Datasheet

MAX690T/S/R, 704T/S/R, 802T/S/R, 804–806T/S/R
3.0V/3.3V Microprocessor Supervisory Circuits
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MAX690T/S/R
MAX704T/S/R
MAX802T/S/R
MAX806T/S/R
V
CC
GND
RESET
V
CC
GND
4.7kΩ
RESET
μP
BUFFERED RESET TO OTHER SYSTEM COMPONENTS
100
0
10 100 1000
20
DS690-806 fig7
RESET COMPARATOR OVERDRIVE (V
RST
- V
CC
) (mV)
MAXIMUM TRANSIENT DURATION (μs)
40
60
80
V
CC
= 3.3V
T
A
= +25°C
Figure 6. Interfacing to µPs with Bidirectional Reset I/O
Figure 7. Maximum Transient Duration without Causing a
Reset Pulse vs. Reset Comparator Overdrive
MAX704T/S/R
MAX806T/S/R
V
OUT
RESET
VBATT
V
CC
GND
0.1µF
3.6V
PFI
MR
0.1µF 0.1µF
RAM
μP
3.0V OR 3.3V
_Typical Operating Circuits (cont.)