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KK1232 반도체 회로 부품 판매점

POWER SUPPLY CONTROL



KODENSHI KOREA 로고
KODENSHI KOREA
KK1232 데이터시트, 핀배열, 회로
www.DataSheet4U.com
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


KK1232 데이터시트, 핀배열, 회로
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KK1232
Table 2 – Recommended operating conditions
Symbol
VСС
VIH
VIL
ТA
Parameter
Supply voltage
Input voltage, high level
Input voltage, low level
Operating temperature range
Typical
Min Max
4.5 5.5
2.0 UСС+0.3
-0.3 0.8
-20 +70
Units
V
V
V
°С
Table 3 DC electrical characteristics (TAmb = -40° to +85°С)
Symbol
ILIL1
ILIL2
ILIL3
ILIH1
ILIH2
IOH
IOL
VOH
VOH1
VOL
IСС
VCC TP1
VCC TP2
Parameter
Input leakage current,
low level, ST, TOL
Input leakage current,
low level, TD
Input leakage current,
low level, PBRST
Input leakage current,
high level, ST, TOL
Input leakage current,
high level, TD
Output current, high
level, RST
Output current, low
level, RST, RST
Output voltage, high
level, RST
Output voltage, high
level,- RST
Output voltage, low level,
RST
Operating current
VCC trip point
VCC trip point
Test conditions
VCC=5 V±10%,
VIL=0 V
VCC=5 V±10%,
VIL=0 V
VCC=5 V±10%,
VIL=0 V
VCC =5 V±10%,
VIH=VCC
VCC =5 V±10%,
VIH=VCC
VCC =5 V±10%,
VOH=2.4 V
VCC =5 V±10%,
VOL=0.4 V
VCC =5 V±10%,
IOH= -500 µА
VCC =2 V,
IOH= -500 µА
VCC =2 V,
IOL=1 mА
VCC =5 V±10%
TOL = GND
TOL = VCC
Typical
min max
- -1
- -300
- -1000
-1
- 300
-8 -
8-
VСС-0.5
-
VСС-0.5
-
- 0.4
-2
4.5 4.74
4.25 4.49
Units
µА
µА
µА
µА
µА
µА
mА
V
V
V
mА
V
V
2




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KK1232 data

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