IN1232

w U 4 t POWER SUPPLY CONTROL e e WITH BUILT-IN WATCHDOG TIMER h S a at D is designed to monitor power supply within the system of IN1232 . reset signal generation for w microprocessors. It is used in monitor systems for controlling w various processes and entities. Packaged in 8-pin SOP or DIP. Features: Rated supply voltage 5.0 V Accurate 5% or 10% microprocessor power supply monitoring Programming of watchdog timer overflow time Generation of reset signals at power on for correct microproces sor start. m o .c TECHNICAL DATA IN1232 The chip contains reference voltage source, analog comparator, Watchdog timer, circuit for monitoring power supply deviation accuracy. . Functions: Reset signal generation after power failure/ error Reset signal generation from external “RESET” pushbutton Reset signal generation from watchdog timer Table 1 – Absolute maximum ratings Symbol VСС VIH VIL ТA Tstg Parameter Supply voltage Input voltage, high level Input voltage, low level Operating temperature range Storage temperature Typical Min -1.0 -40 -60 Max 7.0 7.0 +85 +125 Units V V V w w w t a .D S a e h U 4 t e ORDERING INFORMATION IL1232N Plastic IL1232D SOIC TA = -40° to 85° C for all packages. .c m o PBRST 01 TD TOL 02 03 08 Vcc 07 06 05 ST RST RST GND 04 Fig 1 – PIN ASSIGNMENT w w w .D a S a t e ° С e h °С U 4 t m o .c 1 IN1232 Table 2 – Recommended operating conditions Symbol VСС VIH VIL ТA Parameter Supply voltage Input voltage, high level ...