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diff --git a/library/SubcircuitLibrary/CD4020/tff-cache.lib b/library/SubcircuitLibrary/CD4020/tff-cache.lib
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+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# adc_bridge_4
+#
+DEF adc_bridge_4 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "adc_bridge_4" 0 300 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -350 350 350 -200 0 1 0 N
+X IN1 1 -550 200 200 R 50 50 1 1 I
+X IN2 2 -550 100 200 R 50 50 1 1 I
+X IN3 3 -550 0 200 R 50 50 1 1 I
+X IN4 4 -550 -100 200 R 50 50 1 1 I
+X OUT1 5 550 200 200 L 50 50 1 1 O
+X OUT2 6 550 100 200 L 50 50 1 1 O
+X OUT3 7 550 0 200 L 50 50 1 1 O
+X OUT4 8 550 -100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_tff
+#
+DEF d_tff U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_tff" 0 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S 350 450 -350 -400 0 1 0 N
+X T 1 -550 350 200 R 50 50 1 1 I
+X Clk 2 -550 -300 200 R 50 50 1 1 I C
+X Set 3 0 650 200 D 50 50 1 1 I
+X Reset 4 0 -600 200 U 50 50 1 1 I
+X Out 5 550 350 200 L 50 50 1 1 O
+X Nout 6 550 -300 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# dac_bridge_1
+#
+DEF dac_bridge_1 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "dac_bridge_1" 0 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -400 200 350 -50 0 1 0 N
+X IN1 1 -600 50 200 R 50 50 1 1 I
+X OUT1 2 550 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library