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BSDL File: SN74ABT18504 Download View details  


-------------------------------------------------------------------------------
--  TI SN74ABT18504                                                          --
--     IEEE Std 1149.1 (JTAG) Boundary-Scan Test Device                      --
--     with 20-Bit Universal Bus Transceivers (UBTtm)                        --
--     features: NO bus-hold                                                 --
-------------------------------------------------------------------------------
--  Created by    : Texas Instruments Incorporated                           --
--  Documentation : SN74ABT18504 Data Sheet                                  --
--  Product Status: Not preferred for new designs - Use SN74ABTH18504A.      --
--  BSDL revision : 1.2                                                      --
--  BSDL status   : Production                                               --
--  Date created  : 05/01/94                                                 --
--  Last modified : 07/26/97                                                 --
--  Modification history -                                                   --
--      - misc clean-up, cosmetic only                                       --
-------------------------------------------------------------------------------
--                                                                           --
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--            Copyright (c) 1997, Texas Instruments Incorporated             --
--                                                                           --
-------------------------------------------------------------------------------

entity sn74abt18504 is

    generic (PHYSICAL_PIN_MAP : string := "UNDEFINED");

    port (OEBA_NEG:in bit;
          OEAB_NEG:in bit;
          LEAB:in bit;
          LEBA:in bit;
          CLKAB:in bit;
          CLKBA:in bit;
          CLKENAB_NEG:in bit;
          CLKENBA_NEG:in bit;
          A:inout bit_vector(1 to 20);
          B:inout bit_vector(1 to 20);
          GND:linkage bit_vector(1 to 8);
          VCC:linkage bit_vector(1 to 4);
          NC:linkage bit_vector(1 to 4);
          TDO:out bit;
          TDI, TMS, TCK:in bit);

    use STD_1149_1_1990.all; -- Get standard attributes and definitions

    attribute PIN_MAP of sn74abt18504 : entity is PHYSICAL_PIN_MAP;

    constant PM :  PIN_MAP_STRING := "OEAB_NEG:28," &
                   "OEBA_NEG:60, LEAB:27, LEBA:59,"&
                   "CLKAB:23, CLKBA:55," &
                   "CLKENAB_NEG:22, CLKENBA_NEG:54, " &
                   "A:(62,63,64,1,2,3,5,6,7,8,10, " &
                   "11,12,14,15,16,17,18,19,21), " &
                   "B:(53,51,50,49,48,47,46,44,43,42," &
                   "40,39,38,37,35,34,33,32,31,30)," &
                   "GND:(4,13,20,29,36,45,52,61)," &
                   "VCC:(9,25,41,57)," &
                   "TCK:26, TDI:24, TMS:56, TDO:58 ";

    constant HV :  PIN_MAP_STRING := "OEAB_NEG:39," &
                   "OEBA_NEG:5, LEAB:38, LEBA:4,"&
                   "CLKAB:33, CLKBA:67," &
                   "CLKENAB_NEG:32, CLKENBA_NEG:66, " &
                   "A:(7,8,9,10,11,12,14,15,16,"&
                   "17,20,21,22,24,25,26,27,28,29,31),"&
                   "B:(65,63,62,61,60,59,58,56,55,"&
                   "54,51,50,49,48,46,45,44,43,42,41),"&
                   "GND:(6,13,23,30,40,47,57,64),"&
                   "VCC:(2,19,36,53),"&
                   "NC:(1,18,35,52),"&
                   "TCK:37, TDI:34, TMS:68, TDO:3 ";

    attribute TAP_SCAN_IN    of TDI : signal is true;
    attribute TAP_SCAN_MODE  of TMS : signal is true;
    attribute TAP_SCAN_OUT   of TDO : signal is true;
    attribute TAP_SCAN_CLOCK of TCK : signal is (50.0e6, BOTH);

    attribute INSTRUCTION_LENGTH of sn74abt18504 : entity is 8;
    attribute INSTRUCTION_OPCODE of sn74abt18504 : entity is
            "BYPASS (11111111, 10000100), " &
            "EXTEST (00000000), " &
            "SAMPLE (10000010), " &
            "INTEST (00000011), " &
            "IDCODE (10000001), " &
            "HIGHZ  (00000110), " &  -- Control Boundary to High-Impedance
            "CLAMP  (10000111), " &  -- Control Boundary to 1/0
            "RUNT   (00001001), " &  -- Boundary Run Test
            "READBN (00001010), " &  -- Boundary Read Normal Mode
            "READBT (10001011), " &  -- Boundary Read Test Mode
            "CELLTST(00001100), " &  -- Boundary Self-Test Normal Mode
            "TOPHIP (10001101), " &  -- Boundary Toggle Outputs Test Mode
            "SCANCN (10001110), " &  -- BCR Scan Normal Mode
            "SCANCT (00001111)  " ;  -- BCR Scan Test Mode

