...
| Part No | Chip | Manufacture | Speed nS | Package | Price | |||
|---|---|---|---|---|---|---|---|---|
| Min | Typ | Max | ||||||
| 1741279 | SN74LVC1G139DCTR | Ti | <2.5 | SM8 | $ 0.69 | |||
| SN74LVC1G139DCUT | Ti / Farnell | <2.5 | VSSOP | £0.404 | ||||
...
The one pixel blue line for the board size is difficult to see unless viewed full size.
Layout with SO 16 footprint overlaid
This shows that the holes line up with pads that need to be soldered.
Layout over the original PCB
...
Here are the layers as a pdf file. The board is small, zooming in is generally helpful.
| View file | ||||
|---|---|---|---|---|
|
...