path: root/library/SubcircuitLibrary/74HC20/74HC20.sch

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
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 d_inverter U2
U 1 1 684BFD35
P 3000 1250
F 0 "U2" H 3000 1150 60  0000 C CNN
F 1 "d_inverter" H 3000 1400 60  0000 C CNN
F 2 "" H 3050 1200 60  0000 C CNN
F 3 "" H 3050 1200 60  0000 C CNN
	1    3000 1250
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U3
U 1 1 684BFDD9
P 3000 2250
F 0 "U3" H 3000 2150 60  0000 C CNN
F 1 "d_inverter" H 3000 2400 60  0000 C CNN
F 2 "" H 3050 2200 60  0000 C CNN
F 3 "" H 3050 2200 60  0000 C CNN
	1    3000 2250
	1    0    0    -1  
$EndComp
$Comp
L d_nor U10
U 1 1 684BFE19
P 4200 1650
F 0 "U10" H 4200 1650 60  0000 C CNN
F 1 "d_nor" H 4250 1750 60  0000 C CNN
F 2 "" H 4200 1650 60  0000 C CNN
F 3 "" H 4200 1650 60  0000 C CNN
	1    4200 1650
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U4
U 1 1 684BFECC
P 3100 2800
F 0 "U4" H 3100 2700 60  0000 C CNN
F 1 "d_inverter" H 3100 2950 60  0000 C CNN
F 2 "" H 3150 2750 60  0000 C CNN
F 3 "" H 3150 2750 60  0000 C CNN
	1    3100 2800
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U5
U 1 1 684BFED2
P 3100 3800
F 0 "U5" H 3100 3700 60  0000 C CNN
F 1 "d_inverter" H 3100 3950 60  0000 C CNN
F 2 "" H 3150 3750 60  0000 C CNN
F 3 "" H 3150 3750 60  0000 C CNN
	1    3100 3800
	1    0    0    -1  
$EndComp
$Comp
L d_nor U11
U 1 1 684BFED8
P 4300 3200
F 0 "U11" H 4300 3200 60  0000 C CNN
F 1 "d_nor" H 4350 3300 60  0000 C CNN
F 2 "" H 4300 3200 60  0000 C CNN
F 3 "" H 4300 3200 60  0000 C CNN
	1    4300 3200
	1    0    0    -1  
$EndComp
$Comp
L d_nand U14
U 1 1 684BFEEC
P 5900 2250
F 0 "U14" H 5900 2250 60  0000 C CNN
F 1 "d_nand" H 5950 2350 60  0000 C CNN
F 2 "" H 5900 2250 60  0000 C CNN
F 3 "" H 5900 2250 60  0000 C CNN
	1    5900 2250
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U16
U 1 1 684BFF83
P 7350 2200
F 0 "U16" H 7350 2100 60  0000 C CNN
F 1 "d_inverter" H 7350 2350 60  0000 C CNN
F 2 "" H 7400 2150 60  0000 C CNN
F 3 "" H 7400 2150 60  0000 C CNN
	1    7350 2200
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U18
U 1 1 684C003E
P 8350 2200
F 0 "U18" H 8350 2100 60  0000 C CNN
F 1 "d_inverter" H 8350 2350 60  0000 C CNN
F 2 "" H 8400 2150 60  0000 C CNN
F 3 "" H 8400 2150 60  0000 C CNN
	1    8350 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 1250 3300 1550
Wire Wire Line
	3300 1550 3750 1550
Wire Wire Line
	3300 2250 3300 1650
Wire Wire Line
	3300 1650 3750 1650
Wire Wire Line
	4650 1600 5150 1600
Wire Wire Line
	5150 1600 5150 2150
Wire Wire Line
	5150 2150 5450 2150
Wire Wire Line
	3400 2800 3600 2800
Wire Wire Line
	3600 2800 3600 3100
Wire Wire Line
	3600 3100 3850 3100
Wire Wire Line
	3400 3800 3400 3200
Wire Wire Line
	3400 3200 3850 3200
Wire Wire Line
	4750 3150 4750 2250
