Output driver for mixed supply voltage systems

Details Output driver for mixed supply voltage systems Output driver for mixed supply voltage systems

1997-06-02

1998-09-01

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327530, 327536, H03L 500

Patent

active

058015698

ABSTRACT:
An output driver for mixed voltage systems includes an input line for receiving a signal to be output. The circuit also includes an overvoltage generator, coupled between the input line and an output stage. The overvoltage generator boosts a level of the signal to a second voltage before it reaches the output stage. A restore circuit is also provided which restores the second voltage with every transition of the input signal.

REFERENCES:
patent: 4656369 (1987-04-01), Lou
patent: 4667313 (1987-05-01), Pinkham et al.
patent: 4689495 (1987-08-01), Liu
patent: 4961171 (1990-10-01), Pinkham et al.
patent: 5128560 (1992-07-01), Chern et al.
patent: 5321324 (1994-06-01), Hardee et al.
Furutani et al., "An Adjustable Output Driver with a Self-Recovering Vpp Generator for a 4M.times.16 DRAM," IEEE Journal of Solid-State Circuits, 29:308-310 (Mar., 1994).

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