1 files changed, 147 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/CD4027B_IC/Buffer.sch b/library/SubcircuitLibrary/CD4027B_IC/Buffer.sch
new file mode 100644
index 00000000..03c7aa48
--- /dev/null
+++ b/library/SubcircuitLibrary/CD4027B_IC/Buffer.sch
@@ -0,0 +1,147 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+LIBS:Buffer-cache
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L NOT_Gate X1
+U 1 1 66559010
+P 3600 3650
+F 0 "X1" H 4200 3450 60  0000 C CNN
+F 1 "NOT_Gate" H 4250 3850 60  0000 C CNN
+F 2 "" H 3600 3650 60  0001 C CNN
+F 3 "" H 3600 3650 60  0001 C CNN
+	1    3600 3650
+	1    0    0    -1  
+$EndComp
+$Comp
+L NOT_Gate X2
+U 1 1 66559039
+P 4650 3650
+F 0 "X2" H 5250 3450 60  0000 C CNN
+F 1 "NOT_Gate" H 5300 3850 60  0000 C CNN
+F 2 "" H 4650 3650 60  0001 C CNN
+F 3 "" H 4650 3650 60  0001 C CNN
+	1    4650 3650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5000 3650 4650 3650
+Wire Wire Line
+	5700 3650 6100 3650
+Wire Wire Line
+	3950 3650 3650 3650
+$Comp
+L PORT U1
+U 1 1 6655907A
+P 3400 3650
+F 0 "U1" H 3450 3750 30  0000 C CNN
+F 1 "PORT" H 3400 3650 30  0000 C CNN
+F 2 "" H 3400 3650 60  0000 C CNN
+F 3 "" H 3400 3650 60  0000 C CNN
+	1    3400 3650
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 2 1 665590B5
+P 6350 3650
+F 0 "U1" H 6400 3750 30  0000 C CNN
+F 1 "PORT" H 6350 3650 30  0000 C CNN
+F 2 "" H 6350 3650 60  0000 C CNN
+F 3 "" H 6350 3650 60  0000 C CNN
+	2    6350 3650
+	-1   0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 3 1 665614BF
+P 4500 3000
+F 0 "U1" H 4550 3100 30  0000 C CNN
+F 1 "PORT" H 4500 3000 30  0000 C CNN
+F 2 "" H 4500 3000 60  0000 C CNN
+F 3 "" H 4500 3000 60  0000 C CNN
+	3    4500 3000
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 4 1 665614F8
+P 4550 4250
+F 0 "U1" H 4600 4350 30  0000 C CNN
+F 1 "PORT" H 4550 4250 30  0000 C CNN
+F 2 "" H 4550 4250 60  0000 C CNN
+F 3 "" H 4550 4250 60  0000 C CNN
+	4    4550 4250
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4200 3950 4200 4100
+Wire Wire Line
+	4200 4100 5250 4100
+Wire Wire Line
+	5250 4100 5250 3950
+Wire Wire Line
+	4800 4250 4800 4100
+Connection ~ 4800 4100
+Wire Wire Line
+	4200 3350 4200 3200
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 4750 3200
+$EndSCHEMATC