EESchema Schematic File Version 4
LIBS:MZ80-80CLR
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 6
Title "MZ-80A 40/80 Column & CG Module"
Date "2020-06-25"
Rev "2.0"
Comp ""
Comment1 "to allow the selection of different character sets."
Comment2 "columns. Additionally expand the character generation ROM"
Comment3 "create the ability to programmatically switch between 40/80."
Comment4 "Using original gate arrays with logic substituted with the CPLD"
$EndDescr
Wire Wire Line
	3650 1050 3650 2050
Connection ~ 3650 1050
Wire Wire Line
	3650 1050 3750 1050
$Comp
L power:+5V #PWR?
U 1 1 6DF66A64
P 3750 1050
AR Path="/6DF66A64" Ref="#PWR?"  Part="1" 
AR Path="/689FAE6F/6DF66A64" Ref="#PWR?"  Part="1" 
AR Path="/600002AE/6DF66A64" Ref="#PWR?"  Part="1" 
AR Path="/6E14A406/6DF66A64" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 3750 900 50  0001 C CNN
F 1 "+5V" H 3750 1200 50  0000 C CNN
F 2 "" H 3750 1050 50  0001 C CNN
F 3 "" H 3750 1050 50  0001 C CNN
	1    3750 1050
	1    0    0    -1  
$EndComp
Entry Wire Line
	1300 650  1400 750 
Entry Wire Line
	1300 750  1400 850 
Entry Wire Line
	1300 850  1400 950 
Entry Wire Line
	1300 950  1400 1050
Entry Wire Line
	1300 1050 1400 1150
Entry Wire Line
	1300 1150 1400 1250
Entry Wire Line
	1300 1250 1400 1350
Entry Wire Line
	1300 1350 1400 1450
Entry Wire Line
	1300 1450 1400 1550
Entry Wire Line
	1300 1550 1400 1650
Entry Wire Line
	1300 1650 1400 1750
Entry Wire Line
	1300 1750 1400 1850
Entry Wire Line
	1300 1850 1400 1950
Entry Wire Line
	1300 1950 1400 2050
Entry Wire Line
	1300 2050 1400 2150
Entry Wire Line
	1300 2150 1400 2250
Entry Wire Line
	1300 2250 1400 2350
Entry Bus Bus
	1400 650  1500 550 
Wire Wire Line
	3600 2850 3200 2850
Connection ~ 3600 2850
Wire Wire Line
	3600 4550 3600 2850
Wire Wire Line
	3150 4500 3150 4550
NoConn ~ 2750 4400
NoConn ~ 2750 4300
Text Label 6550 650  3    31   ~ 0
16MHZ
Wire Wire Line
	2350 4000 2750 4000
Wire Wire Line
	2350 3900 2750 3900
Wire Wire Line
	2350 3800 2750 3800
Wire Wire Line
	2350 3700 2750 3700
Wire Wire Line
	2350 3600 2750 3600
Wire Wire Line
	2350 3500 2750 3500
Wire Wire Line
	2350 3400 2750 3400
Wire Wire Line
	2350 3300 2750 3300
Wire Wire Line
	2350 3200 2750 3200
Wire Wire Line
	2350 3100 2750 3100
Wire Wire Line
	2350 3000 2750 3000
Wire Wire Line
	3550 3750 3900 3750
Wire Wire Line
	3550 3650 3900 3650
Wire Wire Line
	3550 3550 3900 3550
Wire Wire Line
	3550 3450 3900 3450
Wire Wire Line
	3550 3350 3900 3350
Wire Wire Line
	3550 3250 3900 3250
Wire Wire Line
	3550 3150 3900 3150
Wire Wire Line
	3550 3050 3900 3050
Wire Wire Line
	3650 2450 3600 2450
Wire Wire Line
	3600 1950 3900 1950
Wire Wire Line
	3600 1850 3900 1850
Wire Wire Line
	3600 1750 3900 1750
Wire Wire Line
	3600 1650 3900 1650
Wire Wire Line
	3600 1550 3900 1550
Wire Wire Line
	3600 1450 3900 1450
Wire Wire Line
	3600 1350 3900 1350
Wire Wire Line
	3600 1250 3900 1250
Text Label 3700 3350 0    31   ~ 0
CGD3
Text Label 3700 3250 0    31   ~ 0
CGD2
Text Label 3700 3150 0    31   ~ 0
CGD1
Text Label 3700 3050 0    31   ~ 0
CGD0
Text Label 3700 1950 0    31   ~ 0
CGD7
Text Label 3700 1850 0    31   ~ 0
CGD6
