Electrical pulse counters – pulse dividers – or shift registers: c – Shift register – Shift direction control
Patent
1985-05-10
1986-11-18
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Shift register
Shift direction control
307242, G11C 1928
Patent
active
046240063
ABSTRACT:
A bidirectional shift register includes a plurality of serially connected cells with each cell having a first circuit portion and a second circuit portion. Each circuit portion includes at least two parallel inverters connected in opposite directions. The relative transconductance of the oppositely connected inverters in each circuit portion of a cell can be varied thereby determining the direction of data flow through the circuit portion and through the bidirectional shift register.
REFERENCES:
patent: 3584308 (1971-06-01), Neu
patent: 3769525 (1973-10-01), Foss et al.
patent: 4154978 (1979-05-01), Tu
Redfern Thomas P.
Rempfer William C.
Heyman John S.
Linear Technology Corporation
Ohralik K.
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