| Building blocks used in VTC-1 | |||
|---|---|---|---|
| Name | Symbol | Comment | Schematic |
| CF-OR |  |
Wired cathode follower Single load in Multiple drive out |
 |
| D-OR |  |
Diode-resistor Heavy load in Multiple drive out |
 |
| NOR |  |
Triode Single load in Single drive out |
 |
| NAND |  |
Heptode Single load in Single drive out |
 |
| D-AND |  |
Diode-resistor Heavy load in Multiple drive out |
 |
| CF |  |
Cathode follower Single load in Multiple drive out |
 |
| NOT |  |
Triode Single load in Single drive out |
 |
| PW-NOT |  |
Pentode Single load in Multiple drive out |
 |
| SR-latch |  |
Triode Single load in Single drive out |
 |