Wire Wire Line
	4750 2250 5450 2250
Wire Wire Line
	6350 2200 7050 2200
Wire Wire Line
	7650 2200 8050 2200
$Comp
L PORT U1
U 2 1 684C03E8
P 2000 2250
F 0 "U1" H 2050 2350 30  0000 C CNN
F 1 "PORT" H 2000 2250 30  0000 C CNN
F 2 "" H 2000 2250 60  0000 C CNN
F 3 "" H 2000 2250 60  0000 C CNN
	2    2000 2250
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 1 1 684C04F9
P 2050 1250
F 0 "U1" H 2100 1350 30  0000 C CNN
F 1 "PORT" H 2050 1250 30  0000 C CNN
F 2 "" H 2050 1250 60  0000 C CNN
F 3 "" H 2050 1250 60  0000 C CNN
	1    2050 1250
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 3 1 684C0557
P 2100 2800
F 0 "U1" H 2150 2900 30  0000 C CNN
F 1 "PORT" H 2100 2800 30  0000 C CNN
F 2 "" H 2100 2800 60  0000 C CNN
F 3 "" H 2100 2800 60  0000 C CNN
	3    2100 2800
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 7 1 684C05B8
P 2100 5150
F 0 "U1" H 2150 5250 30  0000 C CNN
F 1 "PORT" H 2100 5150 30  0000 C CNN
F 2 "" H 2100 5150 60  0000 C CNN
F 3 "" H 2100 5150 60  0000 C CNN
	7    2100 5150
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 9 1 684C0696
P 2350 6700
F 0 "U1" H 2400 6800 30  0000 C CNN
F 1 "PORT" H 2350 6700 30  0000 C CNN
F 2 "" H 2350 6700 60  0000 C CNN
F 3 "" H 2350 6700 60  0000 C CNN
	9    2350 6700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 1250 2700 1250
Wire Wire Line
	2250 2250 2700 2250
Wire Wire Line
	2350 2800 2800 2800
Wire Wire Line
	2500 3800 2800 3800
Wire Wire Line
	8650 2200 9100 2200
$Comp
L d_inverter U6
U 1 1 684C158C
P 3100 4150
F 0 "U6" H 3100 4050 60  0000 C CNN
F 1 "d_inverter" H 3100 4300 60  0000 C CNN
F 2 "" H 3150 4100 60  0000 C CNN
F 3 "" H 3150 4100 60  0000 C CNN
	1    3100 4150
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U7
U 1 1 684C1592
P 3100 5150
F 0 "U7" H 3100 5050 60  0000 C CNN
F 1 "d_inverter" H 3100 5300 60  0000 C CNN
F 2 "" H 3150 5100 60  0000 C CNN
F 3 "" H 3150 5100 60  0000 C CNN
	1    3100 5150
	1    0    0    -1  
$EndComp
$Comp
L d_nor U12
U 1 1 684C1598
P 4300 4550
F 0 "U12" H 4300 4550 60  0000 C CNN
F 1 "d_nor" H 4350 4650 60  0000 C CNN
F 2 "" H 4300 4550 60  0000 C CNN
F 3 "" H 4300 4550 60  0000 C CNN
	1    4300 4550
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U8
U 1 1 684C159E
P 3200 5700
F 0 "U8" H 3200 5600 60  0000 C CNN
F 1 "d_inverter" H 3200 5850 60  0000 C CNN
F 2 "" H 3250 5650 60  0000 C CNN
F 3 "" H 3250 5650 60  0000 C CNN
	1    3200 5700
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U9
U 1 1 684C15A4
P 3200 6700
F 0 "U9" H 3200 6600 60  0000 C CNN
F 1 "d_inverter" H 3200 6850 60  0000 C CNN
F 2 "" H 3250 6650 60  0000 C CNN
F 3 "" H 3250 6650 60  0000 C CNN
	1    3200 6700
	1    0    0    -1  
$EndComp
$Comp
L d_nor U13
U 1 1 684C15AA
P 4400 6100
F 0 "U13" H 4400 6100 60  0000 C CNN
F 1 "d_nor" H 4450 6200 60  0000 C CNN