Text Label 3700 1750 0    31   ~ 0
CGD5
Text Label 3700 1650 0    31   ~ 0
CGD4
Text Label 3700 1550 0    31   ~ 0
CGD3
Text Label 3700 1450 0    31   ~ 0
CGD2
Text Label 3700 1350 0    31   ~ 0
CGD1
Text Label 3700 1250 0    31   ~ 0
CGD0
Entry Wire Line
	3900 3350 4000 3450
Entry Wire Line
	3900 3250 4000 3350
Entry Wire Line
	3900 3150 4000 3250
Entry Wire Line
	3900 3050 4000 3150
Entry Wire Line
	3900 1950 4000 2050
Entry Wire Line
	3900 1850 4000 1950
Entry Wire Line
	3900 1750 4000 1850
Entry Wire Line
	3900 1650 4000 1750
Entry Wire Line
	3900 1550 4000 1650
Entry Wire Line
	3900 1450 4000 1550
Entry Wire Line
	3900 1350 4000 1450
Entry Wire Line
	3900 1250 4000 1350
Text Label 3700 3750 0    31   ~ 0
CGD7
Text Label 3700 3650 0    31   ~ 0
CGD6
Text Label 3700 3550 0    31   ~ 0
CGD5
Text Label 3700 3450 0    31   ~ 0
CGD4
Entry Wire Line
	3900 3750 4000 3850
Entry Wire Line
	3900 3650 4000 3750
Entry Wire Line
	3900 3550 4000 3650
Entry Wire Line
	3900 3450 4000 3550
Wire Wire Line
	2700 950  3200 950 
Wire Wire Line
	2350 2650 2800 2650
Wire Wire Line
	2350 2550 2800 2550
Wire Wire Line
	2350 2350 2800 2350
Wire Wire Line
	2350 2250 2800 2250
Wire Wire Line
	2350 2150 2800 2150
Wire Wire Line
	2350 2050 2800 2050
Wire Wire Line
	2350 1950 2800 1950
Wire Wire Line
	2350 1850 2800 1850
Wire Wire Line
	2350 1750 2800 1750
Wire Wire Line
	2350 1650 2800 1650
Wire Wire Line
	2350 1550 2800 1550
Wire Wire Line
	2350 1450 2800 1450
Wire Wire Line
	2350 1350 2800 1350
Wire Wire Line
	2350 1250 2800 1250
NoConn ~ 2750 4100
Entry Wire Line
	2250 3500 2350 3400
Entry Wire Line
	2250 3600 2350 3500
Entry Wire Line
	2250 3700 2350 3600
Entry Wire Line
	2250 3800 2350 3700
Entry Wire Line
	2250 3900 2350 3800
Entry Wire Line
	2250 4000 2350 3900
Entry Wire Line
	2250 4100 2350 4000
Text Label 2400 3400 0    31   ~ 0
CGA4
Text Label 2400 3500 0    31   ~ 0
CGA5
Text Label 2400 3600 0    31   ~ 0
CGA6
Text Label 2400 3700 0    31   ~ 0
CGA7
Text Label 2400 3800 0    31   ~ 0
CGA8
Text Label 2400 3900 0    31   ~ 0
CGA9
Text Label 2400 4000 0    31   ~ 0
CGA10
$Comp
L MZ80-80CLR:2732_Socket SK?
U 1 1 66246898
P 3150 3700
AR Path="/66246898" Ref="SK?"  Part="1" 
AR Path="/689FAE6F/66246898" Ref="SK?"  Part="1" 
AR Path="/600002AE/66246898" Ref="SK?"  Part="1" 
AR Path="/6E14A406/66246898" Ref="SK?"  Part="1" 
F 0 "SK?" H 3150 3400 50  0000 C CNN
F 1 "IC15 Socket" H 3150 3200 50  0000 C CNN
F 2 "Package_DIP:DIP-24_W15.24mm_Socket" H 3150 3700 50  0001 C CNN
F 3 "" H 3150 3700 50  0001 C CNN
	1    3150 3700
	1    0    0    -1  
$EndComp
Entry Wire Line
	2250 1350 2350 1250
Entry Wire Line
	2250 1450 2350 1350
Entry Wire Line
	2250 1550 2350 1450
Entry Wire Line
	2250 1650 2350 1550
Entry Wire Line
	2250 1750 2350 1650
Entry Wire Line
	2250 1850 2350 1750
Entry Wire Line
	2250 1950 2350 1850
Entry Wire Line
	2250 2050 2350 1950
Entry Wire Line
	2250 2150 2350 2050
Entry Wire Line
	2250 2250 2350 2150
Entry Wire Line
	2250 2350 2350 2250
Entry Wire Line
	2250 2450 2350 2350
Entry Wire Line
	2250 2650 2350 2550
Entry Wire Line
	2250 2750 2350 2650
Entry Wire Line
	2250 3100 2350 3000
Entry Wire Line
