Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1994-10-19
1996-01-23
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
327 66, 327185, 327563, 326 57, 365208, H03F 345, G06G 712
Patent
active
054867800
ABSTRACT:
A tristateable sense amplifier, for driving a bus directly with minimal size devices, includes a control transistor coupled to a reference voltage terminal and having a control electrode receiving a first control signal. A first series circuit includes a first transistor of a first channel type and a second transistor of opposite channel type coupled between the control transistor and a supply voltage terminal. A control electrode of the second transistor receives a first input signal and the second transistor generates a first output signal. A second series circuit includes a third transistor of the first channel type and a found transistor of the opposite channel type coupled between the control transistor and the supply terminal. A second input signal is coupled to the control electrode of the fourth transistor. A fifth transistor of the first channel type is coupled between the voltage supply terminal and the control electrodes of the first channel type transistors and has a control electrode coupled to receive a second control signal. A sixth transistor of the first channel type is coupled between the control electrodes of the first channel type transistors and a junction of the third and fourth transistors and has a control electrode coupled to receive a third control signal.
REFERENCES:
patent: 4309630 (1982-01-01), Young, Jr.
patent: 4410858 (1983-10-01), Kusakabe
patent: 4791324 (1988-12-01), Hodapp
patent: 5034636 (1991-07-01), Reis et al.
patent: 5229666 (1993-07-01), Sandhu
Brady III Wade James
Callahan Timothy P.
Donaldson Richard L.
Englund Terry
Kempler William B.
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