
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 P Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
_______________________________________________________________________________________
7
WATCHDOG
TIMER
RESET
GENERATOR
8
WDI
(MAX6704 ONLY)
7
6
RESET
5
PFO
3
0.62V
VREF
VCC
50k
1
MR
2
VCC
4
PFI
MAX6704
MAX6708
GND
RESET
GENERATOR
WATCHDOG
TIMER
RESET (RESET)
WDO
WDI
0.62V
VREF
MR
VCC
RST_IN1
RST_IN2
VCC
50k
MAX6701(A)
MAX6702(A)
MAX6703(A)
( ) ARE FOR MAX6702(A) ONLY.
Figure 2. MAX6704/MAX6708 Functional Diagram
Figure 3. MAX6701(A)/MAX6702(A)/MAX6703(A) Functional
Diagram
WATCHDOG
TIMER
RESET
GENERATOR
VCC
50k
8
WDO
7
RESET
(RESET)
5
PFO
GND
3
0.62V
( ) ARE FOR MAX6706(A) ONLY.
6
WDI
1
MR
2
V
VREF
CC
4
PFI
MAX6705(A)
MAX6706(A)
MAX6707(A)
Figure 1. MAX6705(A)/MAX6706(A)/MAX6707(A) Functional
Diagram
tRP
VCC
0V
RESET
WDO
VCC
0V
WDI
VCC
0V
MR
MR EXTERNALLY DRIVEN LOW
VCC
0V
VCC
VTH
tMD
NOTE: THE MAX6706 RESET OUTPUT IS THE INVERSE OF THE RESET SHOWN.
Figure 4. MAX6705/MAX6706/MAX6707 RESET, MR, WDO,
and WDI Timing