!!!!    6    0    1  990715211  V0fb8                                         

! Device           : 8282
! Function         : OCTAL LATCH w/ non-inverted outputs
! revision         : B.01.00
! safeguard        : high_out_ttl
! Modifications    : Modified for AwareTest xi
!
  warning           "This library has not been verified with hardware."

sequential

! warning "Pull-ups are required to test high-impedance outputs."

vector   cycle       1u
receive  delay       900n

assign   VCC         to pins  20
assign   GND         to pins  10

assign   DI          to pins  8,7,6,5,4,3,2,1
assign   D8          to pins  8
assign   D7          to pins  7
assign   D6          to pins  6
assign   D5          to pins  5
assign   D4          to pins  4
assign   D3          to pins  3
assign   D2          to pins  2
assign   D1          to pins  1

assign   OE_Bar      to pins  9
assign   STB         to pins  11

assign   DO          to pins  12,13,14,15,16,17,18,19
assign   Q8          to pins  12
assign   Q7          to pins  13
assign   Q6          to pins  14
assign   Q5          to pins  15
assign   Q4          to pins  16
assign   Q3          to pins  17
assign   Q2          to pins  18
assign   Q1          to pins  19

family    TTL

power   VCC, GND

inputs   DI,OE_Bar,STB
inputs   D1,D2,D3,D4,D5,D6,D7,D8  !AT Added for minimum pin test.

outputs  DO
outputs  Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q8  !AT Added for minimum pin test.

disable DO with OE_bar to "1"

when OE_bar is "1" inactive DO

trace Q8 to D8, OE_Bar, STB
trace Q7 to D7, OE_Bar, STB
trace Q6 to D6, OE_Bar, STB
trace Q5 to D5, OE_Bar, STB
trace Q4 to D4, OE_Bar, STB
trace Q3 to D3, OE_Bar, STB
trace Q2 to D2, OE_Bar, STB
trace Q1 to D1, OE_Bar, STB

set load on groups      DO to pull up

!*******************************************************************************
!*******************************************************************************

vector   STB_Low
      set   STB            to "0"
      set   OE_Bar         to "k"
      set   DI             to "kkkkkkkk"
end vector

vector   STB_High
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   DI             to "kkkkkkkk"
end vector

vector   OE_Bar_High
      set   OE_Bar         to "1"
      set   STB            to "0"
end vector

vector   OE_Bar_Low
      set   OE_Bar         to "0"
      set   STB            to "0"
end vector

vector   DI_00000000
      set   DI             to "00000000"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   DI_11111111
      set   DI             to "11111111"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   DI_10101010
      set   DI             to "10101010"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   DI_01010101
      set   DI             to "01010101"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   DO_00000000
      set   DO             to "00000000"
end vector

vector   DO_11111111
      set   DO             to "11111111"
end vector

vector   DO_10101010
      set   DO             to "10101010"
end vector

vector   DO_01010101
      set   DO             to "01010101"
end vector

!AT The following vectors have been added for a minimum pins test. Any
!AT vectors that references the data bus was copied and modified to reference
!AT only a single pin of the data bus.

vector   STB_High_D1
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D1             to "k"
end vector

vector   STB_High_D2
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D2             to "k"
end vector

vector   STB_High_D3
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D3             to "k"
end vector

vector   STB_High_D4
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D4             to "k"
end vector

vector   STB_High_D5
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D5             to "k"
end vector

vector   STB_High_D6
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D6             to "k"
end vector

vector   STB_High_D7
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D7             to "k"
end vector

vector   STB_High_D8
      set   STB            to "1"
      set   OE_Bar         to "k"
      set   D8             to "k"
end vector

vector   D1_0
      set   D1             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D1_1
      set   D1             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D2_0
      set   D2             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D2_1
      set   D2             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D3_0
      set   D3             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D3_1
      set   D3             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D4_0
      set   D4             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D4_1
      set   D4             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D5_0
      set   D5             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D5_1
      set   D5             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D6_0
      set   D6             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D6_1
      set   D6             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D7_0
      set   D7             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D7_1
      set   D7             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D8_0
      set   D8             to "0"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   D8_1
      set   D8             to "1"
      set   STB            to "k"
      set   OE_Bar         to "k"
end vector

