Maxim Integrated DS1706
3.3V and 5.0V MicroMonitor
FEATURES
● Halts and restarts an out-of-control microprocessor● Holds microprocessor in check during power transients
● Automatically restarts microprocessor after power failure
● Monitors pushbutton for external override
● Accurate 5%, 10% or 20% resets for 3.3V systems and 5% or 10% resets for 5.0V systems
● Eliminates the need for discrete components
● 3.3V 20% tolerance for use with 3.0V systems
● Pin-compatible with the MAXIM MAX705/MAX706 in 8-pin DIP, 8-pin SOIC, and -SOP
● 8-pin DIP, 8-pin SOIC and 8-pin -SOP packages
● Industrial temperature range -40C to +85C PIN ASSIGNMENT PBRST 1 8 WDS VCC GND 2 3 7 RST 6 ST IN 4 5 NMI 8-Pin DIP (300 -mil) PBRST 18 WDS VCC GND 27 36 RST(*RST) ST IN 45 NMI 8-Pin SOIC (150-mil) RST(*RST) WDS PBRST VCC 1 2 3 4 8 ST 7 NMI 6 IN 5 GND 8-Pin -SOP (118-mil) See Mech. Drawings Section on website DS1705 and DS1706_