TheTTL - Al Kossow's Bitsavers

HIGH·PERFORMANCE IMPACr M
TIBPAL20LB·15
TIBPAL20LB·20
PAL ® CIRCUITS
logic diagram (positive logic)
(1)
(2) ....
v
P RODUCT
LI NES
0
(1
I
•
(3) .... 7
L.-
8
•
(4) 15
•
•
>I.. 16
•
(5) ,;.. 23
... "24
•
(6)" 31
...
32
(7) .... 39
--t
•
•
v
40
•
..
48
•
8)~
47
(9) .... 55
-j :x
(1 0) I ...
v 56
•
1) ....
•
63
10 4 8 12
Pin numbers shown are for JT and NT packages.
INPUT LINES
1\
16 20
24 28 32 36 \
1--
'"
(23)
r-----
'-t:
,-,,"""
r-
:~
-~
o
(21)
1/0
~~
I-~ (20)
,-}-1
:~ ~
- '"
-H~
=~~~
;::::; .....
_H
....... =~ ~.
-
1-11 ~i>--d
(22)
~}-
-)-
I/O
(19)
1/0
(18)
1/0
-
"
t>-..-. ~~ (17)
t~ 1/0
'-}-
J1
"
(16)
1-1=>--J '-)-
1-)-
'-)-
)-
'-)-
1-)-
)-.
~
H
)-J
.A
....
(15)
o
L-)-
.... (14)
"
.A (13)
~~
1/0
(J
'0,
'0
...J
Q)
:c
co
E
co ...
...
C)
0
c..
-0
Q)
u:
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