Fix: 74LVC241 unit B pin polarity

Fix for #3236 (closed)

74LVC2G241 (and 74AUC2G241) had the wrong pin polarity for pin 7 - unit B is not inverted, unit A is.

http://www.ti.com/lit/ds/symlink/sn74lvc1g14.pdf

After:

Unit A

Unit B:

Unit C:

Other changes

• Pins changed from 0.3 to 0.2 inches - 0.3 is very long for this purpose
• Moved DS field down a bit