ZHCSOE2C November 2005 – July 2021 SN65C3221E , SN75C3221E
PRODUCTION DATA
| INPUTS(1) | OUTPUT DOUT |
DRIVER STATUS | |||
|---|---|---|---|---|---|
| DIN | FORCEON | FORCEOFF | VALID RIN RS-232 LEVEL |
||
| X | X | L | X | Z | Powered off |
| L | H | H | X | H | Normal
operation with auto-powerdown disabled |
| H | H | H | X | L | |
| L | L | H | Yes | H | Normal
operation with auto-powerdown enabled |
| H | L | H | Yes | L | |
| L | L | H | No | Z | Powered
off by auto-powerdown feature |
| H | L | H | No | Z | |
| INPUTS(1) | OUTPUT ROUT |
||
|---|---|---|---|
| RIN | EN | VALID RIN RS-232 LEVEL |
|
| L | L | X | H |
| H | L | X | L |
| X | H | X | Z |
| Open | L | No | H |