clock-generator.sch

EESchema Schematic File Version 4
LIBS:8080-HC-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 8
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 74xx:74LS161 U1
U 1 1 5C94B02E
P 2550 4450
F 0 "U1" H 2550 5431 50  0000 C CNN
F 1 "74HC161" H 2550 5340 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 2550 4450 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS161" H 2550 4450 50  0001 C CNN
	1    2550 4450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5C94B8B9
P 1750 3950
F 0 "#PWR0101" H 1750 3700 50  0001 C CNN
F 1 "GND" H 1755 3777 50  0000 C CNN
F 2 "" H 1750 3950 50  0001 C CNN
F 3 "" H 1750 3950 50  0001 C CNN
	1    1750 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 3950 1950 3950
Wire Wire Line
	1950 3950 1950 4050
Wire Wire Line
	2050 4050 1950 4050
Connection ~ 1950 4050
Wire Wire Line
	1950 4050 1950 4150
Wire Wire Line
	2050 4150 1950 4150
Connection ~ 1950 4150
Wire Wire Line
	1950 4150 1950 4250
Wire Wire Line
	2050 4250 1950 4250
Wire Wire Line
	1750 3950 1950 3950
Connection ~ 1950 3950
Wire Wire Line
	1500 4950 1550 4950
Wire Wire Line
	1550 4950 1550 4650
$Comp
L Device:R R1
U 1 1 5C94C96A
P 1550 4500
F 0 "R1" H 1620 4546 50  0000 L CNN
F 1 "R" H 1620 4455 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 1480 4500 50  0001 C CNN
F 3 "~" H 1550 4500 50  0001 C CNN
	1    1550 4500
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0102
U 1 1 5C94CD12
P 1550 4200
F 0 "#PWR0102" H 1550 4050 50  0001 C CNN
F 1 "VCC" H 1567 4373 50  0000 C CNN
F 2 "" H 1550 4200 50  0001 C CNN
F 3 "" H 1550 4200 50  0001 C CNN
	1    1550 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 4200 1550 4350
Wire Wire Line
	2050 4450 1950 4450
Wire Wire Line
	2050 4550 1950 4550
Wire Wire Line
	1950 4450 1950 4550
Connection ~ 1550 4350
Wire Wire Line
	1950 4350 1950 4450
Wire Wire Line
	1550 4350 1950 4350
Connection ~ 1950 4450
Connection ~ 1550 4950
Wire Wire Line
	1550 4950 2050 4950
Wire Wire Line
	2050 4750 1500 4750
Wire Wire Line
	1950 4550 1950 4650
Wire Wire Line
	1950 4650 2050 4650
Connection ~ 1950 4550
$Comp
L power:VCC #PWR0103
U 1 1 5C953981
P 2300 3650
F 0 "#PWR0103" H 2300 3500 50  0001 C CNN
F 1 "VCC" H 2317 3823 50  0000 C CNN
F 2 "" H 2300 3650 50  0001 C CNN
F 3 "" H 2300 3650 50  0001 C CNN
	1    2300 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 3650 2550 3650
$Comp
L power:GND #PWR0104
U 1 1 5C954BDD
P 2550 5250
F 0 "#PWR0104" H 2550 5000 50  0001 C CNN
F 1 "GND" H 2555 5077 50  0000 C CNN
F 2 "" H 2550 5250 50  0001 C CNN
F 3 "" H 2550 5250 50  0001 C CNN
	1    2550 5250
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS74 U2
U 2 1 5C955F9D
P 2550 6450
F 0 "U2" H 2550 6931 50  0000 C CNN
F 1 "74HC74" H 2550 6840 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 2550 6450 50  0001 C CNN
F 3 "74xx/74hc_hct74.pdf" H 2550 6450 50  0001 C CNN
	2    2550 6450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2550 6750 1550 6750
Wire Wire Line
	1550 6750 1550 4950
Wire Wire Line
	3050 4450 3050 5600
Wire Wire Line
	3050 5600 1950 5600
Wire Wire Line
	1950 5600 1950 6450
Wire Wire Line
	1950 6450 2250 6450
$Comp
L power:VCC #PWR0105
U 1 1 5C9570FE
P 2300 6150
F 0 "#PWR0105" H 2300 6000 50  0001 C CNN
F 1 "VCC" H 2317 6323 50  0000 C CNN
F 2 "" H 2300 6150 50  0001 C CNN
