Static information storage and retrieval – Read/write circuit – Flip-flop used for sensing
Patent
1981-07-08
1983-04-05
Hecker, Stuart N.
Static information storage and retrieval
Read/write circuit
Flip-flop used for sensing
365208, 307530, G11C 706
Patent
active
043793452
ABSTRACT:
A dynamic read amplifier for MOS memories comprises a flip-flop which includes two first switching transistors whose low end can be applied to ground by way of a cut-through transistor in response to a first clock pulse and whose outputs are connected to data lines via cut-off transistors which are controlled by a second clock pulse, whereby the data lines can be charged to the supply voltage by way of a pair of charging transistors in response to a third clock pulse. Given such dynamic read amplifiers for semiconductor memories, the regeneration of a logic "1" level, for example, is possible after an evaluation operation without additional leakage power. Therefore, two additional switching transistors and two further charging transistors are provided, as well as two additional data lines, so that only the respective data line with the logic "1" signal is connected to the supply voltage. By so doing, even given dynamic read amplifiers, the read logic "1" signal can again be completely regenerated and, at the same time, the switching time for the data is reduced.
REFERENCES:
patent: 4060740 (1977-11-01), Nishimura
patent: 4077031 (1978-02-01), Kitagawa et al.
patent: 4110841 (1978-08-01), Schroeder
patent: 4170741 (1979-10-01), Williams
Hecker Stuart N.
Siemens Aktiengesellschaft
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