Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
| projects:electronics:ioboard [2010/09/14 17:44] – jeff | projects:electronics:ioboard [2014/11/13 10:50] (current) – external edit 127.0.0.1 | ||
|---|---|---|---|
| Line 50: | Line 50: | ||
| |n/c|OSC |B30^# | |n/c|OSC |B30^# | ||
| |Gnd|Ground |B31^# | |Gnd|Ground |B31^# | ||
| + | |||
| + | ====== IC's ====== | ||
| + | |||
| + | ^Label^Chip^Count^Description^ | ||
| + | | |HP3700|16|Opto-isolator| | ||
| + | | |ULN2803A|2|driver| | ||
| + | |U27|74HC374|1|IP/ | ||
| + | |U17, | ||
| + | |U16|HC374|1|FLIP FLOP OCT 3ST| | ||
| + | |U20|HC138A|1|IC DECODER 3-TO-8 LINE| | ||
| + | |U39|HC688|1|IC COMPARATOR EQUALITY 8B| | ||
| + | |U22, | ||
| + | |U21|HC00A|1|IC GATE NAND QUAD 2INP| | ||
| + | |U19|HC32A|1|IC GATE OR QUAD 2INP| | ||
| + | |U38|74HC74AM|1|F/ | ||
| + | |U25|74HC4538M|1|IC MULTIVIBRATOR DUAL HS| | ||
| + | |U24|HCT245A|1|IC TRANSCVR 8BIT N-INV| | ||
| + | |||