Configurable input buffer dependent on supply voltage

Details Configurable input buffer dependent on supply voltage Configurable input buffer dependent on supply voltage

1994-12-12

1995-12-19

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

Having selection between plural continuous waveforms

327407, 370112, 326 31, 326 81, 326 34, H03K 19003, H03K 17693

Patent

active

054771722

ABSTRACT:
An input buffer is described which is configurable depending on whether a 5.0 or 3.3 volt supply voltage is present, The input buffer includes two input buffer circuits. The output of a first input buffer circuit is output as valid data when the supply voltage VCC equals 5.0 volts. The output of the second input buffer circuit is output as valid data when the supply voltage VCC equals 3.3 volts.

REFERENCES:
patent: 4755704 (1988-07-01), Flora et al.
patent: 5248906 (1993-09-01), Mahmood
patent: 5295174 (1994-03-01), Shimuzu
patent: 5321319 (1994-06-01), Mahmood
patent: 5426378 (1995-06-01), Ong

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