EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr USLetter 11000 8500 encoding utf-8 Sheet 1 1 Title "GR8RAM" Date "2019-10-13" Rev "0.9" Comp "Garrett's Workshop" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L power:+5V #PWR0120 U 1 1 607FA428 P 1050 5000 F 0 "#PWR0120" H 1050 4850 50 0001 C CNN F 1 "+5V" H 1050 5150 50 0000 C CNN F 2 "" H 1050 5000 50 0001 C CNN F 3 "" H 1050 5000 50 0001 C CNN 1 1050 5000 1 0 0 -1 $EndComp Connection ~ 1450 5000 Wire Wire Line 1450 5000 1850 5000 Wire Wire Line 1450 5200 1850 5200 Wire Wire Line 1050 5200 1450 5200 Connection ~ 1450 5200 Wire Wire Line 1450 5000 1050 5000 Connection ~ 1850 5000 Wire Wire Line 1850 5000 2250 5000 Connection ~ 1850 5200 Wire Wire Line 1850 5200 2250 5200 Connection ~ 1050 5000 Wire Wire Line 2000 6450 1700 6450 Connection ~ 2000 6450 Wire Wire Line 1700 6450 1400 6450 Connection ~ 1700 6450 Wire Wire Line 1400 6450 1100 6450 Connection ~ 1400 6450 Connection ~ 2300 6450 Wire Wire Line 2300 6450 2000 6450 $Comp L power:GND #PWR0132 U 1 1 607FA437 P 2300 6450 F 0 "#PWR0132" H 2300 6200 50 0001 C CNN F 1 "GND" H 2305 6277 50 0000 C CNN F 2 "" H 2300 6450 50 0001 C CNN F 3 "" H 2300 6450 50 0001 C CNN 1 2300 6450 1 0 0 -1 $EndComp $Comp L power:+12V #PWR0128 U 1 1 5E875A47 P 650 5000 F 0 "#PWR0128" H 650 4850 50 0001 C CNN F 1 "+12V" H 650 5150 50 0000 C CNN F 2 "" H 650 5000 50 0001 C CNN F 3 "" H 650 5000 50 0001 C CNN 1 650 5000 -1 0 0 -1 $EndComp Wire Wire Line 1250 4750 1150 4750 $Comp L power:GND #PWR0110 U 1 1 5D1550D4 P 2650 5200 F 0 "#PWR0110" H 2650 4950 50 0001 C CNN F 1 "GND" H 2650 5050 50 0000 C CNN F 2 "" H 2650 5200 50 0001 C CNN F 3 "" H 2650 5200 50 0001 C CNN 1 2650 5200 1 0 0 -1 $EndComp Connection ~ 2250 5200 Wire Wire Line 650 5200 1050 5200 Connection ~ 1050 5200 Wire Wire Line 2250 5000 2650 5000 Wire Wire Line 2250 5200 2650 5200 Connection ~ 2650 5200 $Comp L Device:C_Small C6 U 1 1 5E988E8B P 2650 5100 F 0 "C6" H 2700 5150 50 0000 L CNN F 1 "2u2" H 2700 5050 50 0000 L CNN F 2 "stdpads:C_0603" H 2650 5100 50 0001 C CNN F 3 "~" H 2650 5100 50 0001 C CNN 1 2650 5100 1 0 0 -1 $EndComp $Comp L Mechanical:Fiducial FID5 U 1 1 5D3223BF P 1900 1000 F 0 "FID5" H 1985 1046 50 0000 L CNN F 1 "Fiducial" H 1985 955 50 0000 L CNN F 2 "stdpads:Fiducial" H 1900 1000 50 0001 C CNN F 3 "~" H 1900 1000 50 0001 C CNN 1 1900 1000 1 0 0 -1 $EndComp $Comp L Mechanical:Fiducial FID4 U 1 1 5D322056 P 1300 1000 F 0 "FID4" H 1385 1046 50 0000 L CNN F 1 "Fiducial" H 1385 955 50 0000 L CNN F 2 "stdpads:Fiducial" H 1300 1000 50 0001 C CNN F 3 "~" H 1300 1000 50 0001 C CNN 1 1300 1000 1 0 0 -1 $EndComp $Comp L Mechanical:Fiducial FID3 U 1 1 5D321DA8 P 1300 800 F 0 "FID3" H 1385 