| SWITCH PORT A |
| A0+ |
2 |
I/O |
Port A, Channel 0, High-Speed Positive Signal |
| A0– |
3 |
I/O |
Port A, Channel 0, High-Speed Negative Signal |
| A1+ |
6 |
I/O |
Port A, Channel 1, High-Speed Positive Signal |
| A1– |
7 |
I/O |
Port A, Channel 1, High-Speed Negative Signal |
| A2+ |
11 |
I/O |
Port A, Channel 2, High-Speed Positive Signal |
| A2– |
12 |
I/O |
Port A, Channel 2, High-Speed Negative Signal |
| A3+ |
15 |
I/O |
Port A, Channel 3, High-Speed Positive Signal |
| A3– |
16 |
I/O |
Port A, Channel 3, High-Speed Negative Signal |
| SWITCH PORT B |
| B0+ |
38 |
I/O |
Port B, Channel 0, High-Speed Positive Signal |
| B0– |
37 |
I/O |
lPort B, Channel 0, High-Speed Negative Signal |
| B1+ |
36 |
I/O |
Port B, Channel 1, High-Speed Positive Signal |
| B1– |
35 |
I/O |
Port B, Channel 1, High-Speed Negative Signal |
| B2+ |
29 |
I/O |
Port B, Channel 2, High-Speed Positive Signal |
| B2– |
28 |
I/O |
Port B, Channel 2, High-Speed Negative Signal |
| B3+ |
27 |
I/O |
Port B, Channel 3, High-Speed Positive Signal |
| B3– |
26 |
I/O |
Port B, Channel 3, High-Speed Negative Signal |
| SWITCH PORT C |
| C0+ |
34 |
I/O |
Port C, Channel 0, High-Speed Positive Signal |
| C0– |
33 |
I/O |
Port C, Channel 0, High-Speed Negative Signal |
| C1+ |
32 |
I/O |
Port C, Channel 1, High-Speed Positive Signal |
| C1– |
31 |
I/O |
Port C, Channel 1, High-Speed Negative Signal |
| C2+ |
25 |
I/O |
Port C, Channel 2, High-Speed Positive Signal |
| C2– |
24 |
I/O |
Port C, Channel 2, High-Speed Negative Signal |
| C3+ |
23 |
I/O |
Port C, Channel 3, High-Speed Positive Signal |
| C3– |
22 |
I/O |
Port C, Channel 3, High-Speed Negative Signal |
| CONTROL, SUPPLY, AND NO CONNECT |
| NC |
8 |
— |
Electrically not connected. May connect to VDD or GND, or leave unconnected. |
| 18 |
| 42 |
| GND |
1 |
Supply |
Negative power supply voltage |
| 4 |
| 10 |
| 14 |
| 17 |
| 19 |
| 21 |
| 39 |
| 41 |
| Center Pad |
| SEL |
9 |
I |
Select between port B or port C. Internally tied to GND through a 100-kΩ resistor |
| VDD |
5 |
Supply |
Positive power supply voltage |
| 13 |
| 20 |
| 30 |
| 40 |