MAX793T Datasheet

  • MAX793T

  • 3.0V/3.3V可调、微处理器监控电路, 微处理器监控电路, 提供备用...

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  • MAXIM

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3.0V/3.3V Adjustable Microprocessor
Supervisory Circuits
MAX793/MAX794/MAX795
____________________________Typical Operating Characteristics (continued)
(T
A
= +25掳C, unless otherwise noted.)
MAX794
RESET IN THRESHOLD AND LOWLINE-TO-RESET IN
THRESHOLD vs. TEMPERATURE
MAX793 TOC10
MAX793
BATT OK THRESHOLD vs. TEMPERATURE
MAX793 TOC11
CE IN-TO-CE OUT ON-RESISTANCE
vs. TEMPERATURE
CE IN-TO-CE OUT ON-RESISTANCE (鈩?
MAX793 TOC12
LOWLINE-TO-RESET IN THRESHOLD (mV)
1.242
1.241
V
RESET IN
1.240
1.239
V
LOWLINE
- V
RST
1.238
1.237
V
CC
FALLING
1.236
-40
-20
0
20
40
60
80
30
25
20
15
10
5
0
2.5
60
50
40
30
20
10
V
CC
= V
RST
MAX
0
-40
-20
0
20
40
60
80
RESET IN THRESHOLD (V)
BATT OK THRESHOLD (V)
2.0
1.5
1.0
0.5
V
BATT
FALLING
0
-40
-20
0
20
40
60
80
100
TEMPERATURE (掳C)
100
100
TEMPERATURE (掳C)
TEMPERATURE (掳C)
MAX793/MAX794
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
MAX793 TOC13
MAX793/MAX794
BATTERY FRESHNESS SEAL
LEAKAGE CURRENT vs. TEMPERATURE
V
BATT
= 5.5V
V
CC
= 0V
V
OUT
= 0V
MAX793 TOC14
RESET THRESHOLD vs.
TEMPERATURE (NORMALIZED)
MAX793 TOC15
1.70
WATCHDOG TIMEOUT PERIOD (sec)
20
1.002
1.001
V
RST
(NORMALIZED)
1.000
0.999
0.998
0.997
V
CC
FALLING
1.65
LEAKAGE CURRENT (nA)
15
1.60
10
1.55
5
1.50
-40
-20
0
20
40
60
80
100
TEMPERATURE (掳C)
0
-40
-20
0
20
40
60
80
100
TEMPERATURE (掳C)
0.996
-40
-20
0
20
40
60
80
100
TEMPERATURE (掳C)
MAX793/MAX794
PFI TO PFO PROPAGATION DELAY
vs. TEMPERATURE
MAX793 TOC16
10
PROPAGATION DELAY (碌s)
8
6
4
2
V
PFI
FALLING
20mV OVERDRIVE
-40
-20
0
20
40
60
80
100
0
TEMPERATURE (掳C)
6
_______________________________________________________________________________________

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