F 3 "" H 2300 6150 50  0001 C CNN
	1    2300 6150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 6150 2550 6150
Wire Wire Line
	2250 6350 2150 6350
Wire Wire Line
	2150 6350 2150 6850
Wire Wire Line
	2150 6850 2950 6850
Wire Wire Line
	2850 6550 2950 6550
Wire Wire Line
	2950 6550 2950 6850
$Comp
L 74xx:74HC04 U3
U 4 1 5C958BDA
P 3400 6550
F 0 "U3" H 3400 6867 50  0000 C CNN
F 1 "74HC04" H 3400 6776 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 3400 6550 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT04.pdf" H 3400 6550 50  0001 C CNN
	4    3400 6550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2950 6550 3100 6550
Connection ~ 2950 6550
$Comp
L 74xx_IEEE:74HC238 U7
U 1 1 5C9C2B72
P 5550 3600
F 0 "U7" H 5550 4116 50  0000 C CNN
F 1 "74HC238" H 5550 4025 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 5550 3600 50  0001 C CNN
F 3 "" H 5550 3600 50  0001 C CNN
	1    5550 3600
	1    0    0    -1  
$EndComp
$Comp
L 74xx_IEEE:74HC238 U6
U 1 1 5C9D3506
P 5550 2350
F 0 "U6" H 5550 2866 50  0000 C CNN
F 1 "74HC238" H 5550 2775 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 5550 2350 50  0001 C CNN
F 3 "" H 5550 2350 50  0001 C CNN
	1    5550 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 3700 4300 3700
Wire Wire Line
	4300 3700 4300 4250
Wire Wire Line
	4300 3700 4300 2900
Wire Wire Line
	4300 2900 5000 2900
Connection ~ 4300 3700
Wire Wire Line
	4200 4150 4200 2800
Wire Wire Line
	4200 2800 5000 2800
Connection ~ 4200 4150
Wire Wire Line
	4200 4150 5000 4150
Wire Wire Line
	4100 4050 4100 2700
Wire Wire Line
	4100 2700 5000 2700
Connection ~ 4100 4050
Wire Wire Line
	4100 4050 5000 4050
$Comp
L 74xx_IEEE:74HC238 U5
U 1 1 5C9D85A7
P 5550 1100
F 0 "U5" H 5550 1616 50  0000 C CNN
F 1 "74HC238" H 5550 1525 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 5550 1100 50  0001 C CNN
F 3 "" H 5550 1100 50  0001 C CNN
	1    5550 1100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 2800 4200 1450
Wire Wire Line
	4200 1450 5000 1450
Connection ~ 4200 2800
Wire Wire Line
	4300 2900 4300 1550
Wire Wire Line
	4300 1550 5000 1550
Connection ~ 4300 2900
Wire Wire Line
	5000 1650 4400 1650
Wire Wire Line
	4400 1650 4400 2300
Wire Wire Line
	4400 2300 5000 2300
Connection ~ 4400 2300
Wire Wire Line
	4400 2300 4400 3550
Wire Wire Line
	4400 3550 5000 3550
Connection ~ 4400 3550
Wire Wire Line
	4400 3550 4400 4800
$Comp
L 74xx_IEEE:74HC238 U8
U 1 1 5C9DD050
P 5550 4850
F 0 "U8" H 5550 5366 50  0000 C CNN
F 1 "74HC238" H 5550 5275 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 5550 4850 50  0001 C CNN
F 3 "" H 5550 4850 50  0001 C CNN
	1    5550 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4400 4800 5000 4800
Connection ~ 4400 4800
Wire Wire Line
	4000 3950 4000 5200
Wire Wire Line
	4000 5200 5000 5200
Connection ~ 4000 3950
Wire Wire Line
	4000 3950 5000 3950
Wire Wire Line
	4100 4050 4100 5300
Wire Wire Line
	4100 5300 5000 5300
Wire Wire Line
	4200 4150 4200 5400
Wire Wire Line
	4200 5400 5000 5400
Wire Wire Line
	4300 4250 4300 4650
Wire Wire Line
	4300 4650 5000 4650
Connection ~ 4300 4250
$Comp
L power:VCC #PWR0106
U 1 1 5C9E5260
P 5000 4950
F 0 "#PWR0106" H 5000 4800 50  0001 C CNN
F 1 "VCC" V 5018 5077 50  0000 L CNN
F 2 "" H 5000 4950 50  0001 C CNN
F 3 "" H 5000 4950 50  0001 C CNN
	1    5000 4950
	0    -1   -1   0   