	2250 3200 2350 3100
Entry Wire Line
	2250 3300 2350 3200
Entry Wire Line
	2250 3400 2350 3300
Text Label 2400 1250 0    31   ~ 0
CGA0
Text Label 2400 1350 0    31   ~ 0
CGA1
Text Label 2400 1450 0    31   ~ 0
CGA2
Text Label 2400 1550 0    31   ~ 0
CGA3
Text Label 2400 1650 0    31   ~ 0
CGA4
Text Label 2400 1750 0    31   ~ 0
CGA5
Text Label 2400 1850 0    31   ~ 0
CGA6
Text Label 2400 1950 0    31   ~ 0
CGA7
Text Label 2400 2050 0    31   ~ 0
CGA8
Text Label 2400 2150 0    31   ~ 0
CGA9
Text Label 2400 2250 0    31   ~ 0
CGA10
Text Label 2400 2350 0    31   ~ 0
CGA11
Text Label 2400 2550 0    31   ~ 0
CGA13
Text Label 2400 2650 0    31   ~ 0
CGA14
Text Label 2400 3000 0    31   ~ 0
CGA0
Text Label 2400 3100 0    31   ~ 0
CGA1
Text Label 2400 3200 0    31   ~ 0
CGA2
Text Label 2400 3300 0    31   ~ 0
CGA3
Wire Wire Line
	3200 1100 3200 1150
$Comp
L Memory_EEPROM:28C256T2 U?
U 1 1 6624684D
P 3200 2150
AR Path="/689FAE6F/6624684D" Ref="U?"  Part="1" 
AR Path="/600002AE/6624684D" Ref="U?"  Part="1" 
AR Path="/6E14A406/6624684D" Ref="U?"  Part="1" 
F 0 "U?" H 3200 2300 50  0000 C CNN
F 1 "28C256T2" H 3250 2150 50  0000 C CNN
F 2 "Package_DIP:DIP-28_W7.62mm" H 3200 2150 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 3200 2150 50  0001 C CNN
	1    3200 2150
	1    0    0    -1  
$EndComp
Connection ~ 3200 2850
Wire Wire Line
	2700 2850 3200 2850
Wire Wire Line
	3700 2850 3600 2850
$Comp
L Device:R_Small R?
U 1 1 66246830
P 3650 2150
AR Path="/66246830" Ref="R?"  Part="1" 
AR Path="/689FAE6F/66246830" Ref="R?"  Part="1" 
AR Path="/600002AE/66246830" Ref="R?"  Part="1" 
AR Path="/6E14A406/66246830" Ref="R?"  Part="1" 
F 0 "R?" H 3750 2150 50  0000 C CNN
F 1 "10K" V 3650 2150 31  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3650 2150 50  0001 C CNN
F 3 "~" H 3650 2150 50  0001 C CNN
	1    3650 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 2250 3650 2450
$Comp
L Device:C_Small C?
U 1 1 66246828
P 2700 1050
AR Path="/66246828" Ref="C?"  Part="1" 
AR Path="/689FAE6F/66246828" Ref="C?"  Part="1" 
AR Path="/600002AE/66246828" Ref="C?"  Part="1" 
AR Path="/6E14A406/66246828" Ref="C?"  Part="1" 
F 0 "C?" H 2792 1081 50  0000 L CNN
F 1 "100nF" H 2792 1004 31  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2700 1050 50  0001 C CNN
F 3 "~" H 2700 1050 50  0001 C CNN
	1    2700 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 1050 3200 950 
Connection ~ 3200 950 
Wire Wire Line
	3200 950  3650 950 
Wire Wire Line
	3650 950  3650 1050
Wire Wire Line
	2700 1150 2700 2850
Wire Wire Line
	3600 2550 3700 2550
Wire Wire Line
	3700 2550 3700 2650
Connection ~ 3700 2650
Wire Wire Line
	3600 2650 3700 2650
Wire Wire Line
	3700 2650 3700 2850
Entry Wire Line
	2250 2550 2350 2450
Wire Wire Line
	2350 2450 2800 2450
Text Label 2400 2450 0    31   ~ 0
CGA12
$Comp
L Memory_RAM:MB14298_Socket SK?
U 1 1 68A811B6
P 9900 4450
F 0 "SK?" H 9950 4950 39  0000 C CNN
F 1 "IC20 Socket" H 10000 4850 39  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm_Socket" H 9900 5450 39  0001 C CNN
F 3 "" H 9900 5450 39  0001 C CNN
	1    9900 4450
	1    0    0    -1  
$EndComp
$Comp
L Memory_RAM:MB14299_Socket SK?