846 50 0000 L CNN F 1 "Fiducial" H 1385 755 50 0000 L CNN F 2 "stdpads:Fiducial" H 1300 800 50 0001 C CNN F 3 "~" H 1300 800 50 0001 C CNN 1 1300 800 1 0 0 -1 $EndComp $Comp L Mechanical:Fiducial FID2 U 1 1 5D321D2B P 700 1000 F 0 "FID2" H 785 1046 50 0000 L CNN F 1 "Fiducial" H 785 955 50 0000 L CNN F 2 "stdpads:Fiducial" H 700 1000 50 0001 C CNN F 3 "~" H 700 1000 50 0001 C CNN 1 700 1000 1 0 0 -1 $EndComp $Comp L Mechanical:Fiducial FID1 U 1 1 5D319AED P 700 800 F 0 "FID1" H 785 846 50 0000 L CNN F 1 "Fiducial" H 785 755 50 0000 L CNN F 2 "stdpads:Fiducial" H 700 800 50 0001 C CNN F 3 "~" H 700 800 50 0001 C CNN 1 700 800 1 0 0 -1 $EndComp $Comp L Device:C_Small C5 U 1 1 5E8640A9 P 650 5100 F 0 "C5" H 700 5150 50 0000 L CNN F 1 "2u2" H 700 5050 50 0000 L CNN F 2 "stdpads:C_0805" H 650 5100 50 0001 C CNN F 3 "~" H 650 5100 50 0001 C CNN 1 650 5100 1 0 0 -1 $EndComp $Comp L Mechanical:MountingHole_Pad H1 U 1 1 607FA433 P 1100 6350 F 0 "H1" H 1200 6401 50 0000 L CNN F 1 " " H 1200 6310 50 0000 L CNN F 2 "stdpads:PasteHole_1.1mm_PTH" H 1100 6350 50 0001 C CNN F 3 "~" H 1100 6350 50 0001 C CNN 1 1100 6350 1 0 0 -1 $EndComp $Comp L Mechanical:MountingHole_Pad H2 U 1 1 607FA434 P 1400 6350 F 0 "H2" H 1500 6401 50 0000 L CNN F 1 " " H 1500 6310 50 0000 L CNN F 2 "stdpads:PasteHole_1.1mm_PTH" H 1400 6350 50 0001 C CNN F 3 "~" H 1400 6350 50 0001 C CNN 1 1400 6350 1 0 0 -1 $EndComp $Comp L Mechanical:MountingHole_Pad H3 U 1 1 607FA435 P 1700 6350 F 0 "H3" H 1800 6401 50 0000 L CNN F 1 " " H 1800 6310 50 0000 L CNN F 2 "stdpads:PasteHole_1.1mm_PTH" H 1700 6350 50 0001 C CNN F 3 "~" H 1700 6350 50 0001 C CNN 1 1700 6350 1 0 0 -1 $EndComp $Comp L Mechanical:MountingHole_Pad H4 U 1 1 5CC7E0C0 P 2000 6350 F 0 "H4" H 2100 6401 50 0000 L CNN F 1 " " H 2100 6310 50 0000 L CNN F 2 "stdpads:PasteHole_1.1mm_PTH" H 2000 6350 50 0001 C CNN F 3 "~" H 2000 6350 50 0001 C CNN 1 2000 6350 1 0 0 -1 $EndComp $Comp L Mechanical:MountingHole_Pad H5 U 1 1 5CC871F0 P 2300 6350 F 0 "H5" H 2400 6401 50 0000 L CNN F 1 " " H 2400 6310 50 0000 L CNN F 2 "stdpads:PasteHole_1.1mm_PTH" H 2300 6350 50 0001 C CNN F 3 "~" H 2300 6350 50 0001 C CNN 1 2300 6350 1 0 0 -1 $EndComp $Comp L Device:C_Small C2 U 1 1 5D14D1B0 P 1450 5100 F 0 "C2" H 1500 5150 50 0000 L CNN F 1 "2u2" H 1500 5050 50 0000 L CNN F 2 "stdpads:C_0603" H 1450 5100 50 0001 C CNN F 3 "~" H 1450 5100 50 0001 C CNN 1 1450 5100 1 0 0 -1 $EndComp $Comp L Device:C_Small C3 U 1 1 5D14D1AA P 1850 5100 F 0 "C3" H 1900 5150 50 0000 L CNN F 1 "2u2" H 1900 5050 50 0000 L CNN F 2 "stdpads:C_0603" H 1850 5100 50 0001 C CNN F 3 "~" H 1850 5100 50 0001 C CNN 1 1850 5100 1 0 0 -1 $EndComp $Comp L Device:C_Small C1 U 1 1 5D136B08 P 1050 5100 F 