Semiconductor integrated circuit device with a protective circui

Details Semiconductor integrated circuit device with a protective circui Semiconductor integrated circuit device with a protective circui

1987-04-13

1989-08-22

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

361 91, 361111, 307111, 3072001, H02H 324

Patent

active

048601489

ABSTRACT:
A semiconductor integrated circuit device is provided with an input and/or an output terminal and at least one semiconductor device. The circuit has a resistor provided between the input terminal and/or the output terminal and one of the at least one semiconductor devices and an electronic switch connected in parallel with the resistor. The electronic switch is on-off controlled so as to exhibit a relatively low impedance when the semiconductor device is in operation and a relatively high impedance when the semiconductor device is not in operation. Thus, the semiconductor integrated circuit device is operable at a higher speed with an improved reliability and/or with controllable response characteristics, as compared with the conventional device.

REFERENCES:
patent: 4086642 (1978-04-01), Yoshida et al.
patent: 4288829 (1981-09-01), Tango
patent: 4456939 (1984-06-01), Ozaki et al.
patent: 4517618 (1985-05-01), Frank
patent: 4527213 (1985-07-01), Ariizumi
patent: 4533970 (1985-08-01), Brown
patent: 4555741 (1985-11-01), Masaki
patent: 4594630 (1986-06-01), Rabinowitz et al.

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