Monolithic integrated circuit having common external terminal fo

Details Monolithic integrated circuit having common external terminal fo Monolithic integrated circuit having common external terminal fo

1986-05-13

1988-04-05

Shaw, Gareth D.

Boots, shoes, and leggings

36443112, G05B 1101, G06F 1500

Patent

active

047363371

ABSTRACT:
Herein disclosed is a digital semiconductor integrated circuit which is equipped with: a digital signal input circuit; an analog signal input circuit made receptive of an analog signal for feeing out a digital signal corresponding to said analog signal; and a common external terminal connected commonly with the input terminals of said digital signal input circuit and said analog signal input circuit. By the preparation with the use of a suitable switch circuit, the aforementioned 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 for the aforementioned semiconductor integrated circuit can be reduced.

REFERENCES:
patent: 4118772 (1978-10-01), Takada
patent: 4451891 (1984-05-01), Baba
patent: 4630207 (1986-12-01), Baba
"TMS 2100 Tentative Specifications," published by Texas Instruments, Apr. 11, 1979.

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