U 1 1 68A83B39
P 7100 4400
F 0 "SK?" H 7100 4200 39  0000 C CNN
F 1 "IC31 Socket" H 7100 4100 39  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm_Socket" H 7100 5350 39  0001 C CNN
F 3 "" H 7100 5350 39  0001 C CNN
	1    7100 4400
	1    0    0    -1  
$EndComp
$Comp
L Memory_RAM:MB14298 U?
U 1 1 68A852CB
P 9900 2050
F 0 "U?" H 10000 2650 39  0000 C CNN
F 1 "MB14298" H 10000 2550 39  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm" H 9900 3050 39  0001 C CNN
F 3 "" H 9900 3050 39  0001 C CNN
	1    9900 2050
	1    0    0    -1  
$EndComp
$Comp
L Memory_RAM:MB14299 U?
U 1 1 68A869EC
P 7100 2050
F 0 "U?" H 7100 1750 39  0000 C CNN
F 1 "MB14299" H 7100 1650 39  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm" H 7100 3000 39  0001 C CNN
F 3 "" H 7100 3000 39  0001 C CNN
	1    7100 2050
	1    0    0    -1  
$EndComp
NoConn ~ 6650 3550
Wire Wire Line
	6650 3750 6500 3750
Wire Wire Line
	6500 3750 6500 1400
Wire Wire Line
	6500 1400 6650 1400
Wire Wire Line
	6650 3950 6450 3950
Wire Wire Line
	6450 3950 6450 1600
Wire Wire Line
	6450 1600 6650 1600
Wire Wire Line
	6650 4200 6400 4200
Wire Wire Line
	6400 4200 6400 1850
Wire Wire Line
	6400 1850 6650 1850
Wire Wire Line
	6350 2200 6650 2200
NoConn ~ 6650 3850
NoConn ~ 6650 4450
Wire Wire Line
	6650 4900 6250 4900
Wire Wire Line
	6250 4900 6250 2550
Wire Wire Line
	6250 2550 6650 2550
Wire Wire Line
	6650 5000 6200 5000
Wire Wire Line
	6200 5000 6200 2650
Wire Wire Line
	6200 2650 6650 2650
Wire Wire Line
	6650 5100 6150 5100
Wire Wire Line
	6150 5100 6150 2750
Wire Wire Line
	6150 2750 6650 2750
Wire Wire Line
	7550 3650 7650 3650
Wire Wire Line
	7650 3650 7650 1300
Wire Wire Line
	7650 1300 7550 1300
Wire Wire Line
	7550 3750 7700 3750
Wire Wire Line
	7700 3750 7700 1400
Wire Wire Line
	7700 1400 7550 1400
NoConn ~ 7550 3850
NoConn ~ 7550 3950
NoConn ~ 7550 4100
NoConn ~ 7550 4300
NoConn ~ 7550 4400
Wire Wire Line
	7550 4500 7800 4500
Wire Wire Line
	7800 4500 7800 2150
Wire Wire Line
	7800 2150 7550 2150
Wire Wire Line
	7550 4600 7850 4600
Wire Wire Line
	7850 4600 7850 2250
Wire Wire Line
	7850 2250 7550 2250
Wire Wire Line
	7550 4700 7900 4700
Wire Wire Line
	7900 4700 7900 2350
Wire Wire Line
	7900 2350 7550 2350
Wire Wire Line
	7550 4800 7950 4800
Wire Wire Line
	7950 4800 7950 2450
Wire Wire Line
	7950 2450 7550 2450
Wire Wire Line
	7550 4900 8000 4900
Wire Wire Line
	8000 4900 8000 2550
Wire Wire Line
	8000 2550 7550 2550
Wire Wire Line
	7550 5000 8050 5000
Wire Wire Line
	8050 5000 8050 2650
Wire Wire Line
	8050 2650 7550 2650
Wire Wire Line
	7550 5100 8100 5100
Wire Wire Line
	8100 5100 8100 2750
Wire Wire Line
	8100 2750 7550 2750
$Comp
L power:GNDPWR #PWR?
U 1 1 68C48A76
P 7200 3200
F 0 "#PWR?" H 7200 3000 50  0001 C CNN
F 1 "GNDPWR" H 7204 3046 50  0000 C CNN
F 2 "" H 7200 3150 50  0001 C CNN
F 3 "" H 7200 3150 50  0001 C CNN
	1    7200 3200
	1    0    0    -1  
$EndComp
$Comp
L power:GNDPWR #PWR?
