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Updated Transceiver Comparison (markdown)

akuker 2022-02-11 20:20:38 -06:00
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Transceiver-Comparison.md

@ -131,6 +131,21 @@ Switched by `PI-IND`:
> ATN, ACK, RST, SEL
# Detailed discusison/comparison
[Wikipedia list of 74xx logic parts](https://en.wikipedia.org/wiki/List_of_7400-series_integrated_circuits#74x200_%E2%80%93_74x299)
| Product | Chip and Datasheet | Cost ($) | Qty needed | Notes |
| - | - | - | - | - |
| RaSCSI Original Version | [SN74LS641-1](https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS641-1DW?qs=SL3LIuy2dWxXHvPKLk%252BfLw%3D%3D) | 3.30 | 4 | VCC is 5v |
|Part number | Units | Description | Input | Output | Pins | Datasheet|
| ------------- | ----- | ------------- | ----- | ------------- | ----- | ---------|
| 74x245 | 8 | octal bus transceiver, non-inverting outputs | Schmitt trigger | three-state | 20 | SN74LS245 |
| 74x641 | 1 | octal bus transceiver, non-inverting outputs | | open-collector | 20 | SN74LS641 |
### Notes
<a name="ref-1">(1)</a> [Comment by `saybur`](https://68kmla.org/forums/index.php?app=forums&module=forums&controller=topic&id=30399&page=7&tab=comments#comment-646496)