Programming instructions

4000 Series ICs
 National Instruments Corporation 7-45 Multisim Component Reference Guide
7.2.85 4539 (Dual 4-input Multiplexer)
7.2.86 4543 (BCD-to-seven segment latch/dec/driver)
The 4543 device is a BCD to 7-segment latch/decoder/driver for liquid crystal and LED
displays. It has four address inputs (DA to DD), an active HIGH latch disable input (LD), an
active HIGH blanking input (BI), an active HIGH phase input (PH) and seven buffered
segment outputs (Oa to Og).
The 4539 device is a dual 4-input multiplexer with common select logic. Each multiplexer
has four multiplexer inputs (I0 to I3), an active LOW enable input (E
) and a multiplexer
output (O).
ComponentRef.book Page 45 Thursday, December 7, 2006 10:12 AM