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Apogee Semiconductor AP54RHC04 Radiation Hardened Hex Inverters are members of the AP54RHC logic family operating across a 1.65V to 5.5V voltage supply range. These hex inverters are fabricated in a 180nm CMOS process utilizing proprietary radiation-hardening techniques, delivering high resiliency to Single Event Effects (SEE). A proprietary output stage and robust Power On Reset (POR) circuit allow the AP54RHC04 to be cold-spared in any redundant configuration with no static power loss. The AP54RHC04 hex inverters support zero-power penalty cold-sparing and class 2 ESD protection on all inputs and outputs.
The AP54RHC04 radiation-hardened hex inverters feature built-in triple redundancy for enhanced reliability, logic-level down translation to VCC, and TID resilience of 30krad (Si). These inverters also feature a 17ns propagation delay time and operate between -55°C to 125°C extended operating temperature range. The AP54RHC04 radiation-hardened hex inverters provide four instances of the boolean logic function. These AP54RHC04 radiation-hardened hex inverters are ideally used in LEO constellations, small satellites, and medical imaging.
