MAX794EPE Maxim Integrated, MAX794EPE Datasheet - Page 3
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MAX794EPE
Manufacturer Part Number
MAX794EPE
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX793, MAX793R, MAX793S, MAX793T, MAX794, MAX795, MAX795R, MAX795S, MAX795Tr
Datasheet
1.MAX793SCPE.pdf
(20 pages)
Specifications of MAX794EPE
Number Of Voltages Monitored
1
Monitored Voltage
3 V, 3.3 V
Undervoltage Threshold
Adjustable
Overvoltage Threshold
Adjustable
Output Type
Active High, Active Low, Open Drain
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
Backup
Power-up Reset Delay (typ)
280 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Package / Case
PDIP N
Chip Enable Signals
Yes
Maximum Power Dissipation
842 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
Yes
Supply Current (typ)
62 uA
Supply Voltage - Min
1.1 V
ELECTRICAL CHARACTERISTICS (continued)
(V
MAX793R/MAX794/MAX795R, V
INPUT AND OUTPUT LEVELS
Reset Threshold (Note 8)
RESET IN Threshold
(MAX794 only)
RESET IN Leakage Current
(MAX794 only)
Reset Timeout Period
LOWLINE-to-Reset
Threshold, (V
V
Low-Line Comparator
Hysteresis
LOWLINE Threshold,
V
PFI Input Threshold
PFI Input Current
PFI Hysteresis, PFI Rising
BATT OK Threshold
(MAX793)
RESET Output-Voltage High
BATT OK, BATT ON, WDO,
LOWLINE Output-Voltage
High
PFO Output-Voltage High
BATT ON Output-
Voltage High
RESET Output Leakage
Current (Note 9)
PFO Output Short to GND
Current
PFO, RESET, RESET, WDO,
LOWLINE Output-Voltage
Low
CC
RST
CC
= 3.17V to 5.5V for the MAX793T/MAX795T, V
Rising
), V
PARAMETER
CC
Falling
LOWLINE
_______________________________________________________________________________________
-
3.0V/3.3V Adjustable Microprocessor
SYMBOL
V
BATT
V
I
V
RST IN
V
V
V
V
LEAK
V
V
V
V
I
t
BOK
RST
SC
RP
OH
OH
OH
OH
LR
TH
OL
LL
= 3.6V, T
V
V
V
V
V
MAX793
MAX794
MAX793
MAX794
MAX793T/MAX795T
MAX793S/MAX795S
MAX793R/MAX795R
MAX794
V
V
I
I
I
I
V
V
I
with V
WDO tested with V
SOURCE
SOURCE
SOURCE
SOURCE
SINK
CC
CC
CC
CC
CC
PFI
PFI
CC
CC
A
falling
rising
falling
rising
< 3.6V
falling
rising
= V
= 3.3V, V
= 1.2mA; RESET, LOWLINE tested
CC
= T
RST
= 300µA, V
= 300µA, V
= 65µA, V
= 100µA, V
= V
MIN
CC
max
RST
to T
PFO
CONDITIONS
= 3.02V to 5.5V for the MAX793S/MAX795S, V
min; RESET, BATTOK,
MAX
= 0V
CC
CC
CC
CC
CC
, unless otherwise noted. Typical values are at T
= V
= V
MAX793T/MAX795T
MAX793S/MAX795S
MAX793R/MAX795R
MAX793T/MAX795T
MAX793S/MAX795S
MAX793R/MAX795R
= V
= V
= 2.3V, V
RST
RST
RST
RST
max
max
min
max
BATT
Supervisory Circuits
= 3V
0.8V
0.8V
0.8V
0.8V
1.212
1.212
1.212
1.212
3.00
2.85
2.55
3.00
2.85
2.55
2.00
MIN
140
-25
-25
30
-1
5
BATT
CC
CC
CC
0.86V
0.86V
3.075
2.925
2.625
3.085
2.935
2.635
1.240
1.250
1.240
1.250
TYP
2.25
0.08
200
180
45
15
10
10
10
2
2
CC
CC
CC
= 2.72V to 5.5V for the
A
= +25°C.)
0.2V
1.262
1.282
1.317
1.262
1.287
MAX
3.15
3.00
2.70
3.17
3.02
2.72
3.23
3.08
2.78
2.50
280
500
25
60
25
25
20
-1
CC
UNITS
mV
mV
mV
mV
ms
nA
nA
µA
µA
V
V
V
V
V
V
V
V
V
V
3