| Pin |
Symbol |
Description |
| 1 |
GND |
ground |
| 2 |
DATA |
serial data in |
| 3 |
CLOCK |
clock input (low-to-high triggered) |
| 4 |
LATCH |
data strobe input (active high) |
| 5 |
OUT0 |
current-sinking output |
| 6 |
OUT1 |
current-sinking output |
| 7 |
OUT2 |
current-sinking output |
| 8 |
OUT3 |
current-sinking output |
| 9 |
OUT4 |
current-sinking output |
| 10 |
OUT5 |
current-sinking output |
| 11 |
OUT6 |
current-sinking output |
| 12 |
OUT7 |
current-sinking output |
| 13 |
OUT8 |
current-sinking output |
| 14 |
OUT9 |
current-sinking output |
| 15 |
OUT10 |
current-sinking output |
| 16 |
OUT11 |
current-sinking output |
| 17 |
OUT12 |
current-sinking output |
| 18 |
OUT13 |
current-sinking output |
| 19 |
OUT14 |
current-sinking output |
| 20 |
OUT15 |
current-sinking output |
| 21 |
OE
|
output enable (active low) |
| 22 |
DATA OUT |
serial data out, for cascading |
| 23 |
REXT |
external resistor to ground (sets output current) |
| 24 |
Vcc |
supply voltage |