F 2 "" H 4400 6100 60  0000 C CNN
F 3 "" H 4400 6100 60  0000 C CNN
	1    4400 6100
	1    0    0    -1  
$EndComp
$Comp
L d_nand U15
U 1 1 684C15B0
P 6000 5150
F 0 "U15" H 6000 5150 60  0000 C CNN
F 1 "d_nand" H 6050 5250 60  0000 C CNN
F 2 "" H 6000 5150 60  0000 C CNN
F 3 "" H 6000 5150 60  0000 C CNN
	1    6000 5150
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U17
U 1 1 684C15B6
P 7450 5100
F 0 "U17" H 7450 5000 60  0000 C CNN
F 1 "d_inverter" H 7450 5250 60  0000 C CNN
F 2 "" H 7500 5050 60  0000 C CNN
F 3 "" H 7500 5050 60  0000 C CNN
	1    7450 5100
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U19
U 1 1 684C15BC
P 8450 5100
F 0 "U19" H 8450 5000 60  0000 C CNN
F 1 "d_inverter" H 8450 5250 60  0000 C CNN
F 2 "" H 8500 5050 60  0000 C CNN
F 3 "" H 8500 5050 60  0000 C CNN
	1    8450 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 4150 3400 4450
Wire Wire Line
	3400 4450 3850 4450
Wire Wire Line
	3400 5150 3400 4550
Wire Wire Line
	3400 4550 3850 4550
Wire Wire Line
	4750 4500 5250 4500
Wire Wire Line
	5250 4500 5250 5050
Wire Wire Line
	5250 5050 5550 5050
Wire Wire Line
	3500 5700 3700 5700
Wire Wire Line
	3700 5700 3700 6000
Wire Wire Line
	3700 6000 3950 6000
Wire Wire Line
	3500 6700 3500 6100
Wire Wire Line
	3500 6100 3950 6100
Wire Wire Line
	4850 6050 4850 5150
Wire Wire Line
	4850 5150 5550 5150
Wire Wire Line
	6450 5100 7150 5100
Wire Wire Line
	7750 5100 8150 5100
$Comp
L PORT U1
U 5 1 684C15D2
P 9350 2200
F 0 "U1" H 9400 2300 30  0000 C CNN
F 1 "PORT" H 9350 2200 30  0000 C CNN
F 2 "" H 9350 2200 60  0000 C CNN
F 3 "" H 9350 2200 60  0000 C CNN
	5    9350 2200
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 4 1 684C15D8
P 2250 3800
F 0 "U1" H 2300 3900 30  0000 C CNN
F 1 "PORT" H 2250 3800 30  0000 C CNN
F 2 "" H 2250 3800 60  0000 C CNN
F 3 "" H 2250 3800 60  0000 C CNN
	4    2250 3800
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 6 1 684C15DE
P 2150 4150
F 0 "U1" H 2200 4250 30  0000 C CNN
F 1 "PORT" H 2150 4150 30  0000 C CNN
F 2 "" H 2150 4150 60  0000 C CNN
F 3 "" H 2150 4150 60  0000 C CNN
	6    2150 4150
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 8 1 684C15E4
P 2200 5700
F 0 "U1" H 2250 5800 30  0000 C CNN
F 1 "PORT" H 2200 5700 30  0000 C CNN
F 2 "" H 2200 5700 60  0000 C CNN
F 3 "" H 2200 5700 60  0000 C CNN
	8    2200 5700
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 10 1 684C15EA
P 9450 5100
F 0 "U1" H 9500 5200 30  0000 C CNN
F 1 "PORT" H 9450 5100 30  0000 C CNN
F 2 "" H 9450 5100 60  0000 C CNN
F 3 "" H 9450 5100 60  0000 C CNN
	10   9450 5100
	-1   0    0    1   
$EndComp
Wire Wire Line
	2400 4150 2800 4150
Wire Wire Line
	2350 5150 2800 5150
Wire Wire Line
	2450 5700 2900 5700
Wire Wire Line
	2600 6700 2900 6700
Wire Wire Line
	8750 5100 9200 5100
$EndSCHEMATC