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SILICON CONTROLLED RECTIFIER ELECTROSTATIC DISCHARGE PROTECTION DEVICE WITH EXTERNAL ON-CHIP TRIGGERING AND COMPACT INTERNAL DIMENSIONS FOR FAST TRIGGERING
SILICON CONTROLLED RECTIFIER ELECTROSTATIC DISCHARGE PROTECTION DEVICE WITH EXTERNAL ON-CHIP TRIGGERING AND COMPACT INTERNAL DIMENSIONS FOR FAST TRIGGERING
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机译:带有外部片上触发和紧凑内部尺寸的硅控制整流器静电放电保护装置,可快速触发
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摘要
A silicon controlled rectifier electrostatic discharge protection circuit with external on-chip triggering and compact internal dimensions for fast triggering. The ESD protection circuit includes a silicon controlled rectifier (SCR) (202) having an anode (122) coupled to the protected circuitry and a cathode (124) coupled to ground, where the cathode has at least one high-doped region (312m). At least one trigger-tap (401) is disposed proximate to the at least one high-doped region and an external on-chip triggering device (205) is coupled to the trigger-tap and the protected circuitry.
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