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来自「cadence公司pcb内部培训的资料,并且附带其中的例子程序!比市面上任何一本」· Verilog 代码 · 共 318 行

`timescale 1ns/1ns

module high_speed_ram (rd, ra, rcs0, rcs1, rcs2, rcs3, rwe );
// generated by  HDL Direct 14.20-p006 14-Mar-2002
// on Wed May 01 09:04:33 2002
// from project1_lib/HIGH_SPEED_RAM/sch_1

  output [7:0] rd;
  input [15:0] ra;
  input  rcs0;
  input  rcs1;
  input  rcs2;
  input  rcs3;
  input  rwe;
  // global signal glbl.gnd;
  // global signal glbl.vcc;

  wire  gnd;
  wire  page2_gnd;
  wire  page1_gnd;
  wire [15:0] page1_ra;
  wire  page1_rcs0;
  wire  page1_rcs1;
  wire  page2_rcs2;
  wire  page2_rcs3;
  wire [7:0] page1_rd;
  wire  page1_rwe;
  wire  vcc;
  wire  page2_vcc;
  wire  page1_vcc;

  assign gnd = glbl.gnd;
  assign page2_gnd = gnd;
  assign page1_gnd = gnd;
  assign page1_ra = ra;
  assign page1_rcs0 = rcs0;
  assign page1_rcs1 = rcs1;
  assign page2_rcs2 = rcs2;
  assign page2_rcs3 = rcs3;
  assign page1_rd = rd;
  assign page1_rwe = rwe;
  assign vcc = glbl.vcc;
  assign page2_vcc = vcc;
  assign page1_vcc = vcc;

  assign gnd  = glbl.gnd;
  assign vcc  = glbl.vcc;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign gnd  = glbl.gnd;
  assign vcc  = glbl.vcc;

// begin instances 

  tc55b4257 page1_i1  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs0),
	.dq1(rd[7]),
	.dq2(rd[6]),
	.dq3(rd[5]),
	.dq4(rd[4]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  tc55b4257 page1_i2  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs1),
	.dq1(rd[7]),
	.dq2(rd[6]),
	.dq3(rd[5]),
	.dq4(rd[4]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  tc55b4257 page1_i7  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs1),
	.dq1(rd[3]),
	.dq2(rd[2]),
	.dq3(rd[1]),
	.dq4(rd[0]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  tc55b4257 page1_i8  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs0),
	.dq1(rd[3]),
	.dq2(rd[2]),
	.dq3(rd[1]),
	.dq4(rd[0]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  cap_np page1_i169  (.a(glbl.vcc),
	.b(glbl.gnd));

  cap_np page1_i174  (.a(glbl.vcc),
	.b(glbl.gnd));

  cap_np page1_i175  (.a(glbl.vcc),
	.b(glbl.gnd));

  cap_np page1_i176  (.a(glbl.vcc),
	.b(glbl.gnd));

  tc55b4257 page2_i1  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs2),
	.dq1(rd[7]),
	.dq2(rd[6]),
	.dq3(rd[5]),
	.dq4(rd[4]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  tc55b4257 page2_i2  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs2),
	.dq1(rd[3]),
	.dq2(rd[2]),
	.dq3(rd[1]),
	.dq4(rd[0]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  tc55b4257 page2_i27  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs3),
	.dq1(rd[7]),
	.dq2(rd[6]),
	.dq3(rd[5]),
	.dq4(rd[4]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  tc55b4257 page2_i53  (.a0(ra[0]),
	.a1(ra[1]),
	.a2(ra[2]),
	.a3(ra[3]),
	.a4(ra[4]),
	.a5(ra[5]),
	.a6(ra[6]),
	.a7(ra[7]),
	.a8(ra[8]),
	.a9(ra[9]),
	.a10(ra[10]),
	.a11(ra[11]),
	.a12(ra[12]),
	.a13(ra[13]),
	.a14(ra[14]),
	.a15(ra[15]),
	.a16(/* unconnected */),
	.a17(/* unconnected */),
	.\ce* (rcs3),
	.dq1(rd[3]),
	.dq2(rd[2]),
	.dq3(rd[1]),
	.dq4(rd[0]),
	.\eo* (glbl.gnd),
	.io1(/* unconnected */),
	.io2(/* unconnected */),
	.io3(/* unconnected */),
	.\we* (rwe));

  cap_np page2_i89  (.a(glbl.vcc),
	.b(glbl.gnd));

  cap_np page2_i90  (.a(glbl.vcc),
	.b(glbl.gnd));

  cap_np page2_i91  (.a(glbl.vcc),
	.b(glbl.gnd));

  cap_np page2_i92  (.a(glbl.vcc),
	.b(glbl.gnd));

endmodule // high_speed_ram(sch_1)