The IMP1233M supply voltage monitor is an improved, low-power replacement for the Dallas Semiconductor DS1233M. Maximum supply current over temperature is a low 20µA, representing 60 percent lower power as compared to the DS1233M.

Key Features

◆ Improved Dallas DS1233M replacement

— 60 lower maximum supply current

◆ Low Supply Current

— 20µA maximum (5.5V)

— 15µA maximum (3.6V)

◆ Automatically restarts a microprocessor after

power failure

◆ 350ms reset delay after VCC returns to an

in-tolerance condition

◆ Active LOW power-up reset, 5kΩ internal pull-up

◆ Precision temperature-compensated voltage

reference and comparator

◆ Eliminates external components

◆ Pin function compatible with the Motorola

MC33064, MC34064, MC33164 and MC34164

◆ Motorola 68xxx and HC16 compatible

◆ Compact surface mount SO-8 package

◆ Operating temperature –40°C to +85°C

Applications

◆ Set-top boxes

◆ Cellular phones

◆ PDAs

◆ Energy management systems

◆ Embedded control systems

◆ Printers

◆ Single board computers