8-bit Carry Look Everywhere Adder

Width: 8 bits
Latency: 4 ticks
Blocks: 3360
Size, H×W×D: 21×20×8
Works from: 1.3.1

Verified specs

Category: Adder
Throughput: 3 ticks
Synced: Yes
Stateless: Yes
Pipelined: Yes

Credits

Builder: Owenage_
Built: September 11, 2013
Uploaded by: embizone

File

Name: 8_bit_Carry_Look_Everywhere_Adder.schem
Uploaded: October 13, 2026
Downloads: 2
Conventions: followed

Inputs and outputs

Input	Bits	Min SS	Power	Delay
A	8	15	hard	t = 0
B	8	15	hard	0t
carry in	1	—	soft	0t

Output	Bits	Min SS	First change	Settles
	8	14	4t	4t
bit 0		14	4t	4t
bit 1		14	4t	4t
bit 2		14	4t	4t
bit 3		14	4t	4t
bit 4		14	4t	4t
bit 5		14	4t	4t
bit 6		14	4t	4t
bit 7		14	4t	4t
carry out	1	—	2t	2t

Block distribution

Solid: 466
Dust: 420
Torch: 146
Transparent: 118
Repeater: 32
Lever: 17

Description

Built by newomaster, featured in https://www.youtube.com/watch?v=CtHQ6HQvu7Q

Timing