Apogee Semiconductor
Apogee Semiconductor is a leading provider of radiation-hardened semiconductor solutions for space, aerospace, and defense applications. The company develops high-performance microelectronics designed to withstand extreme environments, enabling mission-critical systems in the most challenging conditions.
• Supports SPI (25MHz) and I²C (1MHz) / SMBUS
• Interface rail (VCCI) and Port rail (VCCP)
operating from 1.4V to 5.5V
• Level Translation
• Internal power-on reset (POR)
• Open drain INTB pin to alert controller when
inputs change
• Cold sparable I/Os with zero power penalty
• Built-in triple redundancy
• TID resilience: 30krad (Si) and 300krad (Si)
variants
• SEL/SEU/SEFI immune up to LET of 75 MeV-cm²/mg
• 4 address pins yielding 16 unique I²C addresses
• 6 SEU Immune 8-bit data registers