U 1 1 68C494EE
P 7200 5400
F 0 "#PWR?" H 7200 5200 50  0001 C CNN
F 1 "GNDPWR" H 7204 5246 50  0000 C CNN
F 2 "" H 7200 5350 50  0001 C CNN
F 3 "" H 7200 5350 50  0001 C CNN
	1    7200 5400
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 68C49CE8
P 6700 5550
F 0 "#PWR?" H 6700 5400 50  0001 C CNN
F 1 "+5V" H 6715 5723 50  0000 C CNN
F 2 "" H 6700 5550 50  0001 C CNN
F 3 "" H 6700 5550 50  0001 C CNN
	1    6700 5550
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 68C4A15C
P 6700 3150
F 0 "#PWR?" H 6700 3000 50  0001 C CNN
F 1 "+5V" H 6715 3323 50  0000 C CNN
F 2 "" H 6700 3150 50  0001 C CNN
F 3 "" H 6700 3150 50  0001 C CNN
	1    6700 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6700 3150 7000 3150
Wire Wire Line
	7000 3150 7000 3050
Wire Wire Line
	6700 5550 7000 5550
Wire Wire Line
	7000 5550 7000 5400
Wire Wire Line
	9500 3600 9350 3600
Wire Wire Line
	9350 3600 9350 1200
Wire Wire Line
	9350 1200 9500 1200
Wire Wire Line
	9500 3700 9300 3700
Wire Wire Line
	9300 3700 9300 1300
Wire Wire Line
	9300 1300 9500 1300
Wire Wire Line
	9500 4000 9200 4000
Wire Wire Line
	9200 4000 9200 1600
Wire Wire Line
	9200 1600 9500 1600
Wire Wire Line
	9500 4100 9150 4100
Wire Wire Line
	9150 4100 9150 1700
Wire Wire Line
	9150 1700 9500 1700
Wire Wire Line
	9500 4450 9100 4450
Wire Wire Line
	9500 4950 9000 4950
Wire Wire Line
	9000 4950 9000 2550
Wire Wire Line
	9000 2550 9500 2550
Wire Wire Line
	9500 5050 8950 5050
Wire Wire Line
	8950 2650 9500 2650
Wire Wire Line
	9500 5150 9400 5150
Wire Wire Line
	9400 5150 9400 2750
Wire Wire Line
	9400 2750 9500 2750
NoConn ~ 9500 4850
NoConn ~ 9500 4750
NoConn ~ 9500 4300
Wire Wire Line
	8950 2650 8950 5050
Wire Wire Line
	10350 3600 10400 3600
Wire Wire Line
	10400 3600 10400 1200
Wire Wire Line
	10400 1200 10350 1200
Wire Wire Line
	10350 4200 10450 4200
Wire Wire Line
	10450 4200 10450 1800
Wire Wire Line
	10450 1800 10350 1800
Wire Wire Line
	10350 4350 10500 4350
Wire Wire Line
	10500 4350 10500 1950
Wire Wire Line
	10500 1950 10350 1950
Wire Wire Line
	10350 4450 10550 4450
Wire Wire Line
	10550 2050 10350 2050
Wire Wire Line
	10550 4450 10550 2050
Wire Wire Line
	10350 4550 10600 4550
Wire Wire Line
	10600 4550 10600 2150
Wire Wire Line
	10600 2150 10350 2150
Wire Wire Line
	10350 4750 10650 4750
Wire Wire Line
	10650 4750 10650 2350
Wire Wire Line
	10650 2350 10350 2350
Wire Wire Line
	10350 4850 10700 4850
Wire Wire Line
	10700 4850 10700 2450
Wire Wire Line
	10700 2450 10350 2450
Wire Wire Line
	10350 4950 10750 4950
Wire Wire Line
	10750 4950 10750 2550
Wire Wire Line
	10750 2550 10350 2550
Wire Wire Line
	10350 5050 10900 5050
Wire Wire Line
	10900 2650 10350 2650
Wire Wire Line
	10350 5150 10850 5150
Wire Wire Line
	10850 5150 10850 2800
$Comp
L power:+5V #PWR?
U 1 1 68ED3C76
P 10900 2650
F 0 "#PWR?" H 10900 2500 50  0001 C CNN
F 1 "+5V" H 10915 2823 50  0000 C CNN
F 2 "" H 10900 2650 50  0001 C CNN
F 3 "" H 10900 2650 50  0001 C CNN
	1    10900 2650
	1    0    0    -1  
$EndComp
Connection ~ 10900 2650
$Comp
L power:GNDPWR #PWR?