0 "C1" H 1100 5150 50 0000 L CNN F 1 "2u2" H 1100 5050 50 0000 L CNN F 2 "stdpads:C_0805" H 1050 5100 50 0001 C CNN F 3 "~" H 1050 5100 50 0001 C CNN 1 1050 5100 1 0 0 -1 $EndComp $Comp L Device:C_Small C4 U 1 1 607FA429 P 2250 5100 F 0 "C4" H 2300 5150 50 0000 L CNN F 1 "2u2" H 2300 5050 50 0000 L CNN F 2 "stdpads:C_0603" H 2250 5100 50 0001 C CNN F 3 "~" H 2250 5100 50 0001 C CNN 1 2250 5100 1 0 0 -1 $EndComp $Comp L 74xx:74LS04 U5 U 7 1 61D05E00 P 2700 1500 F 0 "U5" H 2650 1500 50 0000 C CNN F 1 "74LS04" H 2700 1700 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 2700 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 2700 1500 50 0001 C CNN 7 2700 1500 1 0 0 -1 $EndComp $Comp L 74xx:74LS08 U6 U 5 1 61D062D6 P 3100 1500 F 0 "U6" H 3100 1500 50 0000 C CNN F 1 "74LS08" H 3100 1700 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 3100 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 3100 1500 50 0001 C CNN 5 3100 1500 1 0 0 -1 $EndComp $Comp L 74xx:74LS08 U7 U 5 1 61D074CA P 3500 1500 F 0 "U7" H 3500 1500 50 0000 C CNN F 1 "74LS08" H 3500 1700 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 3500 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 3500 1500 50 0001 C CNN 5 3500 1500 1 0 0 -1 $EndComp $Comp L 74xx:74LS08 U8 U 5 1 61D08FB5 P 3900 1500 F 0 "U8" H 3900 1500 50 0000 C CNN F 1 "74LS08" H 3900 1700 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 3900 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 3900 1500 50 0001 C CNN 5 3900 1500 1 0 0 -1 $EndComp $Comp L 74xx:74LS08 U9 U 5 1 61D098B2 P 4300 1500 F 0 "U9" H 4300 1500 50 0000 C CNN F 1 "74LS08" H 4300 1700 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 4300 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 4300 1500 50 0001 C CNN 5 4300 1500 1 0 0 -1 $EndComp $Comp L 74xx:74LS32 U10 U 5 1 61D0A2BD P 4700 1500 F 0 "U10" H 4700 1500 50 0000 C CNN F 1 "74LS32" H 4700 1700 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 4700 1500 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 4700 1500 50 0001 C CNN 5 4700 1500 1 0 0 -1 $EndComp $Comp L power:GND #PWR0114 U 1 1 61D23C58 P 4700 2000 F 0 "#PWR0114" H 4700 1750 50 0001 C CNN F 1 "GND" H 4700 1850 50 0000 C CNN F 2 "" H 4700 2000 50 0001 C CNN F 3 "" H 4700 2000 50 0001 C CNN 1 4700 2000 1 0 0 -1 $EndComp Wire Wire Line 4700 2000 4300 2000 Connection ~ 4700 2000 Connection ~ 3100 2000 Wire Wire Line 3100 2000 2700 2000 Connection ~ 3500 2000 Wire Wire Line 3500 2000 3100 2000 Connection ~ 3900 2000 Wire Wire Line 3900 2000 3500 2000 Connection ~ 4300 2000 Wire Wire Line 4300 2000 3900 2000 $Comp L power:+5V #PWR0117 U 1 1 61D2AFA0 P 2700 1000 F 0 "#PWR0117" H 2700 850 50 0001 C CNN F 