Circuit to improve electrostatic discharge protection

Details Circuit to improve electrostatic discharge protection Circuit to improve electrostatic discharge protection

1987-07-23

1991-05-28

Mintel, William

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

357 51, 357 2313, 357 238, 357 43, 361212, H01L 2702

Patent

active

050198882

ABSTRACT:
An output buffer (26) comprises a plurality of transistors (28) arranged in parallel between an output pin (34) and ground (38). Resistors (30) are connected in series between the drain (30) of the transistors (28) and the output pin (34) to ensure that an electrostatic discharge generated through normal handling will be distributed substantially equally through each of the transistors (28), thus preventing damage to the output buffer (26).

REFERENCES:
patent: 4342045 (1982-07-01), Kim
patent: 4641173 (1987-02-01), Malhi et al.
patent: 4654865 (1987-03-01), Sunazuka et al.
patent: 4656491 (1987-04-01), Igarashi
patent: 4675715 (1987-06-01), Lepselter et al.
patent: 4686551 (1987-08-01), Mihara
patent: 4689655 (1987-08-01), Sonnenberger
Murarka, "Refractory Silicides for Integrated Circuits", J. Vac. Sci. Technol., 17(4), Jul./Aug. 1980, pp. 776-792.

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