EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 3
Title "TashTwenty Tiny"
Date "2022-03-20"
Rev "1.0"
Comp "Lostwave"
Comment1 "https://68kmla.org"
Comment2 "https://68kmla.org/bb/index.php?threads/tashtwenty-single-chip-dcd-hard-disk-20-interface.39357/"
Comment3 "https://github.com/lampmerchant/tashtwenty"
Comment4 ""
$EndDescr
$Comp
L Regulator_Linear:MCP1700-3302E_TO92 U3
U 1 1 61A62B21
P 2250 1500
F 0 "U3" H 2250 1258 50  0000 C CNN
F 1 "MCP1700-3302E_TO92" H 2250 1349 50  0000 C CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 2250 1300 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001826D.pdf" H 2250 1500 50  0001 C CNN
	1    2250 1500
	-1   0    0    1   
$EndComp
$Comp
L Device:CP C2
U 1 1 61A6754A
P 3000 1750
F 0 "C2" H 3118 1796 50  0000 L CNN
F 1 "2.2uF" H 3118 1705 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D4.0mm_P1.50mm" H 3038 1600 50  0001 C CNN
F 3 "~" H 3000 1750 50  0001 C CNN
	1    3000 1750
	1    0    0    -1  
$EndComp
$Comp
L Device:CP C1
U 1 1 61A68F66
P 1500 1750
F 0 "C1" H 1618 1796 50  0000 L CNN
F 1 "2.2uF" H 1618 1705 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D4.0mm_P1.50mm" H 1538 1600 50  0001 C CNN
F 3 "~" H 1500 1750 50  0001 C CNN
	1    1500 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 1600 3000 1500
Wire Wire Line
	3000 1500 2550 1500
Wire Wire Line
	1500 1600 1500 1500
Wire Wire Line
	1500 1500 1950 1500
$Comp
L power:GND #PWR0110
U 1 1 61A69712
P 1500 2000
F 0 "#PWR0110" H 1500 1750 50  0001 C CNN
F 1 "GND" H 1505 1827 50  0000 C CNN
F 2 "" H 1500 2000 50  0001 C CNN
F 3 "" H 1500 2000 50  0001 C CNN
	1    1500 2000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 61A69A56
P 3000 2000
F 0 "#PWR0111" H 3000 1750 50  0001 C CNN
F 1 "GND" H 3005 1827 50  0000 C CNN
F 2 "" H 3000 2000 50  0001 C CNN
F 3 "" H 3000 2000 50  0001 C CNN
	1    3000 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 2000 3000 1900
Wire Wire Line
	1500 2000 1500 1900
$Comp
L power:GND #PWR0112
U 1 1 61A6A36E
P 2250 2000
F 0 "#PWR0112" H 2250 1750 50  0001 C CNN
F 1 "GND" H 2255 1827 50  0000 C CNN
F 2 "" H 2250 2000 50  0001 C CNN
F 3 "" H 2250 2000 50  0001 C CNN
	1    2250 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 2000 2250 1800
$Comp
L power:+3.3V #PWR0113
U 1 1 61A6AD3E
P 1500 1400
F 0 "#PWR0113" H 1500 1250 50  0001 C CNN
F 1 "+3.3V" H 1515 1573 50  0000 C CNN
F 2 "" H 1500 1400 50  0001 C CNN
F 3 "" H 1500 1400 50  0001 C CNN
	1    1500 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1500 1500 1500 1400
Connection ~ 1500 1500
Wire Wire Line
	3000 1500 3000 1400
Connection ~ 3000 1500
$Comp
L power:GND #PWR?
U 1 1 61A71C69
P 10500 1100
AR Path="/61A71C69" Ref="#PWR?"  Part="1" 
AR Path="/61A14260/61A71C69" Ref="#PWR0114"  Part="1" 
F 0 "#PWR0114" H 10500 850 50  0001 C CNN
F 1 "GND" H 10505 927 50  0000 C CNN
F 2 "" H 10500 1100 50  0001 C CNN
F 3 "" H 10500 1100 50  0001 C CNN
	1    10500 1100
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR?
U 1 1 61A71C6F
P 10000 1000
AR Path="/61A71C6F" Ref="#PWR?"  Part="1" 
AR Path="/61A14260/61A71C6F" Ref="#PWR0115"  Part="1" 
F 0 "#PWR0115" H 10000 850 50  0001 C CNN
F 1 "+12V" H 10015 1173 50  0000 C CNN
F 2 "" H 10000 1000 50  0001 C CNN
F 3 "" H 10000 1000 50  0001 C CNN
	1    10000 1000
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 61A71C75
P 9500 1000
AR Path="/61A71C75" Ref="#PWR?"  Part="1" 
AR Path="/61A14260/61A71C75" Ref="#PWR0116"  Part="1" 
F 0 "#PWR0116" H 9500 850 50  0001 C CNN
F 1 "+5V" H 9515 1173 50  0000 C CNN
F 2 "" H 9500 1000 50  0001 C CNN
F 3 "" H 9500 1000 50  0001 C CNN
	1    9500 1000
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG?