    attribute INSTRUCTION_CAPTURE of sn74abt18504 : entity is "10000001";
    attribute INSTRUCTION_DISABLE of sn74abt18504 : entity is "HIGHZ";
    attribute INSTRUCTION_GUARD   of sn74abt18504 : entity is "CLAMP";

    attribute IDCODE_REGISTER of sn74abt18504 : entity is
            "0000"                &   --  4 bit version
            "0000000000000111"    &   -- 16 bit part number
            "00000010111"         &   -- 11 bit manufacturer
            "1" ;                     -- mandatory LSB

    attribute REGISTER_ACCESS of sn74abt18504 : entity is
            "BOUNDARY (EXTEST, SAMPLE, INTEST, READBN, READBT, CELLTST),"  &
            "BYPASS   (BYPASS, HIGHZ, CLAMP, RUNT, TOPHIP)," &
            "IDCODE   (IDCODE), " &
            "BCR[23]   (SCANCN, SCANCT)" ;

    attribute BOUNDARY_CELLS    of sn74abt18504 : entity is "BC_1";
    attribute BOUNDARY_LENGTH   of sn74abt18504 : entity is 88;
    attribute BOUNDARY_REGISTER of sn74abt18504 : entity is

    "0  (BC_1, B(1)       ,output3 , X, 87, 1, Z),"  &
    "1  (BC_1, B(2)       ,output3 , X, 87, 1, Z),"  &
    "2  (BC_1, B(3)       ,output3 , X, 87, 1, Z),"  &
    "3  (BC_1, B(4)       ,output3 , X, 87, 1, Z),"  &
    "4  (BC_1, B(5)       ,output3 , X, 87, 1, Z),"  &
    "5  (BC_1, B(6)       ,output3 , X, 87, 1, Z),"  &
    "6  (BC_1, B(7)       ,output3 , X, 87, 1, Z),"  &
    "7  (BC_1, B(8)       ,output3 , X, 87, 1, Z),"  &
    "8  (BC_1, B(9)       ,output3 , X, 87, 1, Z),"  &
    "9  (BC_1, B(10)      ,output3 , X, 87, 1, Z),"  &
    "10 (BC_1, B(11)      ,output3 , X, 87, 1, Z),"  &
    "11 (BC_1, B(12)      ,output3 , X, 87, 1, Z),"  &
    "12 (BC_1, B(13)      ,output3 , X, 87, 1, Z),"  &
    "13 (BC_1, B(14)      ,output3 , X, 87, 1, Z),"  &
    "14 (BC_1, B(15)      ,output3 , X, 87, 1, Z),"  &
    "15 (BC_1, B(16)      ,output3 , X, 87, 1, Z),"  &
    "16 (BC_1, B(17)      ,output3 , X, 87, 1, Z),"  &
    "17 (BC_1, B(18)      ,output3 , X, 87, 1, Z),"  &
    "18 (BC_1, B(19)      ,output3 , X, 87, 1, Z),"  &
    "19 (BC_1, B(20)      ,output3 , X, 87, 1, Z),"  &
    "20 (BC_1, B(1)       ,input   , X),"  &
    "21 (BC_1, B(2)       ,input   , X),"  &
    "22 (BC_1, B(3)       ,input   , X),"  &
    "23 (BC_1, B(4)       ,input   , X),"  &
    "24 (BC_1, B(5)       ,input   , X),"  &
    "25 (BC_1, B(6)       ,input   , X),"  &
    "26 (BC_1, B(7)       ,input   , X),"  &
    "27 (BC_1, B(8)       ,input   , X),"  &
    "28 (BC_1, B(9)       ,input   , X),"  &
    "29 (BC_1, B(10)      ,input   , X),"  &
    "30 (BC_1, B(11)      ,input   , X),"  &
    "31 (BC_1, B(12)      ,input   , X),"  &
    "32 (BC_1, B(13)      ,input   , X),"  &
    "33 (BC_1, B(14)      ,input   , X),"  &
    "34 (BC_1, B(15)      ,input   , X),"  &
    "35 (BC_1, B(16)      ,input   , X),"  &
