MAX6845 Maxim Integrated Products, MAX6845 Datasheet - Page 3

• Manufacturer Part Number: MAX6845
• Description: (MAX6841 - MAX6845) Ultra-Low-Voltage uP Reset Circuits and Voltage Detectors
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: 100% production tested at +25°C. Overtemperature limits are guaranteed by design.
Note 2: The active-low output RESET has V
Note 3: For V
(V
Open-Drain RESET Output
Voltage
Open-Drain RESET Output
Leakage Current
Push-Pull RESET Output Voltage
Push-Pull RESET Output Voltage
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CC
CC
9
8
7
6
5
4
3
2
1
0
= +0.55V to +1.8V, T
= 1.5V, T
-40
PARAMETER
-20
CC
V
A
CC
vs. TEMPERATURE
SUPPLY CURRENT
= +25°C, unless otherwise noted.)
= 1.8V
> 0.788V, T
V
TEMPERATURE (°C)
0
CC
V
CC
= 1.5V
Ultra-Low-Voltage µP Reset Circuits and
_______________________________________________________________________________________
= 0.9V
20
A
40
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= 0°C to +85°C, and for V
60
SYMBOL
80
I
V
V
V
V
V
LKG
OH
OH
OL
OL
OL
CC(MIN)
350
300
250
200
150
100
V
V
V
V
V
V
asserted
V
asserted
V
asserted
V
asserted
50
0
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 0.55V (MAX6841/MAX6842).
-40
≥ 0.55V, I
≥ 0.83V, I
≥ 0.55V, I
≥ 0.83V, I
> V
≥ 0.83V, I
≥ 0.75V, I
≥ 0.83V, I
≥ 0.83V, I
CC
-20
POWER-DOWN RESET DELAY
TH
> 0.833V, T
V
, reset not asserted
OD
vs. TEMPERATURE
TEMPERATURE (°C)
= 10mV
0
SINK
SOURCE
SINK
SINK
SINK
SOURCE
SOURCE
SINK
V
CONDITIONS
OD
= 100mV
20
= 80µA, reset asserted
= 10µA, reset asserted
= 10µA, reset asserted
= 80µA, reset asserted
= 80µA, reset not
V
V
OD
Typical Operating Characteristics
A
OD
= 40µA, reset not
= 10µA, reset
= 40µA, reset
= OVERDRIVE (mV)
= -40°C to +85°C.
40
= 20mV
60
Voltage Detectors
80
1.06
1.04
1.02
1.00
0.98
0.96
0.94
A
= +25°C.) (Note 1)
0.8 × V
0.8 × V
0.8 × V
-40
MIN
NORMALIZED RESET TIMEOUT PERIOD
-20
CC
CC
CC
D2 OPTION
vs. TEMPERATURE
TYP
TEMPERATURE (°C)
0
0.2 × V
0.2 × V
0.2 × V
0.2 × V
0.2 × V
D3 OPTION
20
D4 OPTION
MAX
1
40
CC
CC
CC
CC
CC
60
UNITS
µA
V
V
V
80
3