CAT811, CAT812

http://onsemi.com

7

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.

Figure 10. Bi−directional Reset Pin Interfacing

GND

4.7 kW

CAT811

CAT8 11

GND

BUF

INPUT

Power

Supply

(for example: 68HC11)

Buffered

Bi−directional I/O Pin

RESET

MR RESET

RESET

mP

Table 5. OTHER SUPERVISORY PRODUCTS

Function

CAT1161/3

CAT1162

CAT809

CAT810

CAT811

CAT812

With 16k Bit Serial EEPROM Memory

a

a

Watchdog Timer

a

Manual Reset Input

a

a

a

a

Active Low Reset

a

a

Active High Reset

a

a

Dual Polarity Reset Outputs

a

a

Package

8−pin DIP

and SOIC

8−pin DIP

and SOIC

3−pin SOT−23

and SC70

3−pin SOT−23

and SC70

4−pin

SOT−143

4−pin

SOT−143