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PRODUCTS PRODUCTS INDEX
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 RESET ICs
ICS
System Reset IC built-in delay time circuit
Monolithic IC PST803~810 series
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[Outline]
These IC series are a system reset IC built-in delay time circuit.
The IC is a small space on PCB by no external capacitor and small package.
The IC is compatible with a standard Reset "809 series", and can choose a detective voltage at 0.1V steps.

[Features]
1. 
Operating supply voltage
1.0-6.0V (Ta=0-70ºC)
2. 
Supply current
0.5µA typ.
3. 
Reset threshold range
1.6-5.0V
(2.63/2.93/3.08/4.38/4.63V)
4. 
Reset threshold accuracy
±1.0%
5. 
Reset temperature coefficient
30ppm/ºC typ.
6. 
Reset active timeout period
50/100/200/240/400ms
7. 
Output voltage L
0.4V max. (Isink=3.2mA)
8. 
Output voltage H
VDD-1.5V min. (Isource=800µA)
9. 
Output type
Open drain output + Active L --- PST803 , PST805
Open drain output + Active H --- PST804 , PST806
CMOS output + Active L --- PST807 , PST809
CMOS output + Active H --- PST808 , PST810


[Package]


[Applications]
1. The reset circuits of CPU and MPU
2. The reset circuits of logic circuit.
3. Battery voltage check circuits
4. The change circuit of a backup circuits
5. Level detection circuits
6. Level detector


[Pin Assignment]

SOT-23A
(TOP VIEW)
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PST803, PST804, PST809, PST810
1
GND
2
RST
(RST)
3
VDD
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PST805, PST806, PST807, PST808
1
RST
(RST)
2
GND
3
VDD


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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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