Datasheet

MAX814/MAX815/MAX816
±1% Accuracy, Low-Power, +3V and +5V
µP Supervisory Circuits
8 _______________________________________________________________________________________
MAX814K/L/N
V
CC
+5V
+3.3V
PFI
MR
PFO
GND
RESET
RESET
MAX814
V
CC
V
CC
+12V SUPPLY
GND
MANUAL
RESET
INPUT
PFI
MR
RESET
µP
RESET
NMI
INTERRUPT
LOW LINE
PFO
RESET
MAX816
V
CC
V
CC
V
RT
+12V SUPPLY
GND
MANUAL
RESET
INPUT
PFI
ON POWER-UP, RESET IS LOW UNTIL V
CC
> 2.8V.
R1
R2
MR
RESET IN
µP
RESET
INTERRUPT
RESET
PFO
RESET
MAX815
V
CC
V
CC
+12V SUPPLY
GND
MANUAL
RESET
INPUT
PFI
MR
RESET
µP
RESET
I/O LINE
NMI
INTERRUPT
WDI
WDO
PFO
Figure 1a. Typical Application for Dual +3.3V and +5V Systems
Figure 1b. MAX814 Typical Application
Figure 2. MAX815 Typical Application
Figure 3. MAX816 Typical Application