A Comparator-Based Rail Clamp

A Comparator-Based Rail Clamp

A comparator-based rail clamp for handling electrostatic discharge (ESD) events is presented. The new circuit technique allows the use of a time constant that can be much smaller than a traditional RC and inverter-based clamp. The new clamp is more area-efficient and dissipates ESD events with littl...

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Veröffentlicht in:IEEE transactions on very large scale integration (VLSI) systems 2016-04, Vol.24 (4), p.1493-1502
Hauptverfasser: Venkatasubramanian, Ramachandran, Oertle, Kent, Ozev, Sule
Format: Artikel
Sprache:eng
Schlagworte:
Capacitors
Circuits
Clamps
CMOS integrated circuits
Design engineering
Dissipation
electrostatic discharge (ESD)
Electrostatic discharges
ESD protection design
Inverters
rail clamp
Rails
Residual energy
Resistors
Transistors
Very large scale integration
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Beschreibung
Zusammenfassung:A comparator-based rail clamp for handling electrostatic discharge (ESD) events is presented. The new circuit technique allows the use of a time constant that can be much smaller than a traditional RC and inverter-based clamp. The new clamp is more area-efficient and dissipates ESD events with little residual energy. The design is able to support applications with power-ON time slower than 4 μs, is immune to latch-ON, and recovers very quickly if falsely triggered. Experimental results and performance comparisons with the traditional circuit are presented.
ISSN:1063-8210
1557-9999
DOI:10.1109/TVLSI.2015.2446460