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| MITSUMI IC for CMOS System Reset PST38XXU IC for CMOS System Reset Monolithic IC PST38XXU Series Outline April 16, 2001 This open drain output system reset IC, developed using the CMOS process. Super low consumption current of 1.0A typ. (PST3810 ~ PST3819) 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) PST3810 ~ PST3819 2% 0.7 ~ 10V -30 ~ +85C 0.9 ~ 6.0V (0.1V step) Package SC-82ABA, SC-82ABB 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-82ABA SC-82ABB (TOP VIEW) MITSUMI IC for CMOS System Reset PST38XXU Block Diagram VDD 2 1 OUT VREF GND 4 Pin Explanations Pin No. 1 2 3 4 Pin Name OUT VDD NC GND GND Pin Function Reset Signal Output Pin VDDPin/Voltage Detect Pin Absolute Maximum Ratings Item Operating Temperature Storage Temperature Supply Voltage Output Voltage Output Current Power Dissipation (Ta=25C) Symbol TOPT TSTG VDD max. VOUT IOUT PD Rating -30~+85 -40~+125 12 VSS-0.3~12 70 150 Unit C C V V mA mW Recommended Operating Conditions Item Operating Temperature Supply Voltage Symbol TOPT VDD Rating -30~+85 +0.70~+10 Unit C V MITSUMI IC for CMOS System Reset PST38XXU Electrical Characteristics 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 (Unless otherwise specified, Ta=25C) Item Supply Current1 ISS1(A) Test Circuit 1 Condition Typ. Max. 1.5 1.8 2.0 3.7 4.5 5.0 1.0 2.5 VDD= (-VDET) -0.10V 3.0 6.0 1.1 3.5 7.0 3.3 5.5 3.0 Product Name PST3809 PST3810 PST3811 PST3812 PST3813 PST3814 PST3815 PST3816 PST3817 PST3818 PST3819 PST3820 PST3821 PST3822 PST3823 PST3824 PST3825 PST3826 PST3827 PST3828 PST3829 PST3830 PST3831 PST3832 PST3833 PST3834 PST3835 PST3836 PST3837 PST3838 PST3839 PST3840 PST3841 PST3842 PST3843 PST3844 PST3845 PST3846 PST3847 PST3848 PST3849 PST3850 PST3851 PST3852 PST3853 PST3854 PST3855 PST3856 PST3857 PST3858 PST3859 PST3860 Hysteresis Voltage VHYS(V) Test Circuit 2 Min. Typ. Max. 0.027 0.045 0.063 0.030 0.050 0.070 0.033 0.055 0.077 0.036 0.060 0.084 0.039 0.065 0.091 0.042 0.070 0.098 0.045 0.075 0.105 0.048 0.080 0.112 0.051 0.085 0.119 0.054 0.090 0.126 0.057 0.095 0.133 0.060 0.100 0.140 0.063 0.105 0.147 0.066 0.110 0.154 0.069 0.115 0.161 0.072 0.120 0.168 0.075 0.125 0.175 0.078 0.130 0.182 0.081 0.135 0.189 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 0.099 0.165 0.231 0.102 0.170 0.238 0.105 0.175 0.245 0.108 0.180 0.252 0.111 0.185 0.259 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 0.129 0.215 0.301 0.132 0.220 0.308 0.135 0.225 0.315 0.138 0.230 0.322 0.141 0.235 0.329 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 0.159 0.265 0.371 0.162 0.270 0.378 0.165 0.275 0.385 0.168 0.280 0.392 0.171 0.285 0.399 0.174 0.290 0.406 0.177 0.295 0.413 0.180 0.300 0.420 Supply Current2 ISS2(A) Test Circuit 1 Condition Typ. Max. 0.9 2.7 4.0 VDD= (-VDET) -0.13V 4.5 8.0 VDD= (-VDET) +2.0V 9.0 1.2 3.6 5.0 VDD= (-VDET) -0.16V 5.5 10.0 1.3 11.0 3.9 6.0 VDD= (-VDET) -0.20V 6.5 12.0 1.4 13.0 4.2 MITSUMI IC for CMOS System Reset PST38XXU Electrical Characteristics (Unless otherwise specified, Ta=25C) Item Output Current2 IOUT2(mA) Test Circuit 3 Condition Min. Typ. VDD=0.85V 0.05 0.5 Product Name PST3809 PST3810 PST3811 PST3812 PST3813 PST3814 PST3815 PST3816 PST3817 PST3818 PST3819 PST3820 PST3821 PST3822 PST3823 PST3824 PST3825 PST3826 PST3827 PST3828 PST3829 PST3830 PST3831 PST3832 PST3833 PST3834 PST3835 PST3836 PST3837 PST3838 PST3839 PST3840 PST3841 PST3842 PST3843 PST3844 PST3845 PST3846 PST3847 PST3848 PST3849 PST3850 PST3851 PST3852 PST3853 PST3854 PST3855 PST3856 PST3857 PST3858 PST3859 PST3860 Output Current1 IOUT1(mA) Test Circuit 3 Condition Min. Typ. Leak Current ILEAK(A) Test Circuit 3 Condition Typ. Max. VDD=1.0V 0.2 1.0 N-ch VDS= 0.05V VDD= 0.7V N-ch 0.01 0.05 VDS= 0.5V VDD=1.5V 1.0 2.0 VDD= 10V VDS= 10V 0.1 MITSUMI IC for CMOS System Reset PST38XXU Electrical Characteristics (Unless otherwise