Datasheet

(V
CC
= +5V, MAX6468US29D3 device, T
A
= +25°C, unless otherwise noted.)
Note 1: Specifications over temperature are guaranteed by design. Production testing at T
A
= +25°C only.
Note 2: The MR input ignores falling edges that occur within the MR rising debounce period (t
DEB
) after MR first rises from low to
high (after a valid MR reset assertion). This prevents invalid reset assertion due to switch bounce.
(V
CC
= +1.2V to +5.5V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RESET Output Low V
OL
V
CC
≥ +1V, I
SINK
= 80µA, RESET asserted 0.3
V
V
CC
≥ +2.5V, I
SINK
= 1.2mA, RESET
asserted
0.3
V
CC
≥ +4.5V, I
SINK
= 3.2mA, RESET
asserted
0.3
RESET Output Leakage Current
(MAX6467 Only)
I
LKG
RESET not asserted 1 µA
OUTPUT VOLTAGE LOW
vs. SINK CURRENT
MAX6467 toc06
I
SINK
(mA)
V
OL
(mV)
986 72 3 4 51
50
100
150
200
250
300
350
400
450
500
550
600
0
0 10
V
CC
= 5.0V
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
MAX6467 toc05
TEMPERATURE (°C)
NORMALIZED RESET THRESHOLD (V)
1109580655035205-10-25
0.995
1.000
1.005
1.010
0.990
-40 125
RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6467 toc04
TEMPERATURE (°C)
RESET TIMEOUT PERIOD (ms)
1109565 80-10 5 20 35 50-25
201
202
203
204
205
206
207
208
209
210
200
-40 125
V
CC
TO RESET DELAY
vs. TEMPERATURE
MAX6467 toc03
TEMPERATURE (°C)
V
CC
TO RESET DELAY (µs)
1109580655035205-10-25
18
20
22
24
26
16
-40 125
V
CC
= V
TH
+ 100mV TO V
TH
- 100mV
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX6467 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
5.04.53.5 4.01.0 1.5 2.0 2.5 3.00.5
1
2
3
4
5
6
7
8
9
10
0
0 5.5
SUPPLY CURRENT vs. TEMPERATURE
MAX6467 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
1109565 80-10 5 20 35 50-25
1
2
3
4
5
6
7
8
9
10
0
-40 125
V
CC
= +5.5V
V
CC
= +3.6V
V
CC
= +1.8V
V
CC
= +2.5V
MAX6467/MAX6468 Microprocessor Supervisory Reset Circuits
with Edge-Triggered, One-Shot Manual Reset
www.maximintegrated.com
Maxim Integrated
3
Typical Operating Characteristics
Electrical Characteristics