diff --git a/Transceiver-Comparison.md b/Transceiver-Comparison.md index aac9b99..6c707fd 100644 --- a/Transceiver-Comparison.md +++ b/Transceiver-Comparison.md @@ -11,7 +11,7 @@ The original RaSCSI uses the [SN74LS641](https://www.ti.com/lit/ds/symlink/sn74l | Unsuitable | [SN74LS245DW](https://www.ti.com/lit/ds/symlink/sn74ls245.pdf?HQS=TI-null-null-mousermode-df-pf-null-wwe&ts=1599280883179&ref_url=https%253A%252F%252Fwww.mouser.ca%252F) | 1.34| 4 | Can only sink 24mA, SCSI protocol requires 48mA | | Unsuitable| [SN7406DRG4](https://www.ti.com/lit/ds/symlink/sn7406.pdf?HQS=TI-null-null-digikeymode-df-pf-null-wwe&ts=1599282149626)| 1.34 | 4 | Can only sink 40mA. Will require new layout and increase in chip count as it has less i/o than above. | | Potential Candidate | [SN74ALS245A-1](https://www.ti.com/lit/ds/symlink/sn74als245a.pdf) | 1.49 | 4 | VCC 5v, -1 unit will sink 48mA | - +| | [SN74F245DW](https://www.ti.com/lit/ds/symlink/sn74f245.pdf?)| 1.24 | 4 | Low state current can sink 48mA| Note: as of 2020-08-04 the **SN74LS641-1** is the transceiver suggested when building the RaSCSI.