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PRODUCTS PRODUCTS INDEX
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 RESET ICs
ICS
System Reset with Delay Time Circuit
Monolithic IC PST596~598 Series
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[Outline]
This IC functions in a variety of CPU systems and other logic systems, to detect supply voltage and reset the system accurately when the power is turned on or interrupted. It incorporates a fixed-delay time generation circuit. In particular, this IC is a system reset IC which realizes ultra-small size and low current consumption.

[Features]
1. 
Fixed delay time setting by counter timer
 
2. 
Low operating limit voltage
0.65V typ.
3. 
Hysteresis voltage provided for detection voltage
50mV typ.
4. 
Low current consumption
ICCH=15µA typ.
5. 
3 models are available for different delay times.
PST596   50ms
PST597   100ms
PST598   200ms
6. 
Each model has 10 detection voltage ranks.
C : 4.5V typ.      H: 3.1V typ.
D : 4.2V typ.      I : 2.9V typ.
E : 3.9V typ.      J : 2.7V typ.
F : 3.6V typ.      K : 2.5V typ.
G : 3.3V typ.      L : 2.3V typ.


[Package]
*The box represents a rank of detection voltage.


[Applications]
1. Reset circuits for microcomputers, CPUs and MPUs
2. Reset circuits for logic circuits
3. Battery voltage check circuits
4. Back-up power supply switching circuits
5. Level detection circuits
6. Mechanical reset circuits


[Pin Assignment]

SOT-25
(TOP VIEW)
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1
M/R
2
SUB
3
GND
4
VOUT
5
VCC


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[NOTE]
-Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
-The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
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