1 "+5V" H 2700 1150 50 0000 C CNN F 2 "" H 2700 1000 50 0001 C CNN F 3 "" H 2700 1000 50 0001 C CNN 1 2700 1000 1 0 0 -1 $EndComp Wire Wire Line 2700 1000 3100 1000 Connection ~ 2700 1000 Connection ~ 3100 1000 Wire Wire Line 3100 1000 3500 1000 Connection ~ 3500 1000 Wire Wire Line 3500 1000 3900 1000 Connection ~ 3900 1000 Wire Wire Line 3900 1000 4300 1000 Connection ~ 4300 1000 Wire Wire Line 4300 1000 4700 1000 Connection ~ 1450 5400 Wire Wire Line 1450 5400 1850 5400 Wire Wire Line 1450 5600 1850 5600 Wire Wire Line 1050 5600 1450 5600 Connection ~ 1450 5600 Wire Wire Line 1450 5400 1050 5400 Connection ~ 1850 5400 Wire Wire Line 1850 5400 2250 5400 Connection ~ 1850 5600 Wire Wire Line 1850 5600 2250 5600 $Comp L power:GND #PWR0121 U 1 1 61D3AE8C P 2650 5600 F 0 "#PWR0121" H 2650 5350 50 0001 C CNN F 1 "GND" H 2650 5450 50 0000 C CNN F 2 "" H 2650 5600 50 0001 C CNN F 3 "" H 2650 5600 50 0001 C CNN 1 2650 5600 1 0 0 -1 $EndComp Connection ~ 2250 5600 Wire Wire Line 2250 5400 2650 5400 Wire Wire Line 2250 5600 2650 5600 Connection ~ 2650 5600 $Comp L Device:C_Small C11 U 1 1 61D3AE96 P 2650 5500 F 0 "C11" H 2700 5550 50 0000 L CNN F 1 "2u2" H 2700 5450 50 0000 L CNN F 2 "stdpads:C_0603" H 2650 5500 50 0001 C CNN F 3 "~" H 2650 5500 50 0001 C CNN 1 2650 5500 1 0 0 -1 $EndComp $Comp L Device:C_Small C8 U 1 1 61D3AE9C P 1450 5500 F 0 "C8" H 1500 5550 50 0000 L CNN F 1 "2u2" H 1500 5450 50 0000 L CNN F 2 "stdpads:C_0603" H 1450 5500 50 0001 C CNN F 3 "~" H 1450 5500 50 0001 C CNN 1 1450 5500 1 0 0 -1 $EndComp $Comp L Device:C_Small C9 U 1 1 61D3AEA2 P 1850 5500 F 0 "C9" H 1900 5550 50 0000 L CNN F 1 "2u2" H 1900 5450 50 0000 L CNN F 2 "stdpads:C_0603" H 1850 5500 50 0001 C CNN F 3 "~" H 1850 5500 50 0001 C CNN 1 1850 5500 1 0 0 -1 $EndComp $Comp L Device:C_Small C10 U 1 1 61D3AEA8 P 2250 5500 F 0 "C10" H 2300 5550 50 0000 L CNN F 1 "2u2" H 2300 5450 50 0000 L CNN F 2 "stdpads:C_0603" H 2250 5500 50 0001 C CNN F 3 "~" H 2250 5500 50 0001 C CNN 1 2250 5500 1 0 0 -1 $EndComp Connection ~ 2250 5400 Connection ~ 2250 5000 $Comp L power:+5V #PWR0122 U 1 1 61D59AAD P 1050 5400 F 0 "#PWR0122" H 1050 5250 50 0001 C CNN F 1 "+5V" H 1050 5550 50 0000 C CNN F 2 "" H 1050 5400 50 0001 C CNN F 3 "" H 1050 5400 50 0001 C CNN 1 1050 5400 1 0 0 -1 $EndComp $Comp L power:+5V #PWR0123 U 1 1 61D5A2AE P 1050 5800 F 0 "#PWR0123" H 1050 5650 50 0001 C CNN F 1 "+5V" H 1050 5950 50 0000 C CNN F 2 "" H 1050 5800 50 0001 C CNN F 3 "" H 1050 5800 50 0001 C CNN 1 1050 5800 1 0 0 -1 $EndComp $Comp L Device:C_Small C7 U 1 1 61D5AB0B P 1050 5500 F 0 "C7" H 1100 5550 50 0000 L CNN F 1 "2u2" H 1100 5450 50 0000 L CNN F 2 "stdpads:C_0603" H 1050 5500 50 0001 C CNN F 3 "~" H 1050 5500 