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logic circuits · digital design · nand gates

NAND-Only SR Latch

Type Logic gate netlistStandard IEEE Std 91/91a-1991Engine schematex-logicUpdated 7/10/2026
NAND-Only SR Latch
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The request

“An SR latch built from two cross-coupled NAND gates, with active-low set and reset inputs and outputs Q and not-Q.”

Then tryAdd an enable input to make it a gated latchTurn it into a D latch
What is in this drawing

Read the decisions behind it.

01

Use active-low inputs for NAND-based latching

02

Cross-coupled feedback creates bistable state

When teaching digital electronics, demonstrating universal gates, or designing custom latch circuits from discrete logic.

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