| 摘要 |
A binarily programmable IC output pad driver includes a pair of FET drivers, one of which is always drivingly connected to the chip output pad. A second driver is selectively connected to the pad for driving the same in concert with the first driver in order to increase signal transition speed on the output pad. With both drivers driving, noise on the output pad increases and, if the particular application is effected by the increased noise level, signals applied to input pads on the chip disconnect the second driver to reduce pad noise.
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