MAX7705

19-0151; Rev 0; 6/93 µP Power-Supply Monitor with Reset _______________General Description In applications with microprocessors (µPs) that have a RESET input, the MAX7705 is functionally and socket compatible with the TL7705, but requires no external components. It provides power-supply glitch immunity and a guaranteed power-up reset delay, while typically consuming 1/27th the power from a +5V supply. The MAX7705 monitors the power supply in µP and digital systems. The RESET output is valid for VCC down to 1V. The device offers excellent circuit reliability and low cost by eliminating external components and adjustments. A system reset is provided during power-up, powerdown, and brownout conditions. When VCC is below the reset threshold, RESET is low and holds the µP in reset. RESET will go high 280ms after VCC rises above the reset threshold. The MAX7705 is available in 8-pin DIP and SO packages. FEATURE MAX7705 0 65µA 35µA Yes Yes TL7705 3 1.8mA 1.8mA No No ____________________________Features o No External Components o Low Cost o Precise Reset Threshold o 280ms Power-On Reset Delay o 8-Pin DIP and SO Packages MAX7705 ______________Ordering Information PART MAX7705CPA MAX7705CSA MAX7705C/D MAX7705EPA MAX7705ESA TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 8 Plastic DIP 8 SO Dice* 8 Plastic DIP 8 SO No. of External Components Required Operating Supply Current Power-Supply Glitch Immunity Guaranteed Minimum Reset Delay +5V ...