U 1 1 61A71C7B
P 10500 1000
AR Path="/61A71C7B" Ref="#FLG?"  Part="1" 
AR Path="/61A14260/61A71C7B" Ref="#FLG0104"  Part="1" 
F 0 "#FLG0104" H 10500 1075 50  0001 C CNN
F 1 "PWR_FLAG" H 10500 1173 50  0000 C CNN
F 2 "" H 10500 1000 50  0001 C CNN
F 3 "~" H 10500 1000 50  0001 C CNN
	1    10500 1000
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG?
U 1 1 61A71C81
P 10000 1100
AR Path="/61A71C81" Ref="#FLG?"  Part="1" 
AR Path="/61A14260/61A71C81" Ref="#FLG0105"  Part="1" 
F 0 "#FLG0105" H 10000 1175 50  0001 C CNN
F 1 "PWR_FLAG" H 10000 1273 50  0000 C CNN
F 2 "" H 10000 1100 50  0001 C CNN
F 3 "~" H 10000 1100 50  0001 C CNN
	1    10000 1100
	-1   0    0    1   
$EndComp
$Comp
L power:PWR_FLAG #FLG?
U 1 1 61A71C87
P 9500 1100
AR Path="/61A71C87" Ref="#FLG?"  Part="1" 
AR Path="/61A14260/61A71C87" Ref="#FLG0106"  Part="1" 
F 0 "#FLG0106" H 9500 1175 50  0001 C CNN
F 1 "PWR_FLAG" H 9500 1273 50  0000 C CNN
F 2 "" H 9500 1100 50  0001 C CNN
F 3 "~" H 9500 1100 50  0001 C CNN
	1    9500 1100
	-1   0    0    1   
$EndComp
Wire Wire Line
	9500 1100 9500 1000
Wire Wire Line
	10000 1100 10000 1000
Wire Wire Line
	10500 1100 10500 1000
$Comp
L power:+5V #PWR0118
U 1 1 61A740E2
P 3000 1400
F 0 "#PWR0118" H 3000 1250 50  0001 C CNN
F 1 "+5V" H 3015 1573 50  0000 C CNN
F 2 "" H 3000 1400 50  0001 C CNN
F 3 "" H 3000 1400 50  0001 C CNN
	1    3000 1400
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 61AA1BC9
P 4500 1750
F 0 "C4" H 4615 1796 50  0000 L CNN
F 1 "100nF" H 4615 1705 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm" H 4538 1600 50  0001 C CNN
F 3 "~" H 4500 1750 50  0001 C CNN
	1    4500 1750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0122
U 1 1 61AA230A
P 5200 2500
F 0 "#PWR0122" H 5200 2250 50  0001 C CNN
F 1 "GND" H 5205 2327 50  0000 C CNN
F 2 "" H 5200 2500 50  0001 C CNN
F 3 "" H 5200 2500 50  0001 C CNN
	1    5200 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 2500 5200 2350
Wire Wire Line
	4500 1900 4500 2350
Wire Wire Line
	4500 2350 5200 2350
Connection ~ 5200 2350
Wire Wire Line
	5200 2350 5200 2250
$Comp
L power:+5V #PWR0123
U 1 1 61AA3046
P 5200 1000
F 0 "#PWR0123" H 5200 850 50  0001 C CNN
F 1 "+5V" H 5215 1173 50  0000 C CNN
F 2 "" H 5200 1000 50  0001 C CNN
F 3 "" H 5200 1000 50  0001 C CNN
	1    5200 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 1600 4500 1150
Wire Wire Line
	4500 1150 5200 1150
Wire Wire Line
	5200 1150 5200 1000
Wire Wire Line
	5200 1250 5200 1150
Connection ~ 5200 1150
$Comp
L Connector_Generic:Conn_02x10_Odd_Even J2
U 1 1 61AFDBC1
P 6550 4950
F 0 "J2" H 6600 5567 50  0000 C CNN
F 1 "IDC20" H 6600 5476 50  0000 C CNN
F 2 "Connector_IDC:IDC-Header_2x10_P2.54mm_Vertical" H 6550 4950 50  0001 C CNN
F 3 "~" H 6550 4950 50  0001 C CNN
	1    6550 4950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0126
U 1 1 61AFE63B
P 5500 5550
F 0 "#PWR0126" H 5500 5300 50  0001 C CNN
F 1 "GND" H 5505 5377 50  0000 C CNN
F 2 "" H 5500 5550 50  0001 C CNN
F 3 "" H 5500 5550 50  0001 C CNN
	1    5500 5550
	1    0    0    -1  
$EndComp
Wire Wire Line
	5500 5550 5500 4850
Wire Wire Line
	5500 4550 6350 4550
Wire Wire Line
	6350 4650 5500 4650
Connection ~ 5500 4650
Wire Wire Line
	5500 4650 5500 4550
Wire Wire Line
	6350 4750 5500 4750
Connection ~ 5500 4750
Wire Wire Line
	5500 4750 5500 4650
Wire Wire Line
	6350 4850 5500 4850
