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CAT859STBI-GT3 Datasheet(PDF) 6 Page - ON Semiconductor |
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CAT859STBI-GT3 Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 9 page CAT853, CAT859, CAT863, CAT869 http://onsemi.com 6 Bi−directional Reset Pin Interfacing The CAT859 and CAT869 can interface with mP/mC bi−directional reset pins by connecting a 4.7 kW resistor in series with the CAT859 and CAT869 reset output and the mP/mC bi−directional reset pin. CAT8x9 GND Power Supply Buffered BUF INPUT GND Bi−directional I/O Pin (For example: 68HC11) Figure 9. Bi−directional Reset Pin Interfacing VCC RESET VCC 4.7 kW RESET RESET mP CAT853 and CAT863 Open−Drain RESET Application The CAT853 and CAT863 features an open−drain RESET output and therefore need a pull−up resistor on the output for proper operation, as shown on Figure 10. An advantage of the open−drain output includes the ability to “wire AND” several outputs together to form an inexpensive logic circuit. It is also possible to have the pull−up resistor connected to a different supply which can be higher than the CAT8x3 VCC pin. The value of the pull−up resistor is not critical in most applications, typical values being between 5 k W and 10 kW. CAT8x3 GND Power Supply INPUT GND 5 kW Figure 10. Typical CAT8x3 Open−Drain Circuit Configuration VCC RESET VCC mP RESET |
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Similar Description - CAT859STBI-GT3 |
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