| Pin Name | Pin No (IC) | Pin No (Microcontroller) |
|---|---|---|
| Clock | 3 | 8 |
| Data | 2 | 7 |
| Output enable | 15 | 6 |
| Strobe | 1 | +5v |
| VDD | 16 | +5v |
| VSS | 8 | GND |
| D1->D8 (O/P | 4..7, 1 4..11 | (Connected to LEDs) |
| Qs, Qs`(NC) | 9, 10 | (Cascadeing more ICs) |
-
I will always set Strobe pin HIGH by connecting it directly to 5v so the register always moves the data to storage register. Becuase that's what I want in most cases in order to make this IC work properly
-
Connect negative - terminal of the LEDs to GND and positive + terminal to output of the IC