    "36 (BC_1, B(17)      ,input   , X),"  &
    "37 (BC_1, B(18)      ,input   , X),"  &
    "38 (BC_1, B(19)      ,input   , X),"  &
    "39 (BC_1, B(20)      ,input   , X),"  &
    "40 (BC_1, A(1)       ,output3 , X, 86, 1, Z),"  &
    "41 (BC_1, A(2)       ,output3 , X, 86, 1, Z),"  &
    "42 (BC_1, A(3)       ,output3 , X, 86, 1, Z),"  &
    "43 (BC_1, A(4)       ,output3 , X, 86, 1, Z),"  &
    "44 (BC_1, A(5)       ,output3 , X, 86, 1, Z),"  &
    "45 (BC_1, A(6)       ,output3 , X, 86, 1, Z),"  &
    "46 (BC_1, A(7)       ,output3 , X, 86, 1, Z),"  &
    "47 (BC_1, A(8)       ,output3 , X, 86, 1, Z),"  &
    "48 (BC_1, A(9)       ,output3 , X, 86, 1, Z),"  &
    "49 (BC_1, A(10)      ,output3 , X, 86, 1, Z),"  &
    "50 (BC_1, A(11)      ,output3 , X, 86, 1, Z),"  &
    "51 (BC_1, A(12)      ,output3 , X, 86, 1, Z),"  &
    "52 (BC_1, A(13)      ,output3 , X, 86, 1, Z),"  &
    "53 (BC_1, A(14)      ,output3 , X, 86, 1, Z),"  &
    "54 (BC_1, A(15)      ,output3 , X, 86, 1, Z),"  &
    "55 (BC_1, A(16)      ,output3 , X, 86, 1, Z),"  &
    "56 (BC_1, A(17)      ,output3 , X, 86, 1, Z),"  &
    "57 (BC_1, A(18)      ,output3 , X, 86, 1, Z),"  &
    "58 (BC_1, A(19)      ,output3 , X, 86, 1, Z),"  &
    "59 (BC_1, A(20)      ,output3 , X, 86, 1, Z),"  &
    "60 (BC_1, A(1)       ,input   , X),"  &
    "61 (BC_1, A(2)       ,input   , X),"  &
    "62 (BC_1, A(3)       ,input   , X),"  &
    "63 (BC_1, A(4)       ,input   , X),"  &
    "64 (BC_1, A(5)       ,input   , X),"  &
    "65 (BC_1, A(6)       ,input   , X),"  &
    "66 (BC_1, A(7)       ,input   , X),"  &
    "67 (BC_1, A(8)       ,input   , X),"  &
    "68 (BC_1, A(9)       ,input   , X),"  &
    "69 (BC_1, A(10)      ,input   , X),"  &
    "70 (BC_1, A(11)      ,input   , X),"  &
    "71 (BC_1, A(12)      ,input   , X),"  &
    "72 (BC_1, A(13)      ,input   , X),"  &
    "73 (BC_1, A(14)      ,input   , X),"  &
    "74 (BC_1, A(15)      ,input   , X),"  &
    "75 (BC_1, A(16)      ,input   , X),"  &
    "76 (BC_1, A(17)      ,input   , X),"  &
    "77 (BC_1, A(18)      ,input   , X),"  &
    "78 (BC_1, A(19)      ,input   , X),"  &
    "79 (BC_1, A(20)      ,input   , X),"  &
    "80 (BC_1, LEBA       ,input   , X),"  &
    "81 (BC_1, LEAB       ,input   , X),"  &
    "82 (BC_1, CLKENBA_NEG,input   , X),"  &
    "83 (BC_1, CLKENAB_NEG,input   , X),"  &
    "84 (BC_1, CLKBA      ,input   , X),"  &
    "85 (BC_1, CLKAB      ,input   , X),"  &
    "86 (BC_1, OEBA_NEG   ,input   , 1),"  &
    "86 (BC_1, *          ,controlr, 1),"  &
    "87 (BC_1, OEAB_NEG   ,input   , 1),"  &
    "87 (BC_1, *          ,controlr, 1) " ;

end sn74abt18504;

This library contains 7717 BSDL files (for 6088 distinct entities) from 66 vendors
Last BSDL model (MPC885) was added on Oct 22, 2017 15:27
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