MITSUMI |
CMOS System Reset PST3XXX |
CMOS System Reset
Monolithic IC PST3XXX Series
Outline
This IC is a system reset IC developed using the CMOS process. Super low consumption current of 0.25µA typ. has been achieved through use of the CMOS process. Also, detection voltage is high precision detection of ±2%.
Features
(1) |
Super low consumption current |
0.25µA typ. (when VDD = Vs + 1V) |
(2) |
High precision detection voltage |
±2% |
(3) |
Hysteresis characteristic |
5% typ. |
(4) |
Operating range |
0.95 ~ 10V |
(5) |
Wide operating temperature range |
-30 ~ +85°C |
(6) |
Detection voltage |
2 ~ 6V (0.1V step) |
Package
SC-82AB (PST31XX, PST32XX)
SOT-25 (PST33XX, PST34XX)
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
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1 |
OUT |
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4 |
3 |
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1 |
OUT |
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2 |
VDD |
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2 |
VDD |
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3 |
VSS |
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2 |
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NC |
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NC |
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4 |
VSS |
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SC-82AB |
SOT-25 |
MITSUMI |
CMOS System Reset PST3XXX |
Equivalent Circuit Diagram
PST31XX
PST32XX
PST33XX
PST34XX
MITSUMI CMOS System Reset PST3XXX
Absolute Maximum Ratings (Ta=25°C)
Item |
Symbol |
Rating |
Unit |
Storage temperature |
TSTG |
-40~+125 |
°C |
Operating temperature |
TOPR |
-30~+85 |
°C |
Power supply voltage |
VDDmax. |
+12 |
V |
Allowable loss |
Pd |
150 |
mW |
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Electrical Characteristics
(1) Detection Voltage Table |
Ta=25°C |
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Detection voltage |
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SOT-25 |
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SC-82 |
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CMOS output |
N-ch open drain |
CMOS output |
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N-ch open drain |
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2.0V±2% |
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PST3120 |
PST3220 |
PST3320 |
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PST3420 |
2.1V±2% |
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PST3121 |
PST3221 |
PST3321 |
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PST3421 |
2.2V±2% |
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PST3122 |
PST3222 |
PST3322 |
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PST3422 |
2.3V±2% |
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PST3123 |
PST3223 |
PST3323 |
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PST3423 |
2.4V±2% |
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PST3124 |
PST3224 |
PST3324 |
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PST3424 |
2.5V±2% |
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PST3125 |
PST3225 |
PST3325 |
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PST3425 |
2.6V±2% |
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PST3126 |
PST3226 |
PST3326 |
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PST3426 |
2.7V±2% |
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PST3127 |
PST3227 |
PST3327 |
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PST3427 |
2.8V±2% |
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PST3128 |
PST3228 |
PST3328 |
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PST3428 |
2.9V±2% |
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PST3129 |
PST3229 |
PST3329 |
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PST3429 |
3.0V±2% |
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PST3130 |
PST3230 |
PST3330 |
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PST3430 |
3.1V±2% |
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PST3131 |
PST3231 |
PST3331 |
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PST3431 |
3.2V±2% |
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PST3132 |
PST3232 |
PST3332 |
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PST3432 |
3.3V±2% |
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PST3133 |
PST3233 |
PST3333 |
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PST3433 |
3.4V±2% |
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PST3134 |
PST3234 |
PST3334 |
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PST3434 |
3.5V±2% |
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PST3135 |
PST3235 |
PST3335 |
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PST3435 |
3.6V±2% |
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PST3136 |
PST3236 |
PST3336 |
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PST3436 |
3.7V±2% |
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PST3137 |
PST3237 |
PST3337 |
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PST3437 |
3.8V±2% |
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PST3138 |
PST3238 |
PST3338 |
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PST3438 |
3.9V±2% |
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PST3139 |
PST3239 |
PST3339 |
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PST3439 |
4.0V±2% |
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PST3140 |
PST3240 |
PST3340 |
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PST3440 |
4.1V±2% |
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PST3141 |
PST3241 |
PST3341 |
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PST3441 |
4.2V±2% |
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PST3142 |
PST3242 |
PST3342 |
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PST3442 |
4.3V±2% |
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PST3143 |
PST3243 |
PST3343 |
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PST3443 |
4.4V±2% |
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PST3144 |
PST3244 |
PST3344 |
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PST3444 |
4.5V±2% |
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PST3145 |
PST3245 |
PST3345 |
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PST3445 |
4.6V±2% |
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PST3146 |
PST3246 |
PST3346 |
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PST3446 |
4.7V±2% |
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PST3147 |
PST3247 |
PST3347 |
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PST3447 |
4.8V±2% |
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PST3148 |
PST3248 |
PST3348 |
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PST3448 |
4.9V±2% |
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PST3149 |
PST3249 |
PST3349 |
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PST3449 |
5.0V±2% |
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PST3150 |
PST3250 |
PST3350 |
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PST3450 |
5.1V±2% |
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PST3151 |
PST3251 |
PST3351 |
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PST3451 |
5.2V±2% |
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PST3152 |
PST3252 |
PST3352 |
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PST3452 |
5.3V±2% |
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PST3153 |
PST3253 |
PST3353 |
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PST3453 |
5.4V±2% |
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PST3154 |
PST3254 |
PST3354 |
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PST3454 |
5.5V±2% |
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PST3155 |
PST3255 |
PST3355 |
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PST3455 |
5.6V±2% |
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PST3156 |
PST3256 |
PST3356 |
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PST3456 |
5.7V±2% |
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PST3157 |
PST3257 |
PST3357 |
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PST3457 |
5.8V±2% |
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PST3158 |
PST3258 |
PST3358 |
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PST3458 |
5.9V±2% |
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PST3159 |
PST3259 |
PST3359 |
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PST3459 |
6.0V±2% |
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PST3160 |
PST3260 |
PST3360 |
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PST3460 |
Detection voltage measurement conditions: VDD = 9V 0V, measurement circuit 1