The MAX706ESA from Analog Devices / Maxim Integrated is a supervisor IC designed for power-on reset functions. It operates at 4.4V and provides an active low reset signal.
The Analog Devices MAX706ESA+T is a supervisor IC designed for power monitoring in microprocessor systems. It features a 4.4V threshold voltage and an active low reset output.
The ADM709MAR is a power supply monitor IC from Analog Devices designed to generate a system reset during power-up, power-down, and brownout conditions. It features a 4.4V reset threshold and a 140ms minimum power-on reset pulse.
The STMicroelectronics STM692AM6E is a supervisor IC designed for power management applications. It monitors a single voltage and provides an active low reset signal.