MAX691AD Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX691AD Datasheet PDF : 16 Pages
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Microprocessor Supervisory Circuits
VCC 3
4.65V*
VBATT 1
CE IN 13
7
OSC IN
8
OSC SEL
11
WDI
PFI 9
MAX691A
MAX693A
MAX800L
MAX800M
1.25V
5 BATT ON
CHIP-ENABLE
OUTPUT
CONTROL
TIMEBASE FOR
RESET AND
WATCHDOG
WATCHDOG
TRANSITION
DETECTOR
RESET
GENERATOR
WATCHDOG
TIMER
* 4.4V FOR THE MAX693A/MAX800M
4 GND
Figure 4. MAX691A/MAX693A/MAX800L/MAX800M Block Diagram
6 LOW LINE
2 VOUT
12 CE OUT
16 RESET
15 RESET
14 WDO
10 PFO
5.0V
VCC
4.0V
RESET
5.0V THRESHOLD
CE IN
0V
5V
0V
CE OUT
5V
RESET
0V
5V
RESET
0V
LOGIC LEVELS SHOWN ARE FROM 0V TO 5V.
15µs
100µs
100µs
Figure 5. Reset and Chip-Enable Timing
10 ______________________________________________________________________________________
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