U 1 1 68ED479B
P 10850 5150
F 0 "#PWR?" H 10850 4950 50  0001 C CNN
F 1 "GNDPWR" H 10854 4996 50  0000 C CNN
F 2 "" H 10850 5100 50  0001 C CNN
F 3 "" H 10850 5100 50  0001 C CNN
	1    10850 5150
	1    0    0    -1  
$EndComp
Connection ~ 10850 5150
Wire Wire Line
	10000 5450 10000 5600
Wire Wire Line
	10000 5600 8900 5600
Wire Wire Line
	8900 5600 8900 3400
Wire Wire Line
	8900 3400 10000 3400
Wire Wire Line
	10000 3400 10000 3050
Wire Wire Line
	9900 5450 9900 5550
Wire Wire Line
	9900 5550 8850 5550
Wire Wire Line
	8850 5550 8850 3350
Wire Wire Line
	8850 3350 9900 3350
Wire Wire Line
	9900 3350 9900 3050
Wire Wire Line
	9800 5450 9800 5500
Wire Wire Line
	9800 5500 8800 5500
Wire Wire Line
	8800 5500 8800 3300
Wire Wire Line
	8800 3300 9800 3300
Wire Wire Line
	9800 3300 9800 3050
$Comp
L 74xx:74LS165 U?
U 1 1 68F336AD
P 4850 6500
F 0 "U?" H 4850 6300 50  0000 L CNN
F 1 "74HCT165" H 4750 6200 50  0000 L CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4850 6500 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS165" H 4850 6500 50  0001 C CNN
	1    4850 6500
	-1   0    0    -1  
$EndComp
$Comp
L 74xx:74LS165_Socket SK?
U 1 1 68F3B395
P 6250 6500
F 0 "SK?" H 6250 6300 50  0000 C CNN
F 1 "IC8 Socket" H 6300 6200 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 6250 6500 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS165" H 6250 6500 50  0001 C CNN
	1    6250 6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 5900 5750 5900
Wire Wire Line
	5350 6000 5750 6000
Wire Wire Line
	5350 6100 5750 6100
Wire Wire Line
	5350 6200 5750 6200
Wire Wire Line
	5350 6300 5750 6300
Wire Wire Line
	5350 6400 5750 6400
Wire Wire Line
	5350 6500 5750 6500
Wire Wire Line
	5350 6600 5750 6600
Wire Wire Line
	5350 6700 5750 6700
Wire Wire Line
	5350 7200 5750 7200
Wire Wire Line
	4850 7500 4850 7550
Wire Wire Line
	4850 7550 5550 7550
Wire Wire Line
	6250 7550 6250 7500
Wire Wire Line
	4850 5600 4850 5550
Wire Wire Line
	6250 5550 6250 5600
$Comp
L power:GNDPWR #PWR?
U 1 1 690B70C3
P 5550 7550
F 0 "#PWR?" H 5550 7350 50  0001 C CNN
F 1 "GNDPWR" H 5554 7396 50  0000 C CNN
F 2 "" H 5550 7500 50  0001 C CNN
F 3 "" H 5550 7500 50  0001 C CNN
	1    5550 7550
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 690B76CC
P 6250 5550
F 0 "#PWR?" H 6250 5400 50  0001 C CNN
F 1 "+5V" H 6265 5723 50  0000 C CNN
F 2 "" H 6250 5550 50  0001 C CNN
F 3 "" H 6250 5550 50  0001 C CNN
	1    6250 5550
	1    0    0    -1  
$EndComp
Connection ~ 5550 7550
Wire Wire Line
	5550 7550 6250 7550
Wire Wire Line
	5400 6900 5350 6900
NoConn ~ 5750 6900
NoConn ~ 5750 7100
Wire Wire Line
	10350 2750 10850 2750
Connection ~ 7200 3150
Connection ~ 7000 3150
Wire Wire Line
	7200 3150 7200 3200
Wire Wire Line
	7200 3050 7200 3150
$Comp
L Device:C_Small C?
U 1 1 6947CFC2
P 7100 3150
F 0 "C?" V 7000 3100 50  0000 L CNN
F 1 "100nF" V 7200 3000 31  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 7100 3150 50  0001 C CNN
F 3 "~" H 7100 3150 50  0001 C CNN
	1    7100 3150
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 694D8E82
P 11000 2650
F 0 "C?" V 10900 2600 50  0000 L CNN
F 1 "100nF" V 11100 2600 31  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 11000 2650 50  0001 C CNN
F 3 "~" H 11000 2650 50  0001 C CNN
	1    11000 2650
	0    1    1    0   
$EndComp
Wire Wire Line
	11100 2650 11100 2800
$Comp
L Device:C_Small C?
