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| MITSUMI CMOS System Reset PST37XXU CMOS System Reset Monolithic IC PST37XXU Series Outline This CMOS output type system reset IC, developed using the CMOS. Super low consumption current of 1.0A typ. (PST3709 ~ PST3719) has been achieved through use of the CMOS process. Also, detection voltage is high precision detection of 2%. Features (1) Super low consumption current (2) High precision detection voltage (3) Operating range (4) Wide operating temperature range (5) Detection voltage 1.0A typ. (when VDD = (-VDET) + 2.0V) PST3709 ~ PST3719 2% 0.7 ~ 10V -30 ~ +85C 0.9 ~ 6.0V (0.1V step) Package SC-82AB Applications (1) Microcomputer, CPU, MPU reset circuits (2) Logic circuit reset circuits (3) Battery voltage check circuits (4) Back-up circuit switching circuits (5) Level detection circuits Pin Assignment 4 3 1 2 3 4 OUT VDD NC GND 1 2 SC-82AB (TOP VIEW) MITSUMI CMOS System Reset PST37XXU Block Diagram VDD 2 + VREF GND 4 1 OUT Pin Explanations Pin No. 1 2 3 4 Pin Name OUT VDD NC GND Functions Reset Signal Output Pin VDD Pin / Voltage Detect Pin GND Pin Absolute Maximum Ratings (Ta=25C) Item Operating Temperature Storage Temperature Supply Voltage Output Voltage Output Current Power Dissipation Symbol TOPR TSTG VDD VOUT IOUT PD Rating -30 ~ +85 -40 ~ +125 12 VSS - 0.3 ~ VDD +0.3 70 150 Unit C C V V mA mW Recomended Operating Conditions Item Operating Temperature Supply Voltage Symbol TOPR VDD Rating -30 ~ +85 +0.70 ~ +10 Unit C V MITSUMI CMOS System Reset PST37XXU Electrical Characteristics (Ta=25C) Item Hysteresis Voltage Supply Current 1 Supply Current 2 VHYS (V) ISS1 (A) ISS2 (A) Test Circuit 2 Test Circuit 1 Test Circuit 1 Min. Typ. Max. Condition Typ. Max. Condition Typ. Max. 0.027 0.045 0.063 0.9 2.7 1.5 3.7 0.030 0.050 0.070 0.033 0.055 0.077 1.8 4.5 0.036 0.060 0.084 0.039 0.065 0.091 2.0 5.0 0.042 0.070 0.098 1.0 3.0 0.045 0.075 0.105 0.048 0.080 0.112 2.5 5.5 0.051 0.085 0.119 VDD = 0.054 0.090 0.126 (-VDET) 0.057 0.095 0.133 -0.10V 0.060 0.100 0.140 0.063 0.105 0.147 0.066 0.110 0.154 3.0 6.0 0.069 0.115 0.161 0.072 0.120 0.168 1.1 3.3 0.075 0.125 0.175 0.078 0.130 0.182 0.081 0.135 0.189 3.5 7.0 0.084 0.140 0.196 0.087 0.145 0.203 0.090 0.150 0.210 0.093 0.155 0.217 0.096 0.160 0.224 4.0 8.0 0.099 0.165 0.231 VDD = VDD 0.102 0.170 0.238 (-VDET) 1.2 3.6 (-VDET) 0.105 0.175 0.245 -0.13V +2.0V 0.108 0.180 0.252 0.111 0.185 0.259 4.5 9.0 0.114 0.190 0.266 0.117 0.195 0.273 0.120 0.200 0.280 0.123 0.205 0.287 0.126 0.210 0.294 5.0 10.0 VDD = 0.129 0.215 0.301 (-VDET) 0.132 0.220 0.308 -0.16V 1.3 3.9 0.135 0.225 0.315 0.138 0.230 0.322 0.141 0.235 0.329 5.5 11.0 0.144 0.240 0.336 0.147 0.245 0.343 0.150 0.250 0.350 0.153 0.255 0.357 0.156 0.260 0.364 6.0 12.0 0.159 0.265 0.371 0.162 0.270 0.378 VDD = 1.4 4.2 0.165 0.275 0.385 (-VDET) 0.168 0.280 0.392 -0.20V 0.171 0.285 0.399 6.5 13.0 0.174 0.290 0.406 0.177 0.295 0.413 0.180 0.300 0.420 Product Name PST3709 PST3710 PST3711 PST3712 PST3713 PST3714 PST3715 PST3716 PST3717 PST3718 PST3719 PST3720 PST3721 PST3722 PST3723 PST3724 PST3725 PST3726 PST3727 PST3728 PST3729 PST3730 PST3731 PST3732 PST3733 PST3734 PST3735 PST3736 PST3737 PST3738 PST3739 PST3740 PST3741 PST3742 PST3743 PST3744 