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IDTTM/ICSTM Voltage Monitor/Watchdog Timer Circuit
1568—05/30/08
Advance Information
ICS9WDV3501B
Voltage Monitor/Watchdog Timer Circuit
6
Advance Information
Electrical Characteristics - Input/Supply/Common Output Parameters
Electrical Characteristics - Reset, WDI and Watchdog Timer Parameters
Absolute Maximum Ratings
(@ 25°C unless otherwise indicated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
Maximum Supply VoltageVDD
Supply Voltage4.6
V
Maximum Input Voltage
VMON
3.3V LVCMOS Inputs
-0.3
VDD + 0.3
V
Maximum Input Current
IIMAX
VDD or GND
200
mA
Maximum Output Current
IOMAX
Digital Output
200
mA
Maximum Power
Dissipation Current
PDMAX
Digital Output
500
mW
Storage Temperature
Ts
-
-65
150
°C
ESD protection
ESD prot
Human Body Model
2000
V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
TambientC
Standard Part
0
70
°C
TambientI
Industrial Temp Version
-45
85
°C
Operating VoltageVDD
Supply Voltage
2.97
3.30
3.63
V
Operating Supply Current
IDD_3.3V
Iout = 1mA
2500
ΠA
Input High Voltage
VIHSE
All inputs except VMON
2
VDD + 0.3
V
1
Input Low Voltage
VILSE
All inputs except VMON
GND - 0.3
0.8
V
1
Input Leakage Current
IIN
VIN = VDD , VIN = GND
-5
5
ΠA
Ambient Operating Temp
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
VMON Input Threshold
VVMON
VMON input
0.96
1.00
1.04
V
VMON Input Hysteresis
VVMONHYST
VMON input
50
mV
RST0_DLY(1:0) = 00
40
50
60
ms
3
RST0_DLY(1:0) = 01
80
100
120
ms
3
RST0_DLY(1:0) = 10
160
200
240
ms
3
RST1_DLY(1:0) = 11
240
300
360
ms
3
WTB(1:0) = 00
0.80
1.00
1.20
ms
3
WTB(1:0) = 01
1.60
2.00
2.40
ms
3
WTB(1:0) = 10
4.00
5.00
6.00
ms
3
WTB(1:0) = 11
8.00
10.00
12.00
ms
3
WDI Input Pulse Width
WDIPW
VIL= 0.4V, VIH = 2.8V
100
ns
Output High Voltage
VOH
RESET outputs, Iout = 1mA
2,4
V
Output Low Voltage
VOL
RESET outputs, Iout =
16mA
0.7
V
Input Leakage Current
IIN
VIN = VDD , VIN = GND
-5
5
8A
TimeBase Frequency
Fosc
VDD = 3.3 V, Rp = 30k8
0.8
1
1.2
MHz
3
1. WDI pulse width limited to 150ns with these input thresholds
2. VMON Falling
3. Values over the entire industrial temp range -40°C to +80°C
Watchdog Timeout
WDTOUT
tRESET0,
tRESET1
Reset 0 & Reset 1
Timeout Delay