U 1 1 69676916
P 4750 5550
F 0 "C?" V 4650 5500 50  0000 L CNN
F 1 "100nF" V 4850 5450 31  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4750 5550 50  0001 C CNN
F 3 "~" H 4750 5550 50  0001 C CNN
	1    4750 5550
	0    1    1    0   
$EndComp
Connection ~ 4850 5550
Connection ~ 4850 7550
Wire Wire Line
	10900 2650 10900 5050
Wire Wire Line
	11100 2800 10850 2800
Connection ~ 10850 2800
Wire Wire Line
	10850 2800 10850 2750
Wire Wire Line
	8500 1400 9500 1400
Wire Wire Line
	8550 1900 9500 1900
NoConn ~ 6650 4550
Wire Wire Line
	9500 4200 9250 4200
Wire Wire Line
	9250 4200 9250 1800
Connection ~ 9250 1800
Wire Wire Line
	9100 2050 9500 2050
Wire Wire Line
	9500 2250 9450 2250
Wire Wire Line
	9500 4650 9450 4650
Wire Wire Line
	9450 4650 9450 2250
NoConn ~ 7550 4200
NoConn ~ 9500 4550
NoConn ~ 9500 3800
NoConn ~ 7550 3550
Wire Wire Line
	8500 2150 9500 2150
Entry Wire Line
	6450 550  6550 650 
Wire Wire Line
	6550 650  6550 1200
Wire Wire Line
	6550 1200 6650 1200
Entry Wire Line
	9150 550  9250 650 
Wire Wire Line
	9250 650  9250 1800
Text Label 9250 650  3    31   ~ 0
2MHZ_OUT
Entry Wire Line
	7500 550  7600 650 
Wire Wire Line
	7600 650  7600 1500
Wire Wire Line
	7600 1500 7550 1500
Text Label 7600 650  3    31   ~ 0
2MHZ_DLY_IN
Entry Wire Line
	7650 550  7750 650 
Text Label 7750 650  3    31   ~ 0
1MHZ_IN_AND_2MHZ
Wire Wire Line
	7750 1950 7550 1950
Wire Wire Line
	7750 650  7750 1950
Entry Wire Line
	9350 550  9450 650 
Wire Wire Line
	9450 650  9450 1800
Text Label 9450 650  3    31   ~ 0
1MHZ_OUT
Wire Wire Line
	9450 1800 9450 2250
Connection ~ 9450 2250
Wire Wire Line
	9250 1800 9450 1800
Text Label 6350 650  3    31   ~ 0
~SRLOAD~
Entry Wire Line
	6250 550  6350 650 
Wire Wire Line
	6350 650  6350 2200
Text Label 9000 650  3    31   ~ 0
SRLOAD
Entry Wire Line
	8900 550  9000 650 
Wire Wire Line
	9000 650  9000 2450
Wire Wire Line
	9000 2450 9500 2450
Entry Wire Line
	5300 550  5400 650 
Text Label 5400 650  3    31   ~ 0
~SRLOAD~
Entry Wire Line
	7750 550  7850 650 
Wire Wire Line
	7850 650  7850 2050
Wire Wire Line
	7550 2050 7850 2050
Text Label 7850 650  3    31   ~ 0
8MHZ_OUT
Entry Wire Line
	8750 550  8850 650 
Text Label 8850 650  3    31   ~ 0
~8MHZ_IN~
Wire Wire Line
	8850 650  8850 2350
Wire Wire Line
	8850 2350 9500 2350
Entry Wire Line
	7850 550  7950 650 
Wire Wire Line
	7950 650  7950 1750
Text Label 7950 650  3    31   ~ 0
C-L_IN
Wire Wire Line
	7950 1750 7550 1750
Entry Wire Line
	8650 550  8750 650 
Text Label 8750 650  3    31   ~ 0
C-L_OUT
Wire Wire Line
	8750 2050 9100 2050
Wire Wire Line
	8750 650  8750 2050
Connection ~ 9100 2050
Wire Wire Line
	9100 2050 9100 4450
Text Label 6150 650  3    31   ~ 0
SRCLOCK_OUT
Entry Wire Line
	6050 550  6150 650 
Wire Wire Line
	6150 650  6150 2100
Wire Wire Line
	6150 2100 6650 2100
Text Label 6450 650  3    31   ~ 0
~40~80-MODE
Entry Wire Line
	6350 550  6450 650 
Wire Wire Line
	6450 650  6450 1500
Wire Wire Line
	6450 1500 6650 1500
Entry Wire Line
	5400 550  5500 650 
Text Label 5500 650  3    31   ~ 0
SRCLOCK_IN
