Redstone circuits/Logic/NOT

Horizontal Torch Inverter

1×2×1 (2 block volume)
1-wide, 1-high, silent, tileable
circuit delay: 1 tick

Vertical Torch Inverter

1×1×3 (3 block volume)
1-wide, silent, tileable
circuit delay: 1 tick

In-line Subtraction Inverter

2×2×2 (8 block volume)
flat, silent
circuit delay: 2 ticks

Corner Subtraction Inverter

2×2×2 (8 block volume)
flat, silent
circuit delay: 2 ticks

Ground Instant Inverter

2×5×3 (30 block volume)
instant
circuit delay: 0 ticks

1-Wide Instant Inverter

1×3×6 (18 block volume)
1-wide, instant
circuit delay: 0 ticks; cooldown 2 ticks