Datasheet

Figure 5. Reset Block Diagram
Figure 6. Reset Timing
+
-
1.3V
RESET RESET
TIME
Q
R
RESET
RESET
WATCHDOG
FROM
WATCHDOG
TIMER
V
CC
CE IN
CE OUT
LOW LINE
10 kHz CLOCK
FROM TIMEBASE
SECTION
POWER-ON
RESET
METAL
LINK
TRIMMED
RESISTORS
4.7V
50ms*
V
CC
RESET
OUTPUT
4.7V4.6V 4.6V
*200ms FOR MAX694 AND MAX695
V
OUT
- V
BATT
LOW LINE
OUTPUT
CE IN
CE IN
50ms*
MAX690–MAX695 Microprocessor Supervisory Circuits
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Maxim Integrated │ 10