MAX6701 Maxim, MAX6701 Datasheet - Page 7

• Manufacturer Part Number: MAX6701
• Description: Low-Voltage / SOT23 P Supervisors with Power- Fail In/Out / Manual Reset / and Watchdog Timer
• Manufacturer: Maxim

Figure 1. MAX6705(A)/MAX6706(A)/MAX6707(A) Functional
Diagram
Figure 2. MAX6704/MAX6708 Functional Diagram
Low-Voltage, SOT23 µP Supervisors with Power-
PFI
V
MR
WDI
V
CC
MR
PFI
CC
Fail In/Out, Manual Reset, and Watchdog Timer
( ) ARE FOR MAX6706(A) ONLY.
4
1
2
6
1
2
4
V
CC
V
0.62V
CC
50kΩ
0.62V
V
50kΩ
REF
V
REF
_______________________________________________________________________________________
GND
GENERATOR
WATCHDOG
MAX6704
MAX6708
3
RESET
TIMER
3
GENERATOR
WATCHDOG
MAX6705(A)
MAX6706(A)
MAX6707(A)
RESET
TIMER
GND
8
7
6
5
RESET
RESET
PFO
WDI
(MAX6704 ONLY)
8
7
5
PFO
WDO
RESET
(RESET)
Figure 3. MAX6701(A)/MAX6702(A)/MAX6703(A) Functional
Diagram
Figure 4. MAX6705/MAX6706/MAX6707 RESET , MR , WDO ,
and WDI Timing
RST_IN1
WDO
WDI
RESET
MR
MR
V
CC
V
V
V
NOTE: THE MAX6706 RESET OUTPUT IS THE INVERSE OF THE RESET SHOWN.
V
V
CC
0V
CC
0V
CC
0V
CC
CC
0V
( ) ARE FOR MAX6702(A) ONLY.
0.62V
V
CC
50kΩ
V
V
REF
TH
V
TH
GENERATOR
RESET
t
RP
MR EXTERNALLY DRIVEN LOW
MAX6703(A)
MAX6701(A)
MAX6702(A)
WATCHDOG
0.62V
TIMER
t
MD
t
RP
RESET (RESET)
WDO
WDI
RST_IN2
7