Connection ~ 5500 4850
Wire Wire Line
	5500 4850 5500 4750
NoConn ~ 6350 4950
NoConn ~ 6850 5450
$Comp
L power:+5V #PWR0127
U 1 1 61B0125A
P 6000 5050
F 0 "#PWR0127" H 6000 4900 50  0001 C CNN
F 1 "+5V" V 6015 5178 50  0000 L CNN
F 2 "" H 6000 5050 50  0001 C CNN
F 3 "" H 6000 5050 50  0001 C CNN
	1    6000 5050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6000 5050 6350 5050
$Comp
L power:+12V #PWR0128
U 1 1 61B02C82
P 6000 5150
F 0 "#PWR0128" H 6000 5000 50  0001 C CNN
F 1 "+12V" V 6015 5278 50  0000 L CNN
F 2 "" H 6000 5150 50  0001 C CNN
F 3 "" H 6000 5150 50  0001 C CNN
	1    6000 5150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6000 5150 6100 5150
Wire Wire Line
	6350 5250 6100 5250
Wire Wire Line
	6100 5250 6100 5150
Connection ~ 6100 5150
Wire Wire Line
	6100 5150 6350 5150
Wire Wire Line
	6350 5350 6100 5350
Wire Wire Line
	6100 5350 6100 5250
Connection ~ 6100 5250
Wire Wire Line
	6350 5450 6100 5450
Wire Wire Line
	6100 5450 6100 5350
Connection ~ 6100 5350
Text GLabel 7000 4550 2    50   Output ~ 0
PH0
Text GLabel 7000 4650 2    50   Output ~ 0
PH1
Text GLabel 7000 4750 2    50   Output ~ 0
PH2
Text GLabel 7000 4850 2    50   Output ~ 0
PH3
Wire Wire Line
	6850 4550 7000 4550
Wire Wire Line
	6850 4650 7000 4650
Wire Wire Line
	6850 4750 7000 4750
Wire Wire Line
	6850 4850 7000 4850
NoConn ~ 6850 4950
NoConn ~ 6850 5050
Text GLabel 7000 5250 2    50   Output ~ 0
RD
Text GLabel 7000 5350 2    50   Output ~ 0
WR
Wire Wire Line
	6850 5250 7000 5250
Wire Wire Line
	6850 5350 7000 5350
Text GLabel 8000 5150 2    50   Output ~ 0
~ENABLE
$Comp
L Connector_Generic:Conn_01x02 J3
U 1 1 61A1A4B6
P 7700 4750
F 0 "J3" V 7664 4562 50  0000 R CNN
F 1 "Conn_01x02" V 7573 4562 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 7700 4750 50  0001 C CNN
F 3 "~" H 7700 4750 50  0001 C CNN
	1    7700 4750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7700 5150 7700 4950
Wire Wire Line
	6850 5150 7700 5150
Wire Wire Line
	7800 4950 7800 5150
Wire Wire Line
	7800 5150 8000 5150
$Comp
L Mechanical:MountingHole H1
U 1 1 61A418A3
P 1500 6000
F 0 "H1" H 1600 6046 50  0000 L CNN
F 1 "M3" H 1600 5955 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 1500 6000 50  0001 C CNN
F 3 "~" H 1500 6000 50  0001 C CNN
	1    1500 6000
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H3
U 1 1 61A44BCB
P 2000 6000
F 0 "H3" H 2100 6046 50  0000 L CNN
F 1 "M3" H 2100 5955 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 2000 6000 50  0001 C CNN
F 3 "~" H 2000 6000 50  0001 C CNN
	1    2000 6000
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H2
U 1 1 61A45CB6
P 1500 6500
F 0 "H2" H 1600 6546 50  0000 L CNN
F 1 "M3" H 1600 6455 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 1500 6500 50  0001 C CNN
F 3 "~" H 1500 6500 50  0001 C CNN
	1    1500 6500
	1    0    0    -1  
$EndComp
Wire Notes Line
	1000 5500 1000 7000
Wire Notes Line
	1000 7000 2500 7000
Wire Notes Line
	2500 7000 2500 5500
Wire Notes Line
	2500 5500 1000 5500
Text Notes 1150 6850 0    50   ~ 0
Mounting holes
$Comp
L 74xx:74LS08 U2
U 5 1 61A9B43E
P 5200 1750
F 0 "U2" H 5430 1796 50  0000 L CNN
F 1 "74ACT08" H 5430 1705 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5200 1750 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 5200 1750 50  0001 C CNN
	5    5200 1750
	1    0    0    -1  
$EndComp
$EndSCHEMATC