PST3745 PST3746 PST3747 PST3748 PST3749 PST3750 PST3751 PST3752 PST3753 PST3754 PST3755 PST3756 PST3757 PST3758 PST3759 PST3760 Detecting Voltage -VDET (V) Test Circuit 2 Min. Typ. Max. 0.882 0.900 0.918 0.980 1.000 1.020 1.078 1.100 1.122 1.176 1.200 1.224 1.274 1.300 1.326 1.372 1.400 1.428 1.470 1.500 1.530 1.568 1.600 1.632 1.666 1.700 1.734 1.764 1.800 1.836 1.862 1.900 1.938 1.960 2.000 2.040 2.058 2.100 2.142 2.156 2.200 2.244 2.254 2.300 2.346 2.352 2.400 2.448 2.450 2.500 2.550 2.548 2.600 2.652 2.646 2.700 2.754 2.744 2.800 2.856 2.842 2.900 2.958 2.940 3.000 3.060 3.038 3.100 3.162 3.136 3.200 3.264 3.234 3.300 3.366 3.332 3.400 3.468 3.430 3.500 3.570 3.528 3.600 3.672 3.626 3.700 3.774 3.724 3.800 3.876 3.822 3.900 3.978 3.920 4.000 4.080 4.018 4.100 4.182 4.116 4.200 4.284 4.214 4.300 4.386 4.312 4.400 4.488 4.410 4.500 4.590 4.508 4.600 4.692 4.606 4.700 4.794 4.704 4.800 4.896 4.802 4.900 4.998 4.900 5.000 5.100 4.998 5.100 5.202 5.096 5.200 5.304 5.194 5.300 5.406 5.292 5.400 5.508 5.390 5.500 5.610 5.488 5.600 5.712 5.586 5.700 5.814 5.684 5.800 5.916 5.782 5.900 6.018 5.880 6.000 6.120 MITSUMI CMOS System Reset PST37XXU Electrical Characteristics (Ta=25C) Item Output Current 2 IOUT2 (mA) Test Circuit 3 Condition Min. VDD= 0.05 0.85V VDD= 1.0V 0.2 Product Name PST3709 PST3710 PST3711 PST3712 PST3713 PST3714 PST3715 PST3716 PST3717 PST3718 PST3719 PST3720 PST3721 PST3722 PST3723 PST3724 PST3725 PST3726 PST3727 PST3728 PST3729 PST3730 PST3731 PST3732 PST3733 PST3734 PST3735 PST3736 PST3737 PST3738 PST3739 PST3740 PST3741 PST3742 PST3743 PST3744 PST3745 PST3746 PST3747 PST3748 PST3749 PST3750 PST3751 PST3752 PST3753 PST3754 PST3755 PST3756 PST3757 PST3758 PST3759 PST3760 Output Current 1 IOUT1 (mA) Test Circuit 3 Condition Min. Typ. Typ. 0.5 Output Current 3 IOUT3 (mA) Test Circuit 4 Condition Typ. Max. 1.0 P-ch VDS = -2.1V VDD = 4.5V 1.0 2.0 N-ch VDS = 0.05V VDD = 0.7V N-ch 0.01 0.05 VDS = 0.5V VDD = 1.5V 1.0 2.0 P-ch VDS = -2.1V VDD = 8.0V 1.5 3.0 MITSUMI CMOS System Reset PST37XXU Electrical Characteristics Threshold Operating Voltage1 VDDL1 (V) Test Circuit 2 Condition Typ. Max. Item Threshold Operating Voltage2 VDDL2 (V) Test Circuit 2 Condition Typ. Max. Detecting Voltage Temp. Coefficient -VDET / TOPT (ppm / C) Test Circuit 2 Condition Typ. Product Name PST3709 PST3710 PST3711 PST3712 PST3713 PST3714 PST3715 PST3716 PST3717 PST3718 PST3719 PST3720 PST3721 PST3722 PST3723 PST3724 PST3725 PST3726 PST3727 PST3728 PST3729 PST3730 PST3731 PST3732 PST3733 PST3734 PST3735 PST3736 PST3737 PST3738 PST3739 PST3740 PST3741 PST3742 PST3743 PST3744 PST3745 PST3746 PST3747 PST3748 PST3749 PST3750 PST3751 PST3752 PST3753 PST3754 PST3755 PST3756 PST3757 PST3758 PST3759 PST3760 VOUT < 0.1V = 0.55 TOPT = 25C 0.70 VOUT < 0.1V = -30C < = TOPT < 85C = 0.65 0.80 -30C < = TOPT < 85C = 100 MITSUMI CMOS System Reset PST37XXU Measuring Circuit (1) ISS VDD 2 VIN PST 37XX 4 GND VIN 1 2 PST 37XX 4 GND 1 OUT VDD (2) (3) (4) VDD 2 VIN PST 37XX 4 GND IOUT 1 OUT VDS VIN 2 VDD PST 37XX 4 GND IOUT 1 OUT VDD + VDS MITSUMI CMOS System Reset PST37XXU Application Circuits VDD VDD 2 VIN PST 37XX 4 GND 1 OUT RESET Logic System We shall not be liable for any trouble or damage caused by using this