MAX800 Maxim Integrated Products, MAX800 Datasheet - Page 10

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MAX800

Manufacturer Part Number
MAX800
Description
Microprocessor Supervisory Circuits
Manufacturer
Maxim Integrated Products
Datasheet

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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
V
WDI
PFI
0V
5V
0V
5V
0V
5V
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
PFO
CE OUT
WDO
V
RESET
OUT

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