8-bit Carry Cancel Adder
- 4 ticks
- 3080
- 20×22×7
Verified specs
Credits
- Builder
Aminotreal- Built
- January 25, 2024
- Uploaded by
embizone
File
- Name
8_bit_Carry_Cancel_Adder.schem- Uploaded
- October 15, 2026
- Downloads
- 0
- Conventions
- followed
Inputs and outputs
| Input | Bits | Inverted | Min SS | Power | Delay |
|---|---|---|---|---|---|
| A | 8 | No | 4 | hard | t = 0 |
| B | 8 | No | 4 | hard | 0t |
| carry in | 1 | Yes | — | soft | +1t |
| Output | Bits | Inverted | Min SS | First change | Settles |
| 8 | No | 1 | 3t | 4t | |
| bit 0 | 14 | 3t | 3t | ||
| bit 1 | 12 | 3t | 4t | ||
| bit 2 | 10 | 3t | 4t | ||
| bit 3 | 8 | 3t | 4t | ||
| bit 4 | 6 | 3t | 4t | ||
| bit 5 | 4 | 3t | 4t | ||
| bit 6 | 2 | 3t | 4t | ||
| bit 7 | 1 | 3t | 4t | ||
| carry out | 1 | No | — | 4t | 4t |
Block distribution
- Solid
- 320
- Dust
- 195
- Comparator
- 39
- Transparent
- 36
- Torch
- 34
- Target
- 30
- Repeater
- 25
- Lever
- 17
- Barrel
- 1
- Redstone block
- 1
Description
Nice output - 14,12,10,8,6,4,2,1 from LSB to MSB.
Supposed to be 3t, analysis says 4. need to investigate.
Timing
- Synced
- ✗
- Bits apart, output
- 193,396 changes
- Changes tested
- 915,456
output, bit by bit
| Bit | First changes | Settles by | Glitches |
|---|---|---|---|
| 0 | 3 | 3 | 0 |
| 1 | 3 | 4 | 49,152 |
| 2 | 3 | 4 | 57,344 |
| 3 | 3 | 4 | 61,440 |
| 4 | 3 | 4 | 63,488 |
| 5 | 3 | 4 | 64,512 |
| 6 | 3 | 4 | 65,024 |
| 7 | 3 | 4 | 65,280 |