Connection ~ 6250 5550
Wire Wire Line
	4850 5550 6250 5550
Wire Wire Line
	5350 7100 5500 7100
Connection ~ 9450 1800
Wire Wire Line
	9450 1800 9500 1800
Wire Wire Line
	4200 5900 4350 5900
Entry Wire Line
	5200 550  5300 650 
Text Label 5300 650  3    31   ~ 0
SRVIDEO_OUT
Wire Wire Line
	5300 650  5300 5400
Wire Wire Line
	4250 7550 4250 5550
Wire Wire Line
	4250 5550 4650 5550
Wire Wire Line
	4250 7550 4850 7550
NoConn ~ 4350 6000
NoConn ~ 6750 6000
Entry Wire Line
	8250 550  8350 650 
Text Label 8350 650  3    31   ~ 0
SRVIDEO_IN
Wire Wire Line
	8350 650  8350 5900
Text GLabel 950  650  0    39   Output ~ 0
SRCLOCK_OUT
Wire Wire Line
	950  650  1300 650 
Text GLabel 750  750  0    39   Output ~ 0
~SRLOAD~
Wire Wire Line
	750  750  1300 750 
Text GLabel 900  850  0    39   Input ~ 0
~40~80-MODE
Wire Wire Line
	900  850  1300 850 
Text GLabel 750  950  0    39   Input ~ 0
16MHZ
Wire Wire Line
	750  950  1300 950 
Text GLabel 950  1050 0    39   Input ~ 0
2MHZ_DLY_IN
Wire Wire Line
	950  1050 1300 1050
Text GLabel 1150 1150 0    39   Input ~ 0
1MHZ_IN_AND_2MHZ
Wire Wire Line
	1150 1150 1300 1150
Text GLabel 850  1250 0    39   Output ~ 0
8MHZ_OUT
Wire Wire Line
	850  1250 1300 1250
Text GLabel 750  1350 0    39   Input ~ 0
C-L_IN
Wire Wire Line
	750  1350 1300 1350
Text GLabel 950  1450 0    39   Output ~ 0
SRVIDEO_OUT
Wire Wire Line
	950  1450 1300 1450
Text GLabel 750  1550 0    39   Output ~ 0
~SRLOAD~
Wire Wire Line
	750  1550 1300 1550
Text GLabel 900  1650 0    39   Input ~ 0
SRCLOCK_IN
Wire Wire Line
	900  1650 1300 1650
Text GLabel 900  1750 0    39   Input ~ 0
SRVIDEO_IN
Wire Wire Line
	900  1750 1300 1750
Text GLabel 800  1850 0    39   Output ~ 0
C-L_OUT
Wire Wire Line
	800  1850 1300 1850
Text GLabel 800  1950 0    39   Input ~ 0
8MHZ_IN
Wire Wire Line
	800  1950 1300 1950
Text GLabel 750  2050 0    39   Input ~ 0
SRLOAD
Wire Wire Line
	750  2050 1300 2050
Text GLabel 850  2150 0    39   Output ~ 0
2MHZ_OUT
Wire Wire Line
	850  2150 1300 2150
Text GLabel 850  2250 0    39   Output ~ 0
1MHZ_OUT
Wire Wire Line
	850  2250 1300 2250
Wire Wire Line
	6750 5900 8350 5900
Wire Wire Line
	7550 1200 8500 1200
Wire Wire Line
	8500 1200 8500 1400
Wire Wire Line
	7550 1600 8550 1600
Wire Wire Line
	8550 1600 8550 1900
Wire Wire Line
	7550 1850 8500 1850
Wire Wire Line
	8500 1850 8500 2150
Wire Wire Line
	5500 650  5500 7100
Wire Wire Line
	5400 650  5400 6900
Wire Wire Line
	4200 5900 4200 5400
Wire Wire Line
	4200 5400 5300 5400
Wire Wire Line
	3600 4550 3150 4550
$Comp
L power:GNDPWR #PWR?
U 1 1 742271BF
P 3150 4550
F 0 "#PWR?" H 3150 4350 50  0001 C CNN
F 1 "GNDPWR" H 3154 4396 50  0000 C CNN
F 2 "" H 3150 4500 50  0001 C CNN
F 3 "" H 3150 4500 50  0001 C CNN
	1    3150 4550
	1    0    0    -1  
$EndComp
Connection ~ 3150 4550
Text GLabel 900  2950 0    39   Input ~ 0
CGA[14..11]
Wire Bus Line
	900  2950 2150 2950
Entry Bus Bus
	2150 2950 2250 2850
Wire Bus Line
	4000 1350 4000 3850
Wire Bus Line
	1500 550  9350 550 
Wire Bus Line
	1400 650  1400 2350
Wire Bus Line
	2250 1350 2250 4100
$EndSCHEMATC