MAX801 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX801 Datasheet PDF : 12 Pages
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8-Pin µP Supervisory Circuits
with ±1.5% Reset Accuracy
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 4.6V to 5.5V for the MAX80_L, VCC = 4.5V to 5.5V for the MAX80_N, VCC = 4.35V to 5.5V for the MAX80_M; VBATT = 2.8V;
TA = TMIN to TMAX. Typical values are at VCC = 5V and TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
RESET AND LOW-LINE
Reset Threshold
VRST
VCC rising
and falling
MAX80_L
MAX80_N
MAX80_M
Reset-Threshold Hysteresis
LOWLINE to RESET
Threshold Voltage
VLR VCC falling
LOWLINE Threshold,
VCC Rising
VCC to RESET Delay
VCC to LOWLINE Delay
RESET Active Timeout
Period
MAX80_L
VLL MAX80_N
MAX80_M
tRD VCC falling at 1mV/µs
tLL
VCC falling at 1mV/µs
tRP
VCC rising
RESET Output Voltage
RESET Output
Short-Circuit Current
ISINK = 50µA, VCC = 1.0V, MAX80_C
VBATT = 0V,
VCC falling VCC = 1.2V, MAX80_E/M
ISINK = 3.2mA, VCC = 4.25V
ISOURCE = 0.1mA
ISC
Output sink current, VCC = 4.25V
Output source current
RESET Output Voltage
(MAX801)
ISINK = 3.2mA
ISOURCE = 5mA, VCC = 4.25V
RESET Output Short-
Circuit Current (MAX801)
Output sink current
ISC
Output source current, VCC = 4.25V
LOWLINE Output Voltage
ISINK = 3.2mA, VCC = 4.25V
ISOURCE = 5mA, VCC = 4.25V
LOWLINE Output
Short-Circuit Current
ISC
Output sink current, VCC = 4.25V
Output source current
WATCHDOG TIMER (MAX801)
Watchdog Timeout Period tWD
Minimum Watchdog Input
Pulse Width
VIL = 0.8V, VIH = 0.75V x VCC
WDI Threshold Voltage
(Note 4)
WDI Input Current
VIH
VIL
RESET deasserted, WDI = 0V
RESET deasserted, WDI = VCC
MIN
4.600
4.500
4.350
30
140
TYP
4.675
4.575
4.425
13
52
4.73
4.63
4.48
17
17
200
VCC - 1.5
0.1
VCC - 0.1
40
1.6
VCC - 1.5
55
15
VCC - 1.5
40
20
1.12
1.6
100
0.75 x VCC
-50
-10
16
MAX
UNITS
4.750
4.650
V
4.500
mV
70
mV
4.81
4.71
V
4.56
µs
µs
280
ms
0.3
0.3
V
0.4
mA
0.4
V
mA
0.4
V
mA
2.24
sec
ns
V
0.8
µA
50
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