High current static MOS output buffer circuit for power-down mod

Details High current static MOS output buffer circuit for power-down mod High current static MOS output buffer circuit for power-down mod

1980-01-07

1983-05-31

Punter, William H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307583, 365227, H03K 1704, H03K 17687, G01C 800

Patent

active

043862861

ABSTRACT:
A static push-pull driver circuit employs an enhancement mode transistor and a low threshold "natural" transistor as its push-pull output, and two parallel gating transistors in the driver circuit for the low-threshold transistor. One of the gating transistors is also a low-threshold natural transistor, and the other is a much smaller depletion mode transistor. The depletion transistor may be formed in the channel area of the other gating transistor by an ion implant. The common gate of the two gating transistors is connected to a chip select signal.

REFERENCES:
patent: 3541543 (1970-11-01), Crawford et al.
patent: 4051388 (1977-09-01), Inukai
Delahanty et al., "Depletion-Mode FET Load Devices Switched with Positive Signal Voltage", IBM Tech. Disc. Bull., 12/76, p. 2612.
Scarpero, Jr., W. J., "Field-Effect Transistor Bidirectional Driver Control Circuit", IBM Tech. Disc. Bull., 1/74, pp. 307/751.
Craig et al., "Cross-Coupled FET Driver Circuit", IBM Tech. Disc. Bull., 5/75, p. 3538.

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