Electronic digital logic circuitry – Tri-state – With field-effect transistor
Patent
1999-03-24
2000-08-01
Santamauro, Jon
Electronic digital logic circuitry
Tri-state
With field-effect transistor
326 68, 326 83, H03K 190948
Patent
active
060972130
ABSTRACT:
Switching circuit comprising a reference voltage, an input voltage, suitable to assume alternatively a negative value or a value equal to said reference voltage, an output node, suitable to assume selectively three possible voltage values equal to a supply voltage, to the reference voltage, to the input voltage or, alternatively, to be kept floating, in response to a first, a second, a third, a fourth, a fifth, a sixth control logic signal, switching between the supply voltage and the reference voltage.
REFERENCES:
patent: 5054001 (1991-10-01), Guillot
patent: 5302870 (1994-04-01), Chern
patent: 5869984 (1999-02-01), Eto
Ghilardelli Andrea
Golla Carla Maria
Zammattio Matteo
Zanardi Stefano
Galanthay Theodore E.
Santamauro Jon
STMicroelectronics S.r.l.
Tarleton E. Russell
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