!!!!    6    0    1  989959550  Vc1fc                                         

! Device           : 2708
! Function         : UV Erasable PROM   1k x 8    3 state
! revision         : B.01.00
! safeguard        : med_out_mos
! 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       600n
receive delay      500n

assign    VCC               to pins           24               ! +5V
assign    VDD               to pins           19               ! +12V
assign    VBB               to pins           21               ! -5V
assign    GND               to pins           12               ! VSS

assign    Chip_Select_bar   to pins           20
assign    Address_bus       to pins           22,23,1,2,3,4,5,6,7,8
assign    Data_bus          to pins           17,16,15,14,13,11,10,9
assign    Data_D0           to pins      9    !AT Added for minimum pin test.
assign    Data_D1           to pins      10   !AT Added for minimum pin test.
assign    Data_D2           to pins      11   !AT Added for minimum pin test.
assign    Data_D3           to pins      13   !AT Added for minimum pin test.
assign    Data_D4           to pins      14   !AT Added for minimum pin test.
assign    Data_D5           to pins      15   !AT Added for minimum pin test.
assign    Data_D6           to pins      16   !AT Added for minimum pin test.
assign    Data_D7           to pins      17   !AT Added for minimum pin test.

assign    Program           to pins           18

family    TTL

power     VCC, VDD, VBB, GND

inputs    Chip_Select_bar, Address_bus
outputs   Data_bus
outputs   Data_D0, Data_D1, Data_D2, Data_D3 !AT Added for minimum pin test.
outputs   Data_D4, Data_D5, Data_D6, Data_D7 !AT Added for minimum pin test.

nondigital Program

when  Chip_select_bar   is "1"   inactive    Data_bus

trace    Data_bus    to    Chip_select_bar,Address_bus

disable   Data_bus    with     Chip_Select_bar    to   "1"

set load on groups Data_bus to pull up
!**************************************************************************
!**************************************************************************


vector    Address_Counter
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_bus                to          "00000000"
graycounter     Address_bus
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    Address_Counter_D0
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D0                 to          "0"
graycounter     Address_bus
end vector

vector    Address_Counter_D1
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D1                 to          "0"
graycounter     Address_bus
end vector

vector    Address_Counter_D2
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D2                 to          "0"
graycounter     Address_bus
end vector

vector    Address_Counter_D3
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D3                 to          "0"
graycounter     Address_bus
end vector

vector    Address_Counter_D4
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D4                 to          "0"
graycounter     Address_bus
end vector

vector    Address_Counter_D5
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D5                 to          "0"
graycounter     Address_bus
end vector

vector    Address_Counter_D6
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D6                 to          "0"
graycounter     Address_bus
end vector

vector    Address_Counter_D7
set         Chip_Select_bar         to          "0"
set         Address_bus             to          "0000000000"
set         Data_D7                 to          "0"
graycounter     Address_bus
end vector

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

!AT The following AwareTest units have been added for minimum pins tests. Each
!AT unit tests a separate data pin starting with D0.

unit "awaretest D0 Test"
preset counter          Address_Counter_D0       compress
repeat     255           times
count       Address_Counter_D0       compress
end repeat
end unit

unit "awaretest D1 Test"
preset counter          Address_Counter_D1       compress
repeat     255           times
count       Address_Counter_D1       compress
end repeat
end unit

unit "awaretest D2 Test"
preset counter          Address_Counter_D2       compress
repeat     255           times
count       Address_Counter_D2       compress
end repeat
end unit

unit "awaretest D3 Test"
preset counter          Address_Counter_D3       compress
repeat     255           times
count       Address_Counter_D3       compress
end repeat
end unit

unit "awaretest D4 Test"
preset counter          Address_Counter_D4       compress
repeat     255           times
count       Address_Counter_D4       compress
end repeat
end unit

unit "awaretest D5 Test"
preset counter          Address_Counter_D5       compress
repeat     255           times
count       Address_Counter_D5       compress
end repeat
end unit

unit "awaretest D6 Test"
preset counter          Address_Counter_D6       compress
repeat     255           times
count       Address_Counter_D6       compress
end repeat
end unit

unit "awaretest D7 Test"
preset counter          Address_Counter_D7       compress
repeat     255           times
count       Address_Counter_D7       compress
end repeat
end unit

!    ROM contents are completely verified by performing CRC check of the
!    outputs while a counter cycles through each address.  Results are
!    compared against those of a known good board.

unit            "ROM Test"
preset counter          Address_Counter          compress
repeat     1023          times
count       Address_Counter          compress
end repeat
end unit


!    End of test