$EndComp
$Comp
L power:VCC #PWR0107
U 1 1 5C9E5693
P 5000 2450
F 0 "#PWR0107" H 5000 2300 50  0001 C CNN
F 1 "VCC" V 5018 2577 50  0000 L CNN
F 2 "" H 5000 2450 50  0001 C CNN
F 3 "" H 5000 2450 50  0001 C CNN
	1    5000 2450
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5C9F32FE
P 5000 3400
F 0 "#PWR0108" H 5000 3150 50  0001 C CNN
F 1 "GND" V 5005 3272 50  0000 R CNN
F 2 "" H 5000 3400 50  0001 C CNN
F 3 "" H 5000 3400 50  0001 C CNN
	1    5000 3400
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5C9F4C7F
P 5000 2150
F 0 "#PWR0109" H 5000 1900 50  0001 C CNN
F 1 "GND" V 5005 2022 50  0000 R CNN
F 2 "" H 5000 2150 50  0001 C CNN
F 3 "" H 5000 2150 50  0001 C CNN
	1    5000 2150
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0110
U 1 1 5C9F71E3
P 5000 1050
F 0 "#PWR0110" H 5000 800 50  0001 C CNN
F 1 "GND" V 5005 922 50  0000 R CNN
F 2 "" H 5000 1050 50  0001 C CNN
F 3 "" H 5000 1050 50  0001 C CNN
	1    5000 1050
	0    1    1    0   
$EndComp
$Comp
L power:VCC #PWR0111
U 1 1 5C9FE13C
P 5000 1200
F 0 "#PWR0111" H 5000 1050 50  0001 C CNN
F 1 "VCC" V 5018 1327 50  0000 L CNN
F 2 "" H 5000 1200 50  0001 C CNN
F 3 "" H 5000 1200 50  0001 C CNN
	1    5000 1200
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5000 900  5000 1050
Connection ~ 5000 1050
$Comp
L 74xx:74LS126 U4
U 3 1 5CA0D746
P 5500 6100
F 0 "U4" H 5500 6417 50  0000 C CNN
F 1 "74HC126" H 5500 6326 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5500 6100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS126" H 5500 6100 50  0001 C CNN
	3    5500 6100
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS126 U4
U 4 1 5CA0EA17
P 5800 6550
F 0 "U4" H 5800 6867 50  0000 C CNN
F 1 "74HC126" H 5800 6776 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5800 6550 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS126" H 5800 6550 50  0001 C CNN
	4    5800 6550
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS126 U4
U 2 1 5CA0F5A1
P 5500 7000
F 0 "U4" H 5500 7317 50  0000 C CNN
F 1 "74HC126" H 5500 7226 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5500 7000 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS126" H 5500 7000 50  0001 C CNN
	2    5500 7000
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS126 U4
U 1 1 5CA1B159
P 5850 7400
F 0 "U4" H 5850 7717 50  0000 C CNN
F 1 "74HC126" H 5850 7626 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5850 7400 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS126" H 5850 7400 50  0001 C CNN
	1    5850 7400
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 3950 4000 3950
Wire Wire Line
	3050 4050 4100 4050
Wire Wire Line
	3050 4150 4200 4150
Wire Wire Line
	3050 4250 4300 4250
Wire Wire Line
	3700 6550 3750 6550
Wire Wire Line
	4400 4800 3750 4800
Wire Wire Line
	3750 4800 3750 6550
Wire Wire Line
	4000 7400 5550 7400
Connection ~ 4000 5200
Wire Wire Line
	4100 7000 5200 7000
Connection ~ 4100 5300
Wire Wire Line
	4200 6550 5500 6550
Connection ~ 4200 5400
Wire Wire Line
	4300 6100 5200 6100
Connection ~ 4300 4650
Wire Wire Line
	5500 6350 5050 6350
Wire Wire Line
	5050 6350 5050 7250
Wire Wire Line
	5050 7650 5850 7650
Wire Wire Line
	5500 7250 5050 7250
Connection ~ 5050 7250
Wire Wire Line
	5050 7250 5050 7650
Wire Wire Line
	5800 6800 6300 6800
Wire Wire Line
	6300 6800 6300 7650
Wire Wire Line
