Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1997-01-08
1999-02-09
Le, Dinh
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327530, 327539, 327538, 323313, 323315, 365226, G05F 316, G05F 320
Patent
active
058699970
ABSTRACT:
In an intermediate potential generating circuit provided in a DRAM, a reference potential generating circuit includes two combinations of a resistor element constituted by a P channel MOS transistor and a diode constituted by an N channel MOS transistor, and outputs a reference potential Vcc/2+Vthn. A charging circuit constituted by an N channel MOS transistor charges an output node to an intermediate potential Vcc/2 based on the reference potential. A discharging circuit includes one combination of a resistor element constituted by a P channel MOS transistor and a diode constituted by an N channel MOS transistor, and provides a prescribed current flowing from the output node. Reduction of supply voltage Vcc becomes possible by eliminating a diode constituted by a P channel MOS transistor which makes reduction of a threshold voltage Vthp difficult.
REFERENCES:
patent: 5361000 (1994-11-01), Koshikawa et al.
Le Dinh
Mitsubishi Denki & Kabushiki Kaisha
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