MAX6345_UT-T View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX6345_UT-T Datasheet PDF : 8 Pages
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6-Pin µP Reset Circuit with
Power-Fail Comparator
Typical Operating Characteristics (continued)
(VPFI = VCC = +5V, TA = +25°C, unless otherwise noted.)
PFO OUTPUT-VOLTAGE HIGH
vs. SUPPLY VOLTAGE
6
RL = 10kΩ
5
4
3
2
1
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE (V)
MAX6344/MAX6345
RESET RESPONSE TIME
5V
VCC
4V
4V
RESET
0
10µs/div
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0
PFO OUTPUT-VOLTAGE LOW
vs. SUPPLY VOLTAGE
RL = 1kΩ
1
2
3
4
5
6
SUPPLY VOLTAGE (V)
MAX6342/MAX6345
RESET RESPONSE TIME
5V
4V VCC
5V
RESET
4V
0
2µs/div
MAX6342
1
2
PIN
MAX6343 MAX6344
1
1
2
2
MAX6345
1
2
3
3
3
3
4
4
4
4
NAME
VCC
GND
PFI
PFO
Pin Description
FUNCTION
Supply Voltage
Ground
Power-Fail Voltage Monitor Input. When PFI is < 1.25V, PFO
goes low. Connect PFI to GND or VCC when not used.
Power-Fail Voltage Monitor Output
4 _______________________________________________________________________________________
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