CAT811LTBI Datasheet, PDF (7/9 Pages) ON Semiconductor – 4-Pin Microprocessor Power Supply Supervisors with Manual Reset

CAT811, CAT812
Bi−directional Reset Pin Interfacing
The CAT811/812 can interface with mP/mC bi−directional reset pins by connecting a 4.7 kW resistor in series with the
CAT811/812 reset output and the mP/mC bi−directional reset pin.
Power
Supply
BUF
Buffered
RESET
CAT811
MR RESET
GND
4.7 kW
V_CC
mP
RESET
INPUT
C AT8 11
GND
(for example: 68HC11)
Bi−directional I/O Pin
Figure 10. Bi−directional Reset Pin Interfacing
Table 5. OTHER SUPERVISORY PRODUCTS
Function
CAT1161/3
With 16k Bit Serial EEPROM Memory
a
Watchdog Timer
a
Manual Reset Input
a
Active Low Reset
Active High Reset
Dual Polarity Reset Outputs
Package
a
8−pin DIP
and SOIC
CAT1162
a
a
a
8−pin DIP
and SOIC
CAT809
CAT810
a
a
3−pin SOT−23 3−pin SOT−23
and SC70
and SC70
CAT811
a
a
4−pin
SOT−143
CAT812
a
a
4−pin
SOT−143
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