel of each of said switching transistors respectively, a source of voltage pulses connected across each of said series connected capacitor-transistor channels, an electric path between the gate of each of said switching transistors and a point between the channel of the other of switching transistors and its series connected capacitor, an transfer field-effect transiStor in each of said electric paths, the gates of said transfer transistors being directly connected to each other and to one side of said pulse source, and a capacitor connected between each of said electric paths and the other side of said source.
Claim 7
Dependent Claim
49 words
A flip-flop storage element according to claim 4 in which a pair of access insulated gate field-effect transistors have their respective channels connected between digit lines respectively and said points respectively, and in which the gates of said access transistors are connected to access lines of a storage memory.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |