KK1232 Datasheet | Kodenshi AUK Group

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. ORDERING INFORMATION KK1232N Plastic KK1232D SOIC TA = -40° to 85° C for all packages. The chip contains reference voltage source, analog parator, Watchdog timer, circuit for monitoring power supply deviation accuracy. . PBRST 01 08 Vcc 07 06 05 ST RST RST Functions: - - - Reset signal generation after power failure/ error Reset signal generation from external “RESET” pushbutton Reset signal generation from watchdog timer TD TOL 02 03 GND 04 Fig 1 - PIN ASSIGNMENT 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 °С °С .. Table 2 - Remended operating conditions Symbol VСС VIH VIL ТA Parameter Supply voltage Input voltage, high level Input voltage, low level Operating temperature range Typical Min 4.5 2.0 -0.3 -20 Max 5.5 UСС+0.3 0.8 +70 Units V V V °С Table 3 DC electrical characteristics (TAmb = -40° to +85°С) Symbol ILIL1 ILIL2 ILIL3 ILIH1 ILIH2 IOH IOL VOH VOH1 VOL Parameter Input leakage current, low level, ST, TOL Input leakage current, low level, TD Input leakage current, low level, PBRST Input leakage current, high level, ST, TOL Input leakage current, high level, TD Output current, high level, RST Output current, low level, RST, RST Output voltage, high level, RST Output voltage, high level,- RST Output voltage, low level, RST Operating current VCC trip point VCC trip point Test conditions VCC=5 V±10%, VIL=0 V VCC=5 V±10%, VIL=0 V VCC=5 V±10%, VIL=0 V VCC =5 V±10%, VIH=VCC VCC =5 V±10%, VIH=VCC VCC =5 V±10%, VOH=2.4 V VCC =5 V±10%, VOL=0.4 V VCC =5 V±10%, IOH= -500 µА VCC =2 V, IOH= -500 µА VCC =2 V, IOL=1 mА VCC =5...