NXP Interface products encompass a variety of high-performance devices, including a comprehensive UART portfolio, innovative PCI Express devices, and new generation bridges. The NXP LM75B temperature sensor is a temperature-to-digital converter using an on-chip band gap temperature sensor and Sigma-Delta A-to-D conversion technique with an overtemperature detection output. Other high-performance NXP Interface devices include the PCA9555 CMOS device, the P82B96 bipolar IC, the PCF8576 peripheral device for LCD, the PCF8563 real-time clock/calendar, the SA636 monolithic FM IF system, the PCF8574 CMOS circuit for remote I/O expansion of MCU families, and the SC28L92 DUART.