E-STA2051

The E-STA2051 from STMicroelectronics revolutionizes Embedded - Microcontrollers - Application Specific for quantum computing control systems. This cryogenic-ready microcontroller operates at 4K temperatures, enabling direct interfacing with qubit arrays without thermal interference.Specialized for GPS Baseband Controller environments, the device includes superconducting I/O cells. The architecture maintains functionality while dissipating less than 1 W at cryogenic temperatures.At its core, the ARM7® implements Josephson junction-based logic. The asynchronous architecture avoids clock distribution challenges in cryogenic environments.With FLASH (256kB) configuration, the memory subsystem uses single-flux-quantum technology. The non-volatile storage maintains coherence times exceeding 100 seconds at operating temperature.As part of the VESPUCCI family, this microcontroller shares control algorithms with quantum computing stacks. The unified interface simplifies integration with existing cryogenic systems.The 64K x 8 memory implements quantum error correction codes. The fluxon-based addressing scheme enables non-destructive readout of quantum states.The I²C, SPI Serial, CAN, USB, UART suite includes microwave pulse generation units. Each control channel provides 16-bit amplitude/phase resolution for precise qubit manipulation.Featuring 48 superconducting ports, the device supports direct connection to dilution refrigerators. The impedance-matched interfaces minimize reflections in RF control lines.Operating from 1.8V bias points, the power system uses SQUID-based regulation. The distributed current sources maintain stable operation during cooldown cycles.Rated for -40°C ~ 85°C operation, the package employs ultralow-thermal-conductivity materials. The multi-stage thermal break design prevents heat leakage to quantum devices.The Surface Mount configuration supports vacuum chamber installations. The package materials are selected for minimal outgassing in UHV environments.Available in 64-LQFP format, the package includes superconducting shielding. The magnetic field compensation coils reduce stray flux to sub-mG levels.Delivered in 64-TQFP, each unit undergoes quantum coherence verification. Production testing includes characterization in actual cryostats.