ESD protection circuits

Details ESD protection circuits ESD protection circuits

1996-12-23

2000-02-15

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327314, 327328, 361 56, 361 91, H02H 904

Patent

active

060257466

ABSTRACT:
Electro-static-discharge (ESD) protection circuits are supplied for inhibiting the destruction of buffers, drivers, logic and memory cells in Metal-Oxide-Semiconductor (MOS) devices such as a CMOS device including Static-Random-Access-Memory (SRAM). This is accomplished by tiering diodes adjacent the input of the chip and in certain specific areas internally of the chip (e.g. power supplies etc.) providing bidirectional diode protection from over-voltage.

REFERENCES:
patent: 4401905 (1983-08-01), Conger
patent: 5343352 (1994-08-01), Nagamine
patent: 5579200 (1996-11-01), Rajkanan et al.
patent: 5651574 (1997-07-01), Williams et al.
patent: 5672527 (1997-09-01), Lee
patent: 5793588 (1998-08-01), Jeong
Sung-Mo Kang and Yusuf Leblebici, "CMOS Digital Integrated Circuits; Analysis & Design", McGraw-Hill, 1995, pp. 480-483.

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