	6300 7650 5850 7650
Connection ~ 5850 7650
$Comp
L power:VCC #PWR0112
U 1 1 5CA4BC7E
P 5050 6350
F 0 "#PWR0112" H 5050 6200 50  0001 C CNN
F 1 "VCC" V 5068 6477 50  0000 L CNN
F 2 "" H 5050 6350 50  0001 C CNN
F 3 "" H 5050 6350 50  0001 C CNN
	1    5050 6350
	0    -1   -1   0   
$EndComp
Connection ~ 5050 6350
Wire Wire Line
	5800 6100 6550 6100
Wire Wire Line
	6100 6550 6550 6550
Wire Wire Line
	6150 7400 6550 7400
Wire Wire Line
	6550 7000 5800 7000
Wire Wire Line
	4300 4650 4300 6100
Wire Wire Line
	4200 5400 4200 6550
Wire Wire Line
	4100 5300 4100 7000
Wire Wire Line
	4000 5200 4000 7400
Wire Wire Line
	4400 4800 4400 5650
Wire Wire Line
	4400 5650 6550 5650
Text HLabel 6100 900  2    50   Output ~ 0
W0
Text HLabel 6100 1000 2    50   Output ~ 0
W1
Text HLabel 6100 1100 2    50   Output ~ 0
W2
Text HLabel 6100 2350 2    50   Output ~ 0
M2
Text HLabel 6100 3800 2    50   Output ~ 0
T12
Text HLabel 6100 3400 2    50   Output ~ 0
T8
Text HLabel 6100 3500 2    50   Output ~ 0
T9
Text HLabel 6100 3600 2    50   Output ~ 0
T10
Text HLabel 6100 4650 2    50   Output ~ 0
T0
Text HLabel 6100 4750 2    50   Output ~ 0
T1
Text HLabel 6100 4850 2    50   Output ~ 0
T2
Text HLabel 6100 4950 2    50   Output ~ 0
T3
Text HLabel 6100 5050 2    50   Output ~ 0
T4
Text HLabel 6100 5150 2    50   Output ~ 0
T5
Text HLabel 6100 5250 2    50   Output ~ 0
T6
Text HLabel 6100 5350 2    50   Output ~ 0
T7
$Comp
L 74xx:74HC74 U2
U 3 1 5CA81CD5
P 2250 2650
F 0 "U2" H 2480 2696 50  0000 L CNN
F 1 "74HC74" H 2480 2605 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 2250 2650 50  0001 C CNN
F 3 "74xx/74hc_hct74.pdf" H 2250 2650 50  0001 C CNN
	3    2250 2650
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0113
U 1 1 5CA826AB
P 2250 2250
F 0 "#PWR0113" H 2250 2100 50  0001 C CNN
F 1 "VCC" H 2267 2423 50  0000 C CNN
F 2 "" H 2250 2250 50  0001 C CNN
F 3 "" H 2250 2250 50  0001 C CNN
	1    2250 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 5CA82F8B
P 2250 3050
F 0 "#PWR0114" H 2250 2800 50  0001 C CNN
F 1 "GND" H 2255 2877 50  0000 C CNN
F 2 "" H 2250 3050 50  0001 C CNN
F 3 "" H 2250 3050 50  0001 C CNN
	1    2250 3050
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS126 U4
U 5 1 5CA83943
P 3100 2650
F 0 "U4" H 3330 2696 50  0000 L CNN
F 1 "74HC126" H 3330 2605 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 3100 2650 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS126" H 3100 2650 50  0001 C CNN
	5    3100 2650
	1    0    0    -1  
$EndComp
$Comp
L power:VCC #PWR0115
U 1 1 5CA83F59
P 3100 2150
F 0 "#PWR0115" H 3100 2000 50  0001 C CNN
F 1 "VCC" H 3117 2323 50  0000 C CNN
F 2 "" H 3100 2150 50  0001 C CNN
F 3 "" H 3100 2150 50  0001 C CNN
	1    3100 2150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5CA84B2D
P 3100 3150
F 0 "#PWR0116" H 3100 2900 50  0001 C CNN
F 1 "GND" H 3105 2977 50  0000 C CNN
F 2 "" H 3100 3150 50  0001 C CNN
F 3 "" H 3100 3150 50  0001 C CNN
	1    3100 3150
	1    0    0    -1  
$EndComp
Text HLabel 1500 4750 0    50   Input ~ 0
CLK
Text HLabel 1500 4950 0    50   Input ~ 0
MCLR
Text HLabel 6550 7400 2    50   Output ~ 0
QA
Text HLabel 6550 7000 2    50   Output ~ 0
QB
Text HLabel 6550 6550 2    50   Output ~ 0
QC
Text HLabel 6550 6100 2    50   Output ~ 0
QD
Text HLabel 6550 5650 2    50   Output ~ 0
QE
$EndSCHEMATC