50 0001 C CNN 1 1050 5500 1 0 0 -1 $EndComp Connection ~ 1050 5400 $Comp L Device:C_Small C12 U 1 1 61D5AE36 P 1050 5900 F 0 "C12" H 1100 5950 50 0000 L CNN F 1 "2u2" H 1100 5850 50 0000 L CNN F 2 "stdpads:C_0603" H 1050 5900 50 0001 C CNN F 3 "~" H 1050 5900 50 0001 C CNN 1 1050 5900 1 0 0 -1 $EndComp $Comp L power:GND #PWR0124 U 1 1 61D4A316 P 2650 6000 F 0 "#PWR0124" H 2650 5750 50 0001 C CNN F 1 "GND" H 2650 5850 50 0000 C CNN F 2 "" H 2650 6000 50 0001 C CNN F 3 "" H 2650 6000 50 0001 C CNN 1 2650 6000 1 0 0 -1 $EndComp Wire Wire Line 2250 5800 2650 5800 Connection ~ 2650 6000 $Comp L Device:C_Small C16 U 1 1 61D4A320 P 2650 5900 F 0 "C16" H 2700 5950 50 0000 L CNN F 1 "2u2" H 2700 5850 50 0000 L CNN F 2 "stdpads:C_0603" H 2650 5900 50 0001 C CNN F 3 "~" H 2650 5900 50 0001 C CNN 1 2650 5900 1 0 0 -1 $EndComp Wire Wire Line 2250 6000 2650 6000 Connection ~ 2250 6000 $Comp L Device:C_Small C15 U 1 1 61D4A332 P 2250 5900 F 0 "C15" H 2300 5950 50 0000 L CNN F 1 "2u2" H 2300 5850 50 0000 L CNN F 2 "stdpads:C_0603" H 2250 5900 50 0001 C CNN F 3 "~" H 2250 5900 50 0001 C CNN 1 2250 5900 1 0 0 -1 $EndComp Connection ~ 2250 5800 Connection ~ 1050 5800 Wire Wire Line 1050 6000 1450 6000 Connection ~ 1450 6000 Wire Wire Line 1450 5800 1050 5800 Connection ~ 1450 5800 $Comp L Device:C_Small C13 U 1 1 61D4A326 P 1450 5900 F 0 "C13" H 1500 5950 50 0000 L CNN F 1 "2u2" H 1500 5850 50 0000 L CNN F 2 "stdpads:C_0603" H 1450 5900 50 0001 C CNN F 3 "~" H 1450 5900 50 0001 C CNN 1 1450 5900 1 0 0 -1 $EndComp Wire Wire Line 1450 6000 1850 6000 Wire Wire Line 1850 6000 2250 6000 Connection ~ 1850 6000 Wire Wire Line 1450 5800 1850 5800 Wire Wire Line 1850 5800 2250 5800 Connection ~ 1850 5800 $Comp L Device:C_Small C14 U 1 1 61D4A32C P 1850 5900 F 0 "C14" H 1900 5950 50 0000 L CNN F 1 "2u2" H 1900 5850 50 0000 L CNN F 2 "stdpads:C_0603" H 1850 5900 50 0001 C CNN F 3 "~" H 1850 5900 50 0001 C CNN 1 1850 5900 1 0 0 -1 $EndComp Entry Wire Line 4750 3550 4650 3650 Text Label 4450 3650 0 50 ~ 0 A13 Text Label 4450 4150 0 50 ~ 0 A7 Text Label 4450 3050 0 50 ~ 0 A4 Wire Wire Line 4450 3050 4650 3050 Text Label 4450 3150 0 50 ~ 0 A5 Wire Wire Line 4450 3350 4650 3350 Text Label 4450 2850 0 50 ~ 0 A9 Text Label 4450 2950 0 50 ~ 0 A8 Wire Wire Line 4450 2850 4650 2850 Wire Wire Line 4450 2950 4650 2950 $Comp L Connector_Generic:Conn_02x25_Counter_Clockwise J1 U 1 1 5CFC517D P 1250 3000 F 0 "J1" H 1300 1575 50 0000 C CNN F 1 "AppleIIBus" H 1300 1666 50 0000 C CNN F 2 "stdpads:AppleIIBus_Edge" H 1250 3000 50 0001 C CNN F 3 "~" H 1250 3000 50 0001 C CNN 1 1250 3000 -1 0 0 1 $EndComp $Comp L 74xx:74HC245 U2 U 1 1 5DE36B22 P 2550 3350 F 0 "U2" H 2550 3550 50 0000 C CNN F 1 "74HCT245" H 