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KODENSHI KOREA - POWER SUPPLY CONTROL

Numéro de référence KK1232
Description POWER SUPPLY CONTROL
Fabricant KODENSHI KOREA 
Logo KODENSHI KOREA 





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KK1232 fiche technique
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TECHNICAL DATA
POWER SUPPLY CONTROL
WITH BUILT-IN WATCHDOG TIMER
KK1232
KK1232 is designed to monitor power supply within the system of
reset signal generation for
microprocessors. It is used in monitor systems for controlling
various processes and entities.
Packaged in 8-pin SOP or DIP.
Features:
Rated supply voltage 5.0 V
Accurate 5% or 10% microprocessor power supply monitoring
Programming of watchdog timer overflow time
Generation of reset signals at power on for correct microproces
sor start.
ORDERING INFORMATION
KK1232N Plastic
KK1232D SOIC
TA = -40° to 85° C for all packages.
The chip contains reference voltage source, analog comparator,
Watchdog timer, circuit for monitoring power supply deviation accuracy.
.
Functions:
Reset signal generation after power failure/ error
Reset signal generation from external “RESET” pushbutton
Reset signal generation from watchdog timer
PBRST 01
TD 02
TOL 03
GND 04
08 Vcc
07 ST
06 RST
05 RST
Fig 1 – PIN ASSIGNMENT
Table 1 – Absolute maximum ratings
Symbol
VСС
VIH
VIL
ТA
Tstg
Parameter
Supply voltage
Input voltage, high level
Input voltage, low level
Operating temperature range
Storage temperature
Typical
Min Max
- 7.0
- 7.0
-1.0 -
-40 +85
-60 +125
Units
V
V
V
°С
°С
1

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