circuit. In the event a problem which may affect industrial property or any other rights of us or a third party is encountered during the use of information described in these circuit, Mitsumi Electric Co., Ltd. shall not be liable for any such problem, nor grant a license therefore. VIN VDD 2 PST 37XX 4 GND Please note that there is any possibility of circuit oscillation when resistance put in the line VIN. 1 OUT Timing Chart V VHYS VDD -VDET +VDET V OUT MITSUMI CMOS System Reset PST37XXU Characteristics Detecting Voltage 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.7 0.75 Typical Performance Characteristics 0.9V Supply Current 2.0 Detecting Voltage (V) Supply Current (A) 1.5 1 0.5 0 0.8 0.85 0.9 0.95 1 0 2 4 6 8 10 Input Voltage (V) Input Voltage (V) Detecting Voltage vs Temperature 1.00 Hysteresis Voltage vs Temperature 80 70 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 0.95 0.90 0.85 0.80 -40 -20 0 20 40 60 80 100 Hysteresis Voltage (mV) Detecting Voltage (V) Temperature (C) Temperature (C) Output Current1 (N-ch) vs Temperature (VDD = 0.7V ,VDS = 0.05V) 0.20 Output Current3 (P-ch) vs Temperature (VDD = 4.5V ,VDS = -2.1V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -40 -20 Output Current 1 (mA) 0.15 0.10 0.05 0.00 -40 -20 Output Current 3 (mA) 0 20 40 60 80 100 0 20 40 60 80 100 Temperature (C) Temperature (C) note : these are typical characteristics MITSUMI CMOS System Reset PST37XXU Characteristics Detecting Voltage 3.0 Typical Performance Characteristics 2.8V Supply Current 3 Detecting Voltage (V) 2.5 2.0 1.5 1.0 0.5 0.0 1 1.5 2 2.5 3 Supply Current (A) 2.5 2 1.5 1 0.5 0 0 2 4 6 8 10 Input Voltage (V) Input Voltage (V) Detecting Voltage vs Temperature 3.00 Hysteresis Voltage vs Temperature 200 180 160 140 120 100 80 -40 -20 2.90 2.80 2.70 2.60 -40 -20 Hysteresis Voltage (mV) Detecting Voltage (V) 0 20 40 60 80 100 0 20 40 60 80 100 Temperature (C) Temperature (C) Output Current1 (N-ch) vs Temperature (VDD = 0.7V ,VDS = 0.05V) 0.20 Output Current3 (P-ch) vs Temperature (VDD = 4.5V ,VDS = -2.1V) 5.0 Output Current 1 (mA) Output Current 3 (mA) 4.0 3.0 2.0 1.0 0.0 -40 -20 0.15 0.10 0.05 0.00 -40 -20 0 20 40 60 80 100 0 20 40 60 80 100 Temperature (C) Temperature (C) note : these are typical characteristics MITSUMI CMOS System Reset PST37XXU Characteristics Detecting Voltage 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1 Typical Performance Characteristics 4.6V Supply Current 4.0 Detecting Voltage (V) Supply Current (A) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 2 4 6 8 10 2 3 4 5 Input Voltage (V) Input Voltage (V) Detecting Voltage vs Temperature 5.0 Hysteresis Voltage vs Temperature 300 280 260 240 220 200 180 160 -40 -20 0 20 40 60 80 100 4.8 4.6 4.4 4.2 -40 -20 0 20 40 60 80 100 Temperature (C) Hysteresis Voltage (mV) Detecting Voltage (V) Temperature (C) Output Current1 (N-ch) vs Temperature (VDD = 0.7V ,VDS = 0.05V) 0.20 Output Current3 (P-ch) vs Temperature (VDD = 4.5V ,VDS = -2.1V) 8.0 Output Current 1 (mA) Output Current 3 (mA) 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 -40 -20 0 20 40 60 80 100 0.15 0.10 0.05 0.00 -40 -20 0 20 40 60 80 100 Temperature (C) Temperature (C) |
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