ESD protection circuits

Details ESD protection circuits ESD protection circuits

1999-01-11

2000-02-22

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327325, 361 56, H03K 508

Patent

active

06028465&

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:
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patent: 5034845 (1991-07-01), Murakami
patent: 5124578 (1992-06-01), Worley et al.
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patent: 5287241 (1994-02-01), Puar
patent: 5654574 (1997-08-01), Williams et al.
Sung-Mo Kang and Yusuf Leblebici, "CMOS Digital Integrated Circuits; Analysis & Design", McGraw-Hill, 1995, pp. 480-483.

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