MC14043B/D是Semiconductor Components Industries, LLC生产的一种CMOS MSI Quad R−S Latches,具有Double Diode Input Protection、Three−State Outputs with Common Enable、Outputs Capable of Driving Two Low−power TTL Loads or One Low−Power Schottky TTL Load Over the Rated Temperature Range、Supply Voltage Range = 3.0 Vdc to 18 Vdc、Pb−Free Packages are Available等特点