Timeline for Why should an open drain/collector comparator go low when pull up is not connected if it is essentially a floating node?
Current License: CC BY-SA 4.0
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| when toggle format | what | by | license | comment | |
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| Jun 5, 2023 at 5:26 | comment | added | user319836 | The staes cannot be defined with voltage or current because nieither are supplied. Instead the states can be defined in terms of resistance: RDSon and RDSoff. RDSon can be estimated from the datasheets. A rough lower bound for RDSoff can be calculated using IDSS andthe test voltge. | |
| Jun 4, 2023 at 22:42 | comment | added | Tim Williams | "Only possible state" seems misleading. The simulation for example seems to suggest "undefined" is a better description of the non-low state. In IEEE 1164 terms: 'Z'. | |
| Jun 4, 2023 at 20:33 | history | answered | CL. | CC BY-SA 4.0 |