System und Verfahren zur Handhabung von E/a-Zellenstrominjektionsfehlern
Anmelder: NXP USA, Inc. 🇺🇸
Details
- Veröffentlichungs-Nr.
- EP4761114
- Anmeldetag
- 9. Dezember 2025
- Veröffentlichung
- 17. Juni 2026
- Rechtsraum
- EP
- IPC
- H03K19/003, H03K19/0185
Abstract
An integrated circuit is provided with a signal node/IO pad in an output buffer that is protected by a current injection protection circuit which includes first and second comparators connected between a first voltage supply and a second voltage supply to generate first and second control signals in response to, respectively, a positive or negative injected current at the signal node, and which also includes a pre-driver stack of transistors which generate, respectively, a positive gate control signal and negative gate control signal, and which also includes a multiplex selection circuit connected to output the positive gate control signal and negative gate control signal to the output buffer to clamp signal node to a first clamped voltage if a voltage on the signal node exceeds the first supply voltage or to a second clamped voltage if a voltage on the signal node falls below the second supply voltage.
Anmelder
- Firma
- NXP USA, Inc.
- Land
- 🇺🇸 USA
US-amerikanische Gesellschaft des Halbleiterkonzerns NXP, die Chips und Halbleiterlösungen für Automobiltechnik, Kommunikation und Industrieelektronik entwickelt.
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