Version 4
SHEET 1 1604 868
WIRE -992 -96 -1088 -96
WIRE -320 -96 -992 -96
WIRE -1344 -80 -1392 -80
WIRE -1088 -64 -1088 -96
WIRE -864 -64 -1008 -64
WIRE -320 -64 -864 -64
WIRE -1392 -32 -1392 -80
WIRE -1008 -32 -1008 -64
WIRE -560 -32 -928 -32
WIRE -320 -32 -560 -32
WIRE -1216 -16 -1232 -16
WIRE -928 0 -928 -32
WIRE -448 0 -848 0
WIRE -320 0 -448 0
WIRE 0 32 -96 32
WIRE -848 48 -848 0
WIRE -1232 64 -1232 -16
WIRE 0 64 -96 64
WIRE -448 96 -480 96
WIRE -448 128 -448 96
WIRE -320 128 -448 128
WIRE 0 128 -96 128
WIRE -320 160 -336 160
WIRE -304 160 -320 160
WIRE 0 160 -96 160
WIRE -1392 176 -1392 48
WIRE -1232 176 -1232 144
WIRE -1088 176 -1088 16
WIRE -1008 176 -1008 48
WIRE -928 176 -928 80
WIRE -848 176 -848 128
WIRE -448 192 -448 128
WIRE -320 192 -448 192
WIRE 0 192 -96 192
WIRE -448 224 -448 192
WIRE -320 224 -448 224
WIRE 0 224 -96 224
FLAG -1392 176 0
FLAG -1344 -80 High
IOPIN -1344 -80 Out
FLAG -480 96 High
IOPIN -480 96 In
FLAG -928 176 0
FLAG 0 128 Q0
IOPIN 0 128 Out
FLAG 0 160 Q1
IOPIN 0 160 Out
FLAG 0 192 Q2
IOPIN 0 192 Out
FLAG 0 224 Q3
IOPIN 0 224 Out
FLAG -1088 176 0
FLAG 0 32 TC\_U
IOPIN 0 32 Out
FLAG 0 64 TC\_D
IOPIN 0 64 Out
FLAG -1008 176 0
FLAG -848 176 0
FLAG -992 -96 MR
FLAG -864 -64 CP_U
FLAG -560 -32 CP_D
FLAG -448 0 PL\
FLAG -1232 176 0
FLAG -1216 -16 Low
IOPIN -1216 -16 Out
FLAG -336 160 Low
IOPIN -336 160 In
SYMBOL 74HC193 -208 -192 R0
SYMATTR InstName X1
SYMBOL voltage -1392 -48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value {vhighgate}
SYMBOL voltage -1088 -80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 7 -13 Invisible 0
SYMATTR Value PWL(0 {vlowgate} 27u {vlowgate} 28u {vhighgate} 37u {vhighgate} 38u {vlowgate} 637u {vlowgate} 638u {vhighgate} 647u {vhighgate} 648u {vlowgate})
SYMATTR InstName V3
SYMBOL voltage -1008 -48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 24 104 Invisible 0
SYMATTR Value PWL(0 {vhighgate} 164u {vhighgate} 165u {vlowgate} 184u {vlowgate} 185u {vhighgate} 204u {vhighgate} 205u {vlowgate} 224u {vlowgate} 225u {vhighgate} 244u {vhighgate} 245u {vlowgate} 264u {vlowgate} 265u {vhighgate} 284u {vhighgate} 285u {vlowgate} 304u {vlowgate} 305u {vhighgate} 324u {vhighgate} 325u {vlowgate} 344u {vlowgate} 345u {vhighgate})
SYMATTR InstName V4
SYMBOL voltage -848 32 R0
WINDOW 3 7 -10 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE({vhighgate} {vlowgate} 100u 0 0 10u 125u 1)
SYMATTR InstName V5
SYMBOL voltage -928 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 24 104 Invisible 0
SYMATTR Value PWL(0 {vhighgate} 434u {vhighgate} 435u {vlowgate} 454u {vlowgate} 455u {vhighgate} 474u {vhighgate} 475u {vlowgate} 494u {vlowgate} 495u {vhighgate} 514u {vhighgate} 515u {vlowgate} 534u {vlowgate} 535u {vhighgate} 554u {vhighgate} 555u {vlowgate} 574u {vlowgate} 575u {vhighgate} 594u {vhighgate} 595u {vlowgate} 614u {vlowgate} 615u {vhighgate})
SYMATTR InstName V2
SYMBOL voltage -1232 48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value {vlowgate}
TEXT -952 -160 Left 0 !.tran 0 700u 0 10n
TEXT -1576 216 Left 0 ;"Low" is the lable for a logical low, same as a floating ground, defined in parameter list as vlowgate.\n"High" is the lable for logical high, same as Vcc, defined in parameter list as vhighgate.
TEXT -952 -192 Left 0 !.param tdgate=10n tdgate2=3*tdgate tripdtgate=1n vhighgate=5v vlowgate=0v
TEXT -1576 296 Left 0 ;The variables in the .param statement are required for correct opporation of the 74HC193 component.\nThe values assigned to tdgate (basic gate delay time), tdgate2 (flipflop gate delay time) tripdtgate (maximum timestep size across simulator state changes),\nvhighgate (gate logic high voltage), and vlowgate (gate logic low voltage) may be changed to simlate any desired logic family.
TEXT -1440 -200 Left 0 ;74HC193 Test Circuit\nLast updated: April 21, 2008