Version 4
SHEET 1 880 680
WIRE -144 48 -160 48
WIRE -32 48 -144 48
WIRE -160 80 -160 48
WIRE 144 128 144 96
WIRE -160 176 -160 160
WIRE -32 192 -32 48
WIRE 48 192 -32 192
WIRE 304 208 240 208
WIRE 48 240 -160 240
WIRE -160 272 -160 240
WIRE 304 272 240 272
WIRE -32 288 -32 192
WIRE 48 288 -32 288
WIRE -160 384 -160 352
WIRE 144 384 144 352
FLAG -160 384 0
FLAG 144 384 0
FLAG 144 96 0
FLAG 304 208 DR1
FLAG 304 272 DR2
FLAG -160 176 0
FLAG -144 48 VDD
FLAG -160 240 in
SYMBOL voltage -160 256 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0 {VDD} 1m 1u 1u 1u 1m)
SYMBOL voltage -160 64 R0
SYMATTR InstName V2
SYMATTR Value {VDD}
SYMBOL CD4027B 144 128 R0
SYMATTR InstName U1
SYMATTR SpiceLine VDD={VDD}  SPEED=1.0  TRIPDT=5e-9
TEXT -528 48 Left 0 !.param VDD=6
TEXT -528 120 Left 0 !.tran 20m
TEXT -480 -192 Left 0 ;Divide By 2 Test Circuit\n \nYou get a better plot reading, if you add different offsets to the observed voltages.\nE.g. Plot   V(in)+20   V(DR1)+10    V(DR2)\n \nThe supply voltage is fully controlled  by the  ".param VDD=5"  command.