| ??? 08/06/09 08:28 Read: times |
#168206 - tristate Responding to: ???'s previous message |
I believe the SN75176 can be set tristate mode, but 6N138 not.
I think the fourth option is the only one in this case. 74157 will fit? Thanks. |
| Topic | Author | Date |
| Digitally switching RX input | 01/01/70 00:00 | |
| Multiplexing | 01/01/70 00:00 | |
| tristate | 01/01/70 00:00 | |
| Spare chips | 01/01/70 00:00 | |
| You can build a 2:1 mux | 01/01/70 00:00 | |
| I vote for Richard's method | 01/01/70 00:00 | |
| 6N138 can be strobed at Vb pin... | 01/01/70 00:00 | |
| Have you considered a chip with 2 UARTs? | 01/01/70 00:00 | |
two diodes and a resistor | 01/01/70 00:00 |