Mode setting circuit

Details Mode setting circuit Mode setting circuit

1997-07-18

1999-07-27

Ton, My-Trang Nu

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327328, H03K 3353

Patent

active

059296852

ABSTRACT:
A mode setting circuit for generating a mode setting signal for selecting a particular operational mode in response to an input signal from a mode setting pad. The mode setting circuit includes a driver circuit for generating a mode setting signal in response to an input voltage of a mode setting pad, a first pull-down transistor for discharging a voltage at the mode setting pad, and a second pull-down transistor for discharging the voltage at the mode setting pad in response to a signal from the driver circuit. Such mode setting circuit can prevent a misoperation which may occasionally be caused by ground noises when the mode setting pad is not coupled to the supply voltage terminal. Thus, the reliability of the manufactured goods will be increased.

REFERENCES:
patent: 5329174 (1994-07-01), Chiang
patent: 5576654 (1996-11-01), Shu et al.
patent: 5600271 (1997-02-01), Erickson et al.
patent: 5682105 (1997-10-01), Fujima

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