MAX693AC/D Maxim Integrated, MAX693AC/D Datasheet - Page 10
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MAX693AC/D
Manufacturer Part Number
MAX693AC/D
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX691A, MAX693A, MAX800, MAX800L, MAX800Mr
Datasheet
1.MAX693AEJE.pdf
(17 pages)
Specifications of MAX693AC/D
Number Of Voltages Monitored
1
Monitored Voltage
0 V to 5.5 V
Undervoltage Threshold
4.25 V
Overvoltage Threshold
4.5 V
Output Type
Active High, Active Low, Open Drain
Manual Reset
Not Resettable
Watchdog
Watchdog
Battery Backup Switching
Backup
Power-up Reset Delay (typ)
280 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 70 C
Package / Case
Die
Chip Enable Signals
Yes
Minimum Operating Temperature
0 C
Power Fail Detection
Yes
Supply Current (typ)
100 uA
Supply Voltage - Min
0 V
Microprocessor Supervisory Circuits
Figure 4. MAX691A/MAX693A/MAX800L/MAX800M Block Diagram
Figure 5. Reset and Chip-Enable Timing
10
______________________________________________________________________________________
* 4.4V FOR THE MAX693A/MAX800M
LOGIC LEVELS SHOWN ARE FROM 0V TO 5V.
OSC SEL
OSC IN
VBATT
CE IN
5.0V
4.0V
5.0V
WDI
V
PFI
5V
5V
0V
5V
0V
0V
0V
CC
13
THRESHOLD
11
1
3
7
8
9
CE OUT
RESET
RESET
RESET
CE IN
V
CC
4.65V*
1.25V
MAX800M
MAX691A
MAX693A
MAX800L
100μs
15μs
5
TIMEBASE FOR
BATT ON
WATCHDOG
TRANSITION
WATCHDOG
RESET AND
DETECTOR
4
GND
WATCHDOG
CHIP-ENABLE
GENERATOR
CONTROL
TIMER
OUTPUT
RESET
100μs
15
6
12
16
14
2
10
LOW LINE
RESET
WDO
PFO
CE OUT
V
RESET
OUT