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Teilenummer | IN1232 |
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Beschreibung | Low power Micro Monitor Chip | |
Hersteller | IK Semiconductor | |
Logo | ||
Gesamt 7 Seiten et4U.comPOWER SUPPLY CONTROL
heWITH BUILT-IN WATCHDOG TIMER
.DataSIN1232 is designed to monitor power supply within the system of
reset signal generation for
wwmicroprocessors. It is used in monitor systems for controlling
w various processes and entities.
TECHNICAL DATA
IN1232
Packaged in 8-pin SOP or DIP.
mFeatures:
.co• Rated supply voltage 5.0 V
• Accurate 5% or 10% microprocessor power supply monitoring
U• Programming of watchdog timer overflow time
• Generation of reset signals at power on for correct microproces
t4sor start.
ORDERING INFORMATION
IL1232N Plastic
IL1232D SOIC
TA = -40° to 85° C for all packages.
eThe chip contains reference voltage source, analog comparator,
eWatchdog timer, circuit for monitoring power supply deviation accuracy.
.
ShFunctions:
ta• Reset signal generation after power failure/ error
a• 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
.D Fig 1 – PIN ASSIGNMENT
wwwTable 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
mMin Max
.co- 7.0
U- 7.0
t4-1.0 -
e-40 +85
www.DataShe-60 +125
Units
V
V
V
°С
°С
1
ST
TD
VCC
TOL
PBRST
Watchdog timer
Vcc tolerance
Bias
Referance voltage
source
+
-
GND
Fig.6 Block diagram
IN1232
RST
RST
IN1232
Fig.7 Application Circuit : Watchdog Timer
6
6 Page | ||
Seiten | Gesamt 7 Seiten | |
PDF Download | [ IN1232 Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
IN1232 | Low power Micro Monitor Chip | IK Semiconductor |
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