specified, Ta=25C) Item Threshold Operating Voltage2 Detecting Voltage Temp. Coefficient VDDL2(V) -VDET/ TOPT (ppm/C) Test Circuit 2 Test Circuit 2 Condition Typ. Max. Condition Typ. Product Name PST3809 PST3810 PST3811 PST3812 PST3813 PST3814 PST3815 PST3816 PST3817 PST3818 PST3819 PST3820 PST3821 PST3822 PST3823 PST3824 PST3825 PST3826 PST3827 PST3828 PST3829 PST3830 PST3831 PST3832 PST3833 PST3834 PST3835 PST3836 PST3837 PST3838 PST3839 PST3840 PST3841 PST3842 PST3843 PST3844 PST3845 PST3846 PST3847 PST3848 PST3849 PST3850 PST3851 PST3852 PST3853 PST3854 PST3855 PST3856 PST3857 PST3858 PST3859 PST3860 Threshold Operating Voltage1 VDDL1(V) Test Circuit 2 Condition Typ. Max. VOUT <0.1V = TOPT=25C 0.55 0.70 VOUT <0.1V = -30C < = TOPT <85C = 0.65 0.80 -30C < = TOPT <85C = 100 MITSUMI IC for CMOS System Reset PST38XXU Measuring Circuit (1) ISS +5V or VDD VDD 2 VIN PST 38XX 4 GND VIN 1 VDD 2 PST 38XX 4 GND 1 470k OUT (2) (3) (4) VDD 2 VIN PST 38XX 4 GND IOUT 1 OUT VDS VIN VDD 2 PST 38XX 4 GND ILEAK 1 OUT VDS MITSUMI IC for CMOS System Reset PST38XXU Application Circuits VDD RL 2 VIN PST 38XX 4 GND 1 OUT RESET Logic System VDD Please be advised that Mitsumi Electric Co., Ltd. is not liable for any accidents or damage caused as a result of the use of 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 therefor. VIN VDD 2 PST 38XX 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 IC for CMOS System Reset PST38XXU Characteristics PST3809 (-VDET=0.9V) Detecting voltage vs input voltage 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 0.2 0.4 0.6 0.8 1 Supply Current vs input voltage 2 Supply Current (A) Output Voltage (V) 1.5 1 0.5 0 0 2 4 6 8 10 Input Voltage (V) Input Voltage (V) Detecting voltage vs temperature 1.00 Hysteresis voltage vs temperature Hysteresis Voltage (mV) 80 70 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 Detecting Voltage (V) 0.95 0.90 0.85 0.80 -40 -20 0 20 40 60 80 100 Temperature (C) Temperature (C) Output current 1 vs temperature 0.20 Output current 2 vs temperature 1.0 Output Current 1 (mA) Output Current 2 (mA) 0 20 40 60 80 100 0.15 0.10 0.05 0.00 -40 -20 0.8 0.6 0.4 0.2 0.0 -40 -20 0 20 40 60 80 100 Temperature (C) Temperature (C) Note: These are typical characteristics. MITSUMI IC for CMOS System Reset PST38XXU Characteristics PST3828 (-VDET=2.8V) Detecting voltage vs input voltage 3.0 Supply current vs input voltage 3 Supply Current (A) Output Voltage (V) 2.5 2.0 1.5 1.0 0.5 0.0 0 0.5 1 1.5 2 2.5 3 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 Hysteresis Voltage (mV) 200 180 160 140 120 100 80 -40 -20 Detecting Voltage (V) 2.90 2.80 2.70 2.60 -40 -20 0 20 40 60 80 100 0 20 40 60 80 100 Temperature (C) Temperature (C) Output current 1 vs temperature 0.20 Output current 2 vs temperature 8.0 Output Current 1 (mA) Output Current 2 (mA) 0 20 40 60 80 100 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 Temperature (C) Temperature (C) Note: These are typical characteristics. MITSUMI IC for CMOS System Reset PST38XXU Characteristics PST3846 (-VDET=4.6V) Detecting voltage vs input voltage 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 1 2 3 4 5 Supply current vs input voltage 4.0 Supply Current (A) Output Voltage (V) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 2 4 6 8 10 Input Voltage (V) Input Voltage (V) Detecting voltage vs temperature 5.0 Hysteresis voltage vs temperature Hysteresis Voltage (mV) 300 280 260 240 220 200 180 160 -40 -20 0 20 40 60 80 100 Detecting Voltage (V) 4.8 4.6 4.4 4.2 -40 -20 0 20 40 60 80 100 Temperature (C) Temperature (C) Output current 1 vs temperature 0.20 Output current 2 vs temperature 8.0 Output Current 1 (mA) Output Current 2 (mA) 0 20 40 60 80 100 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 Temperature (C) Temperature (C) Note: These are typical characteristics. |
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