TheTTL - Al Kossow's Bitsavers

~~
{'4,[4 ,4
,. :t:. ~
d;;' =: ~ 23
222
'
2°
4 X 4 MULTIPLIER
(See Figure AI
A
o "
~
3
~z
~~
~~r;;i
~~~
~~
U1
Lv
U1
SN54S 181/SN74S181 t
MULTIPlE...f 4
OUTPUT
SN54S 181/SN74S 18 1t
SUB·
MULTlPLE,..f 4
SN54H183/
4 OUTPUT
29 28 \ S~;~~~3 / 27 26 f\ _.4 \
~~A~~:~S)~~
SN54S 181/SN74S181 t
~ 22 2':zO
\215 214 213 212 211 210 29 28 27 26 25 :z4 23 22 2' 2°/
V
FIGURE a-a x a MULTIPLIER
tOther terminals of the three SN54S181/SN74S181 ALU's are connected as follows: S3 = H, S2 = L, S1 = L, SO = H, M = L. Output A = B is not
used for this application.
RAMs
A
A
SUBMULTIPLE
PRODUCTS
WALLACe
TREE
~
Ca
:::::j
CCI