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MAX814 Datasheet(Hoja de datos) 4 Page - Maxim Integrated Products

No. de Pieza. MAX814
Descripción  ±1% Accuracy, Low-Power, 3V and 5V μP Supervisory Circuits
Descarga  16 Pages
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Fabricante  MAXIM [Maxim Integrated Products]
Página de inicio  http://www.maxim-ic.com
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 4 page
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±1% Accuracy, Low-Power, +3V and +5V
µP Supervisory Circuits
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS, +3V Parts (MAX814/MAX815T, MAX816) (continued)
(VCC = 3.06V to 5.5V for MAX814T/MAX815T and MAX816, TA = TMIN to TMAX, unless otherwise noted.)
VCC rising
VCC falling, MAX814TE
VCC falling, MAX814TC
MAX815T (Note 1)
WDI = VCC or 0V, MAX815T
VRT(max)<VCC<3.6V;
MAX815T
MAX815T
Low
CONDITIONS
3.163
MR Input Threshold
mV
48
73
∆VLL
LOW LINE to RESET Differential
Threshold
50
70
V MRHI
High
µs
1
tWDO
MR to WDO High Delay
µA
-1.0
1.0
IWDI
WDI Input Current
V
0.7 x VCC
0.8
0.7 x VCC
V
100
tWP
WDI Pulse Width
High
MR to RESET Out Delay
tMD
VRT(max)<VCC<3.6V; (Note 3)
750
PFI Input Threshold
VPFI
VCC = 3.3V, 5V
1.666
1.700
1.734
V
PFI Input Current
IPFI
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
VLLT
V
MR Pull-Up Current
IMR
MR = 0V
70
240
µA
MR Pulse Width
tMR
VRT(max)<VCC<3.6V
500
ns
V MRLO
Low
1.1
-15.00
6.0
35.00
nA
LOW LINE Threshold
50
4.5V<VCC<5.5V
VRT(max)<VCC<3.6V
VCC = 5.0V; MAX815T
Low
2.4
VWDI
WDI Input Threshold
0.8
High
110
370
4.5V<VCC<5.5V
150
4.5V<VCC<5.5V, (Note 3)
250
ns
VRT(max)<VCC<3.6V
4.5V<VCC<5.5V
Note 1: Applies if WDO is externally connected to MR or if MR is externally driven.
Note 2: On power-up, delay from reset trip threshold crossing to valid outputs.
Note 3: Applies to both RESET and RESET.
ns




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