!!!!    6    0    1  990111849  V0b21                                         

! Device           : 2732
! Function         : uv_prom 3-state 4k x 8
! 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
assign      GND            to pins        12

assign      Address_bus    to pins        21,19,22,23,1,2,3,4,5,6,7,8

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      Output_Enable  to pins        20
assign      Chip_Enable    to pins        18


family      TTL

power       VCC, GND

inputs      Address_bus, Output_Enable, Chip_Enable
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.

when     Chip_Enable    is "1"   inactive    Data_bus
when     Output_enable  is "1"   inactive    Data_bus

trace    Data_bus    to    Address_bus,Output_Enable,Chip_Enable

disable     Data_bus  with   Chip_Enable    to  "1"
disable     Data_bus  with   Output_Enable  to  "1"

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



 vector      Address_Counter
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_bus        to  "00000000"
      upcounter   Address_bus
 end vector


 vector      Address_Counter_2
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "111100000000"
      set    Data_bus        to  "00000000"
      upcounter   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_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D0         to  "0"
      upcounter   Address_bus
 end vector

 vector      Address_Counter_D1
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D1         to  "0"
      upcounter   Address_bus
 end vector

 vector      Address_Counter_D2
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D2         to  "0"
      upcounter   Address_bus
 end vector

 vector      Address_Counter_D3
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D3         to  "0"
      upcounter   Address_bus
 end vector

 vector      Address_Counter_D4
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D4         to  "0"
      upcounter   Address_bus
 end vector

 vector      Address_Counter_D5
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D5         to  "0"
      upcounter   Address_bus
 end vector

 vector      Address_Counter_D6
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D6         to  "0"
      upcounter   Address_bus
 end vector

 vector      Address_Counter_D7
      set    Chip_Enable     to  "0"
      set    Output_Enable   to  "0"
      set    Address_bus     to  "000000000000"
      set    Data_D7         to  "0"
      upcounter   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 partially verified by performing CRC check of the
 !    outputs while a counter cycles through the upper and lower 500 address
 !    locations.  Results are compared against those of a known good board.



 unit  "ROM Test lower"

      preset counter    Address_Counter     compress

      repeat  512   times
               count    Address_Counter     compress
      end repeat
 end unit

 unit  "ROM Test upper"

      preset counter    Address_Counter_2   compress

      repeat  512   times
               count    Address_Counter_2   compress
      end repeat
 end unit


 !    End of Test