vector   Q1_0
      set   Q1             to "0"
end vector

vector   Q1_1
      set   Q1             to "1"
end vector

vector   Q2_0
      set   Q2             to "0"
end vector

vector   Q2_1
      set   Q2             to "1"
end vector

vector   Q3_0
      set   Q3             to "0"
end vector

vector   Q3_1
      set   Q3             to "1"
end vector

vector   Q4_0
      set   Q4             to "0"
end vector

vector   Q4_1
      set   Q4             to "1"
end vector

vector   Q5_0
      set   Q5             to "0"
end vector

vector   Q5_1
      set   Q5             to "1"
end vector

vector   Q6_0
      set   Q6             to "0"
end vector

vector   Q6_1
      set   Q6             to "1"
end vector

vector   Q7_0
      set   Q7             to "0"
end vector

vector   Q7_1
      set   Q7             to "1"
end vector

vector   Q8_0
      set   Q8             to "0"
end vector

vector   Q8_1
      set   Q8             to "1"
end vector

!*******************************************************************************

sub   Test_OE_Bar

   execute     OE_Bar_High
   execute     DI_11111111      !if outputs tied high
!  execute     DI_00000000     !if outputs tied low
   execute     STB_High         !latch is transparent
   execute     DO_11111111      !if outputs tied high
!  execute     DO_00000000     !if outputs tied low

end   sub


!*******************************************************************************
!*******************************************************************************

!AT The following AwareTest units have been added for minimum pins tests. Each
!AT unit tests a separate data pin starting with D1, Q1.

unit "awaretest D1, Q1 Test"
   execute     OE_Bar_Low
   execute     D1_0
   execute     STB_High_D1
   execute     Q1_0

   execute     OE_Bar_Low
   execute     D1_1
   execute     STB_High_D1
   execute     Q1_1
end unit

unit "awaretest D2, Q2 Test"
   execute     OE_Bar_Low
   execute     D2_0
   execute     STB_High_D2
   execute     Q2_0

   execute     OE_Bar_Low
   execute     D2_1
   execute     STB_High_D2
   execute     Q2_1
end unit

unit "awaretest D3, Q3 Test"
   execute     OE_Bar_Low
   execute     D3_0
   execute     STB_High_D3
   execute     Q3_0

   execute     OE_Bar_Low
   execute     D3_1
   execute     STB_High_D3
   execute     Q3_1
end unit

unit "awaretest D4, Q4 Test"
   execute     OE_Bar_Low
   execute     D4_0
   execute     STB_High_D4
   execute     Q4_0

   execute     OE_Bar_Low
   execute     D4_1
   execute     STB_High_D4
   execute     Q4_1
end unit

unit "awaretest D5, Q5 Test"
   execute     OE_Bar_Low
   execute     D5_0
   execute     STB_High_D5
   execute     Q5_0

   execute     OE_Bar_Low
   execute     D5_1
   execute     STB_High_D5
   execute     Q5_1
end unit

unit "awaretest D6, Q6 Test"
   execute     OE_Bar_Low
   execute     D6_0
   execute     STB_High_D6
   execute     Q6_0

   execute     OE_Bar_Low
   execute     D6_1
   execute     STB_High_D6
   execute     Q6_1
end unit

unit "awaretest D7, Q7 Test"
   execute     OE_Bar_Low
   execute     D7_0
   execute     STB_High_D7
   execute     Q7_0

   execute     OE_Bar_Low
   execute     D7_1
   execute     STB_High_D7
   execute     Q7_1
end unit

unit "awaretest D8, Q8 Test"
   execute     OE_Bar_Low
   execute     D8_0
   execute     STB_High_D8
   execute     Q8_0

   execute     OE_Bar_Low
   execute     D8_1
   execute     STB_High_D8
   execute     Q8_1
end unit

!Verify that outputs toggle (STB_High = transparent buffer,
!                            OE_Bar_Low = enable outputs    )

unit     "DATA_00000000"
   execute     OE_Bar_Low        !enable outputs
   execute     DI_00000000
   execute     STB_High
   execute     DO_00000000       !inverting outputs
end unit

unit     "DATA_11111111"
   execute     OE_Bar_Low
   execute     DI_11111111
   execute     STB_High
   execute     DO_11111111
end unit

!Verify that adjacent bits are not inadvertently connected
!These two units should be commented out if pins are connected in topology

unit     "DATA_10101010"
   execute     OE_Bar_Low
   execute     DI_10101010
   execute     STB_High
         execute     DO_10101010
end unit

unit     "DATA_01010101"
   execute     OE_Bar_Low
   execute     DI_01010101
   execute     STB_High
   execute     DO_01010101
end unit

!Verify that strobe latches 0's and 1's by latching 0 (or 1)
!and checking that the outputs do not change

unit     "Test_Latch_0"                   !test latching of 0's
   execute     OE_Bar_Low
   execute     DI_00000000
   execute     STB_High
   execute     STB_Low          !latch input
   execute     DI_11111111      !change input
   execute     DO_00000000      !correct output is result of
                                          !latched (first) input
end unit

unit     "Test_Latch_1"                   !test latching of 1's
   execute     OE_Bar_Low
   execute     DI_11111111
   execute     STB_High
   execute     STB_Low          !latch input
   execute     DI_00000000      !change input
   execute     DO_11111111      !correct output is result of
                                          !latched (first) input
end unit

unit     "Test_OE_Bar"                    !tests outputs disabled state
 call  Test_OE_Bar
end unit

! End of Test