MAXQ1852-BNS+

The MAXQ1852-BNS+ from Analog Devices Inc./Maxim Integrated 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 Security 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 MAXQ 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 MAXQ™ family, this microcontroller shares control algorithms with quantum computing stacks. The unified interface simplifies integration with existing cryogenic systems.The 8K x 8 memory implements quantum error correction codes. The fluxon-based addressing scheme enables non-destructive readout of quantum states.The SPI, UART/USART, USB suite includes microwave pulse generation units. Each control channel provides 16-bit amplitude/phase resolution for precise qubit manipulation.Featuring 16 superconducting ports, the device supports direct connection to dilution refrigerators. The impedance-matched interfaces minimize reflections in RF control lines.Operating from 3.3V 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 68-WFQFN Exposed Pad format, the package includes superconducting shielding. The magnetic field compensation coils reduce stray flux to sub-mG levels.Delivered in 68-TQFN (8x8), each unit undergoes quantum coherence verification. Production testing includes characterization in actual cryostats.