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
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +1.0V to +5.5V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C and VCC = +3V.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Reset Timeout Period
Open-Drain RESET Output
Leakage Current (Note 3)
MR Input Low
MR Input High
MR Pull-Up Resistance
MR Minimum Pulse Width
MR Glitch Rejection
MR to Reset Delay
PFI Input Threshold
PFI Leakage Current (Note 3)
PFO Output Voltage
PFO Output Voltage
PFO Output Short-Circuit
Current
PFI to PFO Delay
tRP
ILKG
VIL
VIH
TA = -40°C to +85°C
TA = -40°C to +125°C
MAX6343 only, VCC > VTH(MAX)
TA = -40°C to +85°C
TA = -40°C to +125°C
TA = -40°C to +85°C
TA = -85°C to +125°C
VOL VCC = 4.5V, ISINK = 3.2mA
VOH VCC = 4.5V, ISOURCE = 800µA
Output sink current
Output source current
VOVERDRIVE = 15mV
100
180
280
ms
80
360
1
µA
0.3 ✕ VCC V
0.7 ✕ VCC
V
60
kΩ
1
µs
0.1
µs
0.2
µs
1.2
1.25
1.3
V
1.15
1.35
±0.01 ±25
nA
±100
0.4
V
0.8 ✕ VCC
V
20
mA
5
3
µs
Note 1: Overtemperature limits are guaranteed by design and not production tested.
Note 2: Apply to each part in accordance with threshold voltage, output configuration, and manual reset status selected.
Note 3: Leakage parameters are guaranteed by design and not production tested.
(VPFI = VCC = +5V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT vs. SUPPLY VOLTAGE
AND TEMPERATURE
30
VCC = 5V
25
VCC = 3.3V
20
MAX6344L/MAX6345L
RESET OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
VCC
MAX6342M/MAX6345M
RESET OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
VCC
15
VCC = 2.5V
1V/div
1V/div
10
VCC = 1V
0
5
0
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
RESET
1sec/div
0
RESET
0
1sec/div
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