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| UT01VS50L Datasheet, PDF (5/15 Pages) Aeroflex Circuit Technology – UT01VS50L Voltage Supervisor | |||
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ELECTRICAL CHARACTERISTICS 1,2
(VDD = 4.75V to 5.5V:-55°C < TC < +125°C)
SYMBOL
PARAMETER
CONDITION
Power Supply
IDD
VDD supply current
VDD=5.5V
Digital Inputs and Outputs (MR, RESET, WDI, WDO, PFO)
VIL
Digital input low
VDD=4.75V
VIH
Digital input high
VDD=5.5V
VIL_MR
Manual reset input low
VDD=4.75V
VIH_MR
Manual reset input high
VDD=5.5V
VOL3
Digital output low
VDD=4.75V, IOL =3.2mA
VOH3
Digital output high
VDD=4.75V, IOH =800μA
Timing and Threshold Voltages
tRST-ASSRT4
VDD falling reset assertion
VDD < 4.5V
tRS
Reset pulse width
VDD=4.75V
tWD
Watchdog time-out period
VDD=5.5V
tWP
Watchdog input pulse width
VDD=4.75V, VIL = 0.4V,
VIH =0.8XVDD
VRT
Reset threshold voltage
VRTHYS
Reset threshold voltage hysteresis
tMR
Manual reset (MR) input pulse VDD=4.75V
width
tMD
Manual reset (MR) to reset out VDD=4.75V
delay
Analog Input PFI
IPFI4
Threshold detector input (PFI)
current
VDD=5.5V
VPFI
Threshold detector input (PFI) VDD=5.0V
threshold voltage
IMR
Manual reset pull-up current
VDD=5.5V, MR=0.0V
IWDI
Watchdog input (WDI) current WDI pin = VDD = 5.5V
WDI pin = 0V; VDD = 5.5V
tRPFI
PFI rising threshold crossing to
PFO delay
tFPFI
PFI falling threshold crossing to
PFO delay
5
MIN MAX UNIT
530 μA
0.8
V
3.5
V
0.8
V
2.0
V
0.4
V
VDD - 1.5
V
0.2
0.8 μs
140
280 ms
1.0
2.25 s
50
ns
4.5
4.75 V
20
mV
150
ns
100 ns
-20
20 nA
1.20 1.30 V
-500 -100 μA
35 μA
-35
μA
15
μs
35
μs
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