Conversion of Pspice full adder * ----------------------------------------------------------- 74LV86A ------ * Quad 2-Input Exclusive-Or Gate * * TI PDF File * bss 2/24/03 * .SUBCKT 74LV86A 1A 1B 1Y + optional: DPWR_3V=$G_DPWR_3V DGND_3V=$G_DGND_3V + params: MNTYMXDLY=0 IO_LEVEL=0 U1 xor DPWR_3V DGND_3V + 1A 1B 1Y + DLY_LV86 IO_LV-A MNTYMXDLY={MNTYMXDLY} IO_LEVEL={IO_LEVEL} .model DLY_LV86 ugate (tplhTY=7.4ns tplhMX=14.5ns tphlTY=7.4ns tphlMX=14.5ns) .ENDS 74LV86A * ----------------------------------------------------------- 74LV08A ------ * Quad 2-Input And Gate * * TI PDF File * bss 2/21/03 * .SUBCKT 74LV08A 1A 1B 1Y + optional: DPWR_3V=$G_DPWR_3V DGND_3V=$G_DGND_3V + params: MNTYMXDLY=0 IO_LEVEL=0 U1 and(2) DPWR_3V DGND_3V + 1A 1B 1Y + DLY_LV08 IO_LV-A MNTYMXDLY={MNTYMXDLY} IO_LEVEL={IO_LEVEL} .model DLY_LV08 ugate (tplhTY=7.5ns tplhMX=12.3ns tphlTY=7.5ns tphlMX=12.3ns) .ENDS 74LV08A * ----------------------------------------------------------- 74LV32A ------ * Quad 2-Input Or Gate * * TI PDF File * bss 2/24/03 * .SUBCKT 74LV32A 1A 1B 1Y + optional: DPWR_3V=$G_DPWR_3V DGND_3V=$G_DGND_3V + params: MNTYMXDLY=0 IO_LEVEL=0 U1 or(2) DPWR_3V DGND_3V + 1A 1B 1Y + DLY_LV32 IO_LV-A MNTYMXDLY={MNTYMXDLY} IO_LEVEL={IO_LEVEL} .model DLY_LV32 ugate ( + tplhTY=6.9ns tplhMX=11.4ns tphlTY=6.9ns tphlMX=11.4ns) .ENDS 74LV32A .subckt hadd a b sum carry x1_xor a b sum 74lv86a x2_and a b carry 74lv08a .ends hadd .subckt fadd a b cin sum cout x1_ha a b 1 2 hadd x2_ha 1 cin sum 3 hadd x3_or 3 2 cout 74lv32a .ends fadd x1 a b cin sum cout fadd a2 [a b cin] input_vec1 .model input_vec1 d_source(input_file = "ex4.stim") .tran 0.5ns 1650ns 0 .save all .control listing expand run display edisplay eprint a b cin sum cout set xbrushwidth=3 plot a b cin cout sum digitop *quit .endc .end