4043

.MODEL 4043B_5__CMOS_5V_IC__1 d_chip
+   ( behaviour= "
+;4043  QUAD R/S LATCH W/3-STATE O/P @5V
+/inputs   EO  S0  R0  S1  R1  S2  R2  S3  R3
+/outputs  O0 O1 O2 O3
+/module LATCH_4043
+/inputs  EO S R
+/outputs O
+/CLOCK EO x 1 1 4
+; EO   S   R    F  O
+  X    X   X   X  F0
+; EO   S   R   F  O
+  L    X   X   X  Z
+  H    L   H   X  L
+  H    H   X   X  H
+  H    L   L   X  F0
+/TABLE 1
+; EO  S    R   F  O
+  X   X    X   X  F0
+/delay 2
+;input  output  Rise time  Fall time
+  R       O       X         180n
+  S       O      135n        X
+/conditional_delay 4
+;event to condition output min/max time
+   HZ  EO   (EO=L)    O     MAX     90n
+   LZ  EO   (EO=L)    O     MAX    100n
+   ZH  EO   (EO=H)    O     MAX     50n
+   ZL  EO   (EO=H)    O     MAX     80n
+/constraint 2
+;   Name       Event From  Event To   Min/Max  Time
+ 'PULSE WIDTH'  LH    R     HL   R      MIN     30n
+ 'PULSE WIDTH'  LH    S     HL   S      MIN     30n
+/endmodule
+/instance LATCH_4043 EO S0 R0 O0
+/instance LATCH_4043 EO S1 R1 O1
+/instance LATCH_4043 EO S2 R2 O2
+/instance LATCH_4043 EO S3 R3 O3
+")