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MAX807NCWE Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX807NCWE
Description  Full-Featured uP Supervisory Circuit with /-1.5% Reset Accuracy
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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 3 page
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Full-Featured µP Supervisory Circuit with
±1.5% Reset Accuracy
_______________________________________________________________________________________
3
VIH
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 4.60V to 5.5V for the MAX807L, VCC = 4.50V to 5.5V for the MAX807N, VCC = 4.35V to 5.5V for the MAX807M,
VBATT = 2.8V, VPFI = 0V, TA = TMIN to TMAX. Typical values are tested with VCC = 5V and TA = +25°C, unless otherwise noted.)
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Sink current
70
4.600
4.675
4.750
V
5
BATT ON Output
Short-Circuit Current
Source current, VCC = 0V, VBATT = 2.8V
4.350
4.425
4.500
LOW LINE to RESET
Threshold Voltage
VLR
Reset Threshold Hysteresis
VCC falling
30
52
70
mV
13
mV
4.500
4.575
4.650
VRST
Reset Threshold
VCC rising and falling
4.63
4.71
MAX807N
VCC to LOW LINE Delay
VCC falling at 1mV/µs
24
µs
µs
26
VCC to RESET Delay
VCC falling at 1mV/µs
4.48
4.56
MAX807M
Minimum Watchdog Input
Pulse Width
Watchdog-Timeout Period
VIL = 0.8V, VIH = 0.75 x VCC
tWD
100
ns
V
1.12
1.6
2.24
s
ms
140
200
280
tRP
RESET Active-Timeout Period
VCC rising
4.73
4.81
MAX807L
MAX807L
MAX807N
MAX807M
0.3
0.3
ISINK = 50µA,
VBATT = 0V, VCC falling
VCC - 1.5
VCC - 0.1
RESET Output Voltage
ISOURCE = 0.1mA
0.1
0.4
ISINK = 3.2mA, VCC = 4.25V
mA
60
Output sink current, VCC = 4.25V
1.6
ISC
RESET Output
Short-Circuit Current
Output source current
VCC = 1V,
MAX807_C
VCC = 1.2V,
MAX807_E/M
V
0.4
ISINK = 3.2mA
VCC - 1.5
RESET Output Voltage
ISOURCE = 5mA
V
0.4
ISINK = 3.2mA, VCC = 4.25V
VCC - 1.5
LOW LINE Output Voltage
ISOURCE = 5mA
mA
60
Output sink current
15
ISC
RESET Output
Short-Circuit Current
Output source current, VCC = 4.25V
mA
28
Output sink current, VCC = 4.25V
20
ISC
LOW LINE Output
Short-Circuit Current
Output source current
V
0.4
ISINK = 3.2mA
VCC - 1.5
WDO Output Voltage
ISOURCE = 5mA
mA
mA
35
Output sink current
20
ISC
WDO Output
Short-Circuit Current
Output source current
VLL
V
LOW LINE Threshold,
VCC Rising
V
0.75 x VCC
0.8
VIH
WDI Threshold Voltage
(Note 4)
VIL
µA
-50
-10
Reset deasserted, WDI = 0V
16
50
WDI Input Current
Reset deasserted, WDI = VCC
RESET, LOW LINE, AND WATCHDOG TIMER




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