MC3031

Inverted RS NAND Latch
About
ID	MC3031
Type	MISO
Self-Triggering	No
Clickable	No
Input	Multiple (up to two)
Output	Single
Sign Format
Second line	[MC3031]
Craftbook Page

MC3031 is a Craftbook IC that functions as an inverted RS latch, retaining its output state until it receives a Set or Reset input.

Details

• Second Line
  • [MC3031]

The IC has a Set input, a Reset input, and one output (Q).

• When the first input is high, the output is set high.
• When the first input is low and the second input is high, the output is set low.
• When both inputs are low, the output retains its previous state.

If both inputs are high simultaneously, the first input takes priority and the output is set high.

Input 1 (Set)	Input 2 (Reset)	Output (Q)
Low	Low	Retains previous state
Low	High	Low
High	Low	High
High	High	High

Examples

Basic latch

line1:
line2: [MC3031]
line3:
line4:

A high signal on the first input sets the output high. The output remains high when both inputs return to low, until the second input receives a high signal while the first input is low.

See Also

• MC3030 RS NOR Latch.