Redstone circuits/Memory/RS Devices

		S							R
					Q

Piston RS Latch (M)

				Q̅
		S							R
					Q

Redstone Block RS latch (N)

					Q
				T

Compact SRT latch level 1 (O-1)

		S						R

Compact SRT latch level 2 (O-2)

		R						Q
		S

Dropper SR Latch
1x3x2, 1-wide-tileable (P)