MAX6753 MAXIM [Maxim Integrated Products], MAX6753 Datasheet - Page 3
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MAX6753
Manufacturer Part Number
MAX6753
Description
?P Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX6753.pdf
(14 pages)
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ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Production testing done at T
Fast Watchdog Timeout Period,
SET Ratio = 64,
(MAX6752/MAX6753)
Fast Watchdog Minimum Period
(MAX6752/MAX6753)
SWT Ramp Current
SWT Ramp Threshold
RESET Output-Voltage LOW
Open-Drain, Push-Pull
(Asserted)
RESET Output-Voltage HIGH,
Push-Pull (Not Asserted)
RESET Output Leakage Current,
Open Drain
DIGITAL INPUTS (MR, SET0, SET1, WDI, WDS)
MR Minimum Pulse Width
MR Glitch Rejection
MR to RESET Delay
MR Pullup Resistance
WDI Minimum Pulse Width
RESET IN
RESET IN Threshold
RESET IN Leakage Current
RESET IN to RESET Delay
Input Logic Levels
CC
= +1.2V to +5.5V, T
µP Reset Circuits with Capacitor-Adjustable
PARAMETER
_______________________________________________________________________________________
A
= T
MIN
to T
A
SYMBOL
V
MAX
I
RESET IN
= +25°C. Over temperature limits are guaranteed by design.
V
RESET IN
I
t
RAMP
I
V
RAMP
V
WD1
LKG
V
V
V
V
OH
OL
, unless otherwise specified. Typical values are at V
IH
IH
IL
IL
Reset/Watchdog Timeout Delay
C
C
V
V
V
V
V
V
V
V
V
V
V
V
Pullup to V
RESET IN falling at 1mV/µs
SWT
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
RESET
SWT
SWT
= 1.6V to 5V (V
≥ 1.0V, I
≥ 2.7V, I
≥ 4.5V, I
≥ 1.8V, I
≥ 2.25V, I
≥ 4.5V, I
> V
≥ 4.0V
< 4.0V
= 0 to 1.23V, V
= 1500pF
= 100pF
= 5.5V
TH
, reset not asserted,
CC
SINK
SINK
SINK
SOURCE
SOURCE
SOURCE
CONDITIONS
= 50µA
= 1.2mA
= 3.2mA
T A = -40°C to +125°C
RAMP
CC
= 200µA
= 800µA
= 500µA
= 1.6V to 5V
rising)
CC
0.8 x V
0.8 x V
0.8 x V
0.7 x V
11.38
1.173
1.216
= +5V and T
2000
MIN
200
300
2.4
-50
12
1
CC
CC
CC
CC
15.18
1.235
1.235
TYP
1.01
250
100
200
20
±1
20
A
= +25°C.) (Note 1)
0.3 x V
18.98
1.297
1.254
MAX
+50
300
0.3
0.3
0.4
1.0
0.8
28
CC
UNITS
ms
kΩ
nA
µA
nA
ns
µs
ns
ns
ns
µs
V
V
V
V
V
3