MAX814(1995) 查看數據表（PDF） - Maxim Integrated
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MAX814 Datasheet PDF : 16 Pages
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±1% Accuracy, Low-Power, +3V and +5V
µP Supervisory Circuits
ELECTRICAL CHARACTERISTICS, +5V Parts (MAX814/MAX815K, L, N) (continued)
(VCC = 4.85V to 5.5V for MAX814K/MAX815K, VCC = 4.75V to 5.5V for MAX814L/MAX815L, VCC = 4.60V to 5.5V for MAX814N/
MAX815N, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
MR Pull-Up Current
MR Pulse Width
IMR
MR = 0V
tMR
70
240
µA
150
ns
MR Input Threshold
MR to RESET Out Delay
PFI Input Threshold
PFI Input Current
V MRLO
V MRHI
tMD
VPFI
IPFI
Low
High
(Note 3)
VCC = 5.0V
0.7 x VCC
1.1
V
250
ns
2.45 2.50 2.55
V
-15.00 6.0 35.00 nA
LOW LINE, PFO, WDO
Assertion Delay
(Note 2)
200
µs
ELECTRICAL CHARACTERISTICS, +3V Parts (MAX814/MAX815T, MAX816)
(VCC = 3.06V to 5.5V for MAX814T/MAX815T and MAX816, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
Operating Voltage Range
Supply Current
Reset Threshold
RESET IN Threshold
RESET IN Input Current
Reset Threshold Hysteresis
Reset Pulse Width
RESET Output Voltage
RESET, WDO, PFO, LOW LINE
Output Voltage
Watchdog Timeout Period
SYMBOL
VCC
ISUPPLY
VRT
VRT
IRT
VRT
tRS
VOH
VOL
VOH
VOL
VOH
VOL
VOH
VOL
VOL
tWD
CONDITIONS
MIN TYP
0°C to +70°C
1.0
-40°C to +85°C
1.2
0°C to +70°C
-40°C to +85°C
0°C to +70°C
3.00
-40°C to +85°C
3.00
MAX816C
1.683 1.700
MAX816E
1.678 1.700
MAX816
-15
6
0
140 200
VRT(max)<VCC<3.6V; ISOURCE = 500µA
MAX814T, MAX816 ISINK = 1.2mA
0.8 x VCC
4.5V<VCC<5.5V;
MAX814T, MAX816
ISOURCE = 800µA
ISINK = 3.2mA
VCC -1.5
VRT(max)<VCC<3.6V
4.5V<VCC<5.5V
ISOURCE = 500µA
ISINK = 1.2mA
ISOURCE = 800µA
ISINK = 3.2mA
0.8 x VCC
VCC -1.5
TA = 0°C to +70°C, VCC = 1.0V, ISINK = 50µA
TA = -40°C to +85°C, VCC = 1.2V, ISINK = 100µA
MAX815T
1.12
MAX
5.5
5.5
75
85
3.06
3.08
1.717
1.722
35
250
0.3
0.4
0.3
0.4
0.3
0.3
2.00
UNITS
V
µA
V
V
nA
mV
ms
V
V
sec
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