Programming instructions

CMOS
Multisim Component Reference Guide 7-40 ni.com
1-of-16 decoder/demultiplexer truth table:
7.2.77 4516 (Binary up/down Counter)
This binary up/down counter counts from 0000 to 1111 in binary (0 to 15 in decimal).
Binary up/down counter truth table:
7.2.78 4518 (Dual BCD Counter)
The 4518 device is a dual 4-bit internally synchronous BCD counter.
INPUTS OUTPUTS
E
A3 A2 A1 A0 O0 O1 O2 O3 O4 O5 O6 O7 O8 O9 O10 O11 O12 O13 O14 O15
1XXXX1111111111 1 11111
0000001111111111 11111
0000110111111111 11111
0001011011111111 11111
0001111101111111 11111
0010011110111111 11111
0010111111011111 11111
0011011111101111 11111
0011111111110111 11111
0100011111111011 11111
0100111111111101 11111
0101011111111110 11111
0101111111111111 01111
0110011111111111 10111
0110111111111111 11011
0111011111111111 11101
0111111111111111 11110
MR PL UP/DN CE CP MODE
0 1 X X X PARALLEL LOAD
0 0 X 1 X NO CHANGE
0 0 0 0 · COUNT DOWN
00 1 0 · COUNT UP
1 X X X X RESET
ComponentRef.book Page 40 Thursday, December 7, 2006 10:12 AM