Digital semiconductor integrated circuit and digital control sys

Details Digital semiconductor integrated circuit and digital control sys Digital semiconductor integrated circuit and digital control sys

1990-03-01

2000-02-22

Kulik, Paul V.

Boots, shoes, and leggings

36443112, 364DIG2, 3649256, 364926, 395775, G06F 1578

Patent

active

060290072

ABSTRACT:
A digital semiconductor integrated circuit is equipped with: a digital signal input circuit; an analog signal input circuit made receptive of an analog signal for feeding out a digital signal corresponding to the analog signal; and a common external terminal connected commonly with the input terminals of the digital signal input circuit and the analog signal input circuit. By a suitable switch circuit, the common external terminal can be used as either an analog signal input terminal or a digital signal input terminal. As a result, the number of the external output terminals required can be reduced.

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