Tango-PLD Version 1.20                                                7seg.doc
------------------------------------------------------------------------------
>C:\PLD\PLD.EXE /a 7seg 

                                   7segl8
                                  p16l8.dev
                            +------------------+
                            |       +--+       |
                           +|                  |+
                         i0||  1            20 ||VCC
                           +|                  |+
                           +|                  |+
                         i1||  2            19 ||a
                           +|                  |+
                           +|                  |+
                         i2||  3            18 ||b
                           +|                  |+
                           +|                  |+
                         i3||  4            17 ||c
                           +|                  |+
                           +|                  |+
                           ||  5            16 ||d
                           +|                  |+
                           +|                  |+
                           ||  6            15 ||e
                           +|                  |+
                           +|                  |+
                           ||  7            14 ||f
                           +|                  |+
                           +|                  |+
                           ||  8            13 ||g
                           +|                  |+
                           +|                  |+
                           ||  9            12 ||
                           +|                  |+
                           +|                  |+
                        GND|| 10            11 ||
                           +|                  |+
                            |                  |
                            +------------------+
7seg.tdl(146) : WARNING 413: Signal not set (one assumed): a.oe
7seg.tdl(146) : WARNING 413: Signal not set (one assumed): b.oe
7seg.tdl(146) : WARNING 413: Signal not set (one assumed): c.oe
7seg.tdl(146) : WARNING 413: Signal not set (one assumed): d.oe
7seg.tdl(146) : WARNING 413: Signal not set (one assumed): e.oe
7seg.tdl(146) : WARNING 413: Signal not set (one assumed): f.oe
7seg.tdl(146) : WARNING 413: Signal not set (one assumed): g.oe


Sat Feb 17 2001 20:22:27                                              Page   1


Tango-PLD Version 1.20                                                7seg.doc
------------------------------------------------------------------------------
PAL Reduced Equations for Device 7segl8

a.oe = 1;

!a = !i1.i & !i2.i & i3.i 
   | i1.i & !i3.i 
   | !i0.i & !i2.i 
   | i1.i & i2.i 
   | !i0.i & i3.i 
   | i0.i & i2.i & !i3.i ;

b.oe = 1;

!b = !i1.i & !i2.i 
   | !i0.i & !i2.i 
   | !i0.i & !i1.i & !i3.i 
   | i0.i & !i1.i & i3.i 
   | i0.i & i1.i & i2.i & !i3.i ;

c.oe = 1;

!c = !i2.i & i3.i 
   | i2.i & !i3.i 
   | i0.i & !i1.i 
   | !i1.i & !i2.i ;

d.oe = 1;

!d = i0.i & !i1.i & i2.i 
   | i0.i & i1.i & !i2.i 
   | !i0.i & i1.i & i2.i 
   | !i0.i & !i1.i & i3.i 
   | !i0.i & !i2.i & !i3.i ;

e.oe = 1;

!e = !i0.i & !i2.i 
   | !i0.i & i1.i 
   | i1.i & !i2.i 
   | i2.i & i3.i ;

f.oe = 1;

!f = !i0.i & i2.i 
   | !i2.i & i3.i 
   | i0.i & i1.i & !i2.i 
   | !i0.i & !i1.i 
   | i1.i & i3.i ;

g.oe = 1;

!g = i1.i & !i2.i 
   | !i2.i & i3.i 
   | !i0.i & i1.i 
   | i0.i & i3.i 
   | !i1.i & i2.i & !i3.i ;



Sat Feb 17 2001 20:22:27                                              Page   2


Tango-PLD Version 1.20                                                7seg.doc
------------------------------------------------------------------------------
PAL Product Term Summary for 7segl8

Output              Terms  Terms allowed
----------------------------------------
a.oe                 1          1
a.d                  6          7
b.oe                 1          1
b.d                  5          7
c.oe                 1          1
c.d                  4          7
d.oe                 1          1
d.d                  5          7
e.oe                 1          1
e.d                  4          7
f.oe                 1          1
f.d                  5          7
g.oe                 1          1
g.d                  5          7
                     0          1
                     0          7

41 out of 64 terms used (64%)


Sat Feb 17 2001 20:22:27                                              Page   3


Tango-PLD Version 1.20                                                7seg.doc
------------------------------------------------------------------------------

                                   7segv10
                                 p22v10.dev
                            +------------------+
                            |       +--+       |
                           +|                  |+
                         i0||  1            24 ||VCC
                           +|                  |+
                           +|                  |+
                         i1||  2            23 ||a
                           +|                  |+
                           +|                  |+
                         i2||  3            22 ||b
                           +|                  |+
                           +|                  |+
                         i3||  4            21 ||c
                           +|                  |+
                           +|                  |+
                           ||  5            20 ||d
                           +|                  |+
                           +|                  |+
                           ||  6            19 ||e
                           +|                  |+
                           +|                  |+
                           ||  7            18 ||f
                           +|                  |+
                           +|                  |+
                           ||  8            17 ||g
                           +|                  |+
                           +|                  |+
                           ||  9            16 ||
                           +|                  |+
                           +|                  |+
                           || 10            15 ||
                           +|                  |+
                           +|                  |+
                           || 11            14 ||
                           +|                  |+
                           +|                  |+
                        GND|| 12            13 ||
                           +|                  |+
                            |                  |
                            +------------------+


Sat Feb 17 2001 20:22:27                                              Page   4


Tango-PLD Version 1.20                                                7seg.doc
------------------------------------------------------------------------------
PAL Pre-Minimized Equations for Device 7segv10

a.oe = 1;

a = i1.i 
  | i2.i 
  | !i3.i ;

b.oe = 1;

b = i1.i 
  | i2.i ;

c.oe = 1;

c = i2.i 
  | !i3.i ;

d.oe = 1;

d = !i0.i 
  | i1.i 
  | !i2.i ;

e.oe = 1;

e = i0.i 
  | i2.i ;

f.oe = 1;

f = i0.i 
  | !i2.i ;

g.oe = 1;

g = !i1.i 
  | i2.i ;



Sat Feb 17 2001 20:22:27                                              Page   5


Tango-PLD Version 1.20                                                7seg.doc
------------------------------------------------------------------------------
PAL Product Term Summary for 7segv10

Output              Terms  Terms allowed
----------------------------------------
a.oe                 1          1
a.d                  3          8
b.oe                 1          1
b.d                  2         10
c.oe                 1          1
c.d                  2         12
d.oe                 1          1
d.d                  3         14
e.oe                 1          1
e.d                  2         16
f.oe                 1          1
f.d                  2         16
g.oe                 1          1
g.d                  2         14
                     0          1
                     0         12
                     0          1
                     0         10
                     0          1
                     0          8

23 out of 130 terms used (17%)


Sat Feb 17 2001 20:22:27                                              Page   6


Tango-PLD Version 1.20                                                7seg.doc
------------------------------------------------------------------------------

Symbol              Type
----------------------------------------
i                   temp out group 
g                   inv io sig 
f                   inv io sig 
e                   inv io sig 
d                   inv io sig 
c                   inv io sig 
b                   inv io sig 
a                   inv io sig 
i0                  in sig 
i1                  in sig 
i2                  in sig 
i3                  in sig 
LO                  temp out sig 
HI                  temp out sig 
GND                 power 
VEE                 power 
VCC                 power 


2 seconds elapsed, 56320 of 429456 bytes used (13%)


Sat Feb 17 2001 20:22:27                                              Page   7