Programming instructions

CMOS
Multisim Component Reference Guide 7-22 ni.com
7.2.43 4040 (12-stage Binary Counter)
The 4040 device is a 12-stage binary ripple counter with a clock input (CP), an overriding
asynchronous master reset input (MR) and twelve fully buffered outputs (O
0
to O
11
).
12-stage binary counter truth table:
7.2.44 4041 (Quad True/Complement BUFFER)
This device provides both inverted and non-inverted buffered outputs for each input.
Logic function:
Buffer gate truth table:
7.2.45 4042 (Quad D-latch)
This device contains four independent D-latches.
D-latch truth table:
CP MR O0-O11
‚ 0 Count
‚1 0
O =I
O= I
I0O
001
110
ComponentRef.book Page 22 Thursday, December 7, 2006 10:12 AM