TheTTL - Al Kossow's Bitsavers

PAL20R4A. PAL20R6A. PAL20R8A
STANDARD HIGH SPEED PAL CIRCUITS
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PAL20R4'
M SUFFIX ..• JW PACKAGE
C SUFFIX ••• JW OR NT PACKAGE
OUTCLK
(TOP VIEW)
I U24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
f-l 16
10 15
II 14
GND 12 13
VCC
I
110
110
Q
Q
Q
Q
110
110
PAL20R6'
M SUFFIX ..• JW PACKAGE
C SUFFIX ..• JW OR NT PACKAGE
(TOP VIEW)
OUTCLK I 1 U24
VCC
II 2 23 I
II 3 22 110
1:=4 21 Q
1:=5 20 Q
I 6 19 Q
7 18 Q
Is 17 Q
f-l 16 Q
10 15 110
I II 14 I
GND 12 13 BE
PAL20RS'
M SUFFIX •.. JW PACKAGE
C SUFFIX ... JW OR NT PACKAGE
(TOP VIEW)
OUTCLK 1 U24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
GND 12 13
VCC
I
Q
Q
Q
Q
Q
Q
Q
Q
DIP pin assignments in operating mode (voltages at pins 1 and 13 less than VIHH)
PLCC pin assignments in operating mode (voltages at pins 2 and 16 less than VIHH)
PAL20R4'
M SUFFIX ..• FH OR FK PACKAGE
C SUFFIX ••• FN PACKAGE
(TOP VIEW)
::..:
...J
u
f- U
;:) U U 0
__ oz>_::::
4 3 2 1 282726
I 5
I 6
NC
I 9
10
II
12 131415161718
- - ~ ~n~-g
~
110
Q
Q
NC
Q
Q
110
PAL20R6'
M SUFFIX .•• FH OR FK PACKAGE
C SUFFIX ••• FN PACKAGE
(TOP VIEW)
::..:
...J
~ U
;:) U U 0
__ OZ>_::::
4 3 2 1 282726
5
6
NC
I 9
10
11
12 1314 1516 17 18
- - ~ ~I~ - g
~
Q
Q
Q
NC
Q
Q
Q
PAL20RS'
M SUFFIX ..• FH OR FK PACKAGE
C SUFFIX ••. FN PACKAGE
(TOP VIEW)
::..:
...J
U
f- U
;:) U U
__ OZ>_O
4 3 2 I
12 1314151617 18
- - ~ ~I~ - 0
~
Q
Q
Q
NC
Q
Q
Q
3-18
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INSTRUMENTS
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