MAX6467US17D7-T 查看數據表（PDF） - Maxim Integrated
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MAX6467US17D7-T
Maxim Integrated
MAX6467US17D7-T Datasheet PDF : 10 Pages
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MAX6467/MAX6468
Microprocessor Supervisory Reset Circuits
with Edge-Triggered, One-Shot Manual Reset
Electrical Characteristics
(VCC = +1.2V to +5.5V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
RESET Output Low
SYMBOL
CONDITIONS
MIN
VCC ≥ +1V, ISINK = 80µA, RESET asserted
VCC ≥ +2.5V, ISINK = 1.2mA, RESET
VOL
asserted
VCC ≥ +4.5V, ISINK = 3.2mA, RESET
asserted
TYP MAX UNITS
0.3
0.3
V
0.3
RESET Output Leakage Current
(MAX6467 Only)
ILKG RESET not asserted
1
µA
Note 1: Specifications over temperature are guaranteed by design. Production testing at TA = +25°C only.
Note 2: The MR input ignores falling edges that occur within the MR rising debounce period (tDEB) after MR first rises from low to
high (after a valid MR reset assertion). This prevents invalid reset assertion due to switch bounce.
Typical Operating Characteristics
(VCC = +5V, MAX6468US29D3 device, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
10
9
8
VCC = +5.5V VCC = +3.6V
7
6
5
4
3
2
VCC = +2.5V
VCC = +1.8V
1
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
10
9
8
7
6
5
4
3
2
1
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
RESET TIMEOUT PERIOD
vs. TEMPERATURE
210
209
208
207
206
205
204
203
202
201
200
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
1.010
1.005
1.000
0.995
0.990
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
VCC TO RESET DELAY
vs. TEMPERATURE
26
VCC = VTH + 100mV TO VTH - 100mV
24
22
20
18
16
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
OUTPUT VOLTAGE LOW
vs. SINK CURRENT
600
550 VCC = 5.0V
500
450
400
350
300
250
200
150
100
50
0
0 1 2 3 4 5 6 7 8 9 10
ISINK (mA)
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