ISOA[1:2] Isolated I/O Ports
Applies to: 
Isolated I/O characteristics
|
Parameter |
Measurement condition |
Min. |
Typ. |
Max. |
Unit |
|---|---|---|---|---|---|
|
High level output voltage |
|
4.5 |
– |
5.2 |
V |
|
High level output current |
|
|
|
8 |
mA |
|
Low level output voltage |
|
0 |
– |
600 |
mV |
|
Low level output current |
|
|
|
100 |
mA |
|
Input current |
12V input, high level |
|
|
5 |
mA |
|
Input current |
12V input, low level |
|
|
50 |
µA |
|
Input current |
TTL input, high level |
|
|
200 |
µA |
|
Input current |
TTL input, low level |
|
|
2 |
mA |
Output Mode
In the following schematics, the output pin corresponds to the ISOA1 or ISOA2 signals.
Equivalent schematic in IOE output mode in high state
Equivalent schematic in IOC output mode in low state
Equivalent schematic in ITTL active high mode
Equivalent schematic in ITTL active low mode
Input Mode
In the following schematics, the input pin corresponds to the IsoA1 or IsoA2 signals.
Equivalent schematic in ITTL input mode
Equivalent schematic in I12V input mode