General description
The HEF4043B is a quad R/S latch with 3-state outputs with a common output enable input (OE). Each latch has an active HIGH set input (1S to 4S), an active HIGH reset input (1R to 4R) and an active HIGH 3-state output (1Q to 4Q).

Features
■ Fully static operation
■ 5 V, 10 V, and 15 V parametric ratings
■ Standardized symmetrical output characteristics
■ Operates across the full industrial temperature range −40 °C to +85 °C
■ Complies with JEDEC standard JESD 13-B
■ ESD protection:
    ◆ HBM JESD22-A114E exceeds 2000 V
    ◆ MM JESD22-A115-A exceeds 200 V

Applications
■ Four-bit storage with output enable