ICS9WDV3501B Datasheet, PDF (6/9 Pages) Integrated Device Technology – VOLTAGE MONITOR/WATCHDOG TIMER CIRCUIT

ICS9WDV3501B
Voltage Monitor/Watchdog Timer Circuit
Advance Information
Advance Information
Absolute Maximum Ratings
(@ 25°C unless otherwise indicated)
PARAMETER
SYMBOL
Maximum Supply Voltage VDD
Maximum Input Voltage
V_MON
Maximum Input Current
I_IMAX
Maximum Output Current
Maximum Power
Dissipation Current
I_OMAX
P_DMAX
Storage Temperature
Ts
ESD protection
ESD prot
CONDITIONS
Supply Voltage
3.3V LVCMOS Inputs
VDD or GND
Digital Output
Digital Output
-
Human Body Model
MIN
-0.3
-65
2000
TYP
MAX UNITS Notes
4.6
V
VDD + 0.3 V
200
mA
200
mA
500
mW
150
°_C
V
Electrical Characteristics - Input/Supply/Common Output Parameters
PARAMETER
Ambient Operating Temp
Operating Voltage
Operating Supply Current
Input High Voltage
SYMBOL
T_ambientC
T_ambientI
VDD
I_{DD_3.3V}
V_IHSE
CONDITIONS
Standard Part
Industrial Temp Version
Supply Voltage
Iout = 1mA
All inputs except VMON
MIN
0
-45
2.97
2
TYP
3.30
Input Low Voltage
V_ILSE
All inputs except VMON GND - 0.3
Input Leakage Current
I_IN
V_IN = V_{DD ,} V_IN = GND
-5
MAX
70
85
3.63
2500
V_DD + 0.3
UNITS Notes
°C
°C
V
ΠA
V
1
0.8
V
1
5
ΠA
Electrical Characteristics - Reset, WDI and Watchdog Timer Parameters
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
VMON Input Threshold
VMON Input Hysteresis
V_VMON
V_VMONHYST
VMON input
VMON input
0.96
1.00
50
Reset 0 & Reset 1
Timeout Delay
t_RESET0,
t_RESET1
RST0_DLY(1:0) = 00
RST0_DLY(1:0) = 01
RST0_DLY(1:0) = 10
RST1_DLY(1:0) = 11
40
50
80
100
160
200
240
300
Watchdog Timeout
WDT_OUT
WTB(1:0) = 00
WTB(1:0) = 01
WTB(1:0) = 10
0.80
1.00
1.60
2.00
4.00
5.00
WTB(1:0) = 11
8.00
10.00
WDI Input Pulse Width
WDI_PW
V_IL= 0.4V, V_IH = 2.8V
100
Output High Voltage
Output Low Voltage
Input Leakage Current
V_OH
RESET outputs, Iout = 1mA 2,4
V_OL
RESET outputs, Iout =
16mA
I_IN
V_IN = V_{DD ,} V_IN = GND
-5
TimeBase Frequency
F_osc
V_DD = 3.3 V, Rp = 30k8
0.8
1
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
MAX
1.04
60
120
240
360
1.20
2.40
6.00
12.00
0.7
5
1.2
UNITS Notes
V
mV
ms 3
ms 3
ms 3
ms 3
ms 3
ms 3
ms 3
ms 3
ns
V
V
8A
MHz 3
IDT^TM/ICS^TM Voltage Monitor/Watchdog Timer Circuit
6
1568—05/30/08