2550 3050 50 0000 C CNN F 2 "stdpads:TSSOP-20_4.4x6.5mm_P0.65mm" H 2550 3350 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74HC245" H 2550 3350 50 0001 C CNN 1 2550 3350 -1 0 0 -1 $EndComp $Comp L GW_RAM:SRAM-128Kx8-TSOP1-32 U1 U 1 1 61C2B655 P 4050 3450 F 0 "U1" H 4050 4517 50 0000 C CNN F 1 "621024" H 4050 4426 50 0000 C CNN F 2 "stdpads:TSOP-I-32_18.4x8mm_P0.5mm" H 4050 3450 50 0001 C CNN F 3 "http://www.futurlec.com/Datasheet/Memory/628128.pdf" H 4050 3450 50 0001 C CNN 1 4050 3450 -1 0 0 -1 $EndComp Connection ~ 3650 4250 Text Label 4450 3950 0 50 ~ 0 A3 Text Label 4450 3350 0 50 ~ 0 A6 Text Label 4650 3850 2 50 ~ 0 RA14 Text Label 4650 3250 2 50 ~ 0 RA12 Text Label 4650 4050 2 50 ~ 0 RA15 Text Label 4650 4250 2 50 ~ 0 RA16 Text Label 3650 2850 2 50 ~ 0 RD4 Text Label 3650 2950 2 50 ~ 0 RD5 Text Label 3650 3050 2 50 ~ 0 RD6 Text Label 3650 3150 2 50 ~ 0 RD7 Wire Bus Line 1750 2300 4750 2300 Entry Wire Line 4750 3250 4650 3350 Entry Wire Line 4750 3350 4650 3450 Entry Wire Line 4750 3450 4650 3550 Entry Wire Line 4750 2650 4650 2750 Entry Wire Line 4750 2750 4650 2850 Entry Wire Line 4750 2850 4650 2950 Entry Wire Line 4750 2950 4650 3050 Entry Wire Line 4750 3050 4650 3150 Entry Wire Line 4750 2550 4650 2650 Wire Wire Line 3650 4050 3650 4250 Text Label 3650 3950 2 50 ~ 0 R~WE~ Wire Wire Line 3150 3950 3650 3950 Wire Wire Line 3350 3700 3350 3850 $Comp L power:+5V #PWR0111 U 1 1 5E1C7A4E P 3350 3700 F 0 "#PWR0111" H 3350 3550 50 0001 C CNN F 1 "+5V" H 3350 3850 50 0000 C CNN F 2 "" H 3350 3700 50 0001 C CNN F 3 "" H 3350 3700 50 0001 C CNN 1 3350 3700 1 0 0 -1 $EndComp Wire Wire Line 3250 3750 3650 3750 Wire Wire Line 3650 3850 3350 3850 Wire Wire Line 3050 3850 3250 3850 Wire Wire Line 3250 3850 3250 3750 Wire Wire Line 3150 3750 3150 3950 Text Label 3650 3750 2 50 ~ 0 R~CS~ Text Label 3050 3750 0 50 ~ 0 R~W~ Wire Wire Line 3050 3750 3150 3750 Wire Wire Line 3250 3050 3050 3050 Wire Wire Line 3250 3150 3050 3150 Entry Wire Line 3250 3450 3350 3350 Entry Wire Line 3250 3550 3350 3450 Entry Wire Line 4750 4050 4650 4150 Entry Wire Line 4750 3850 4650 3950 Entry Wire Line 4750 3650 4650 3750 Wire Wire Line 4450 3850 4650 3850 Wire Wire Line 4450 3950 4650 3950 Wire Wire Line 4450 4050 4650 4050 Wire Wire Line 4450 4150 4650 4150 Wire Wire Line 4450 4250 4650 4250 Wire Wire Line 4450 2650 4650 2650 Wire Wire Line 4450 2750 4650 2750 Wire Wire Line 4450 3150 4650 3150 Wire Wire Line 4450 3250 4650 3250 Wire Wire Line 4450 3650 4650 3650 Wire Wire Line 4450 3450 4650 3450 Wire Wire Line 4450 3550 4650 3550 Wire Wire Line 4450 3750 4650 3750 Text Label 4450 3750 0 50 ~ 0 A0 Text Label 4450 3550 0 50 ~ 0 A1 Text Label 4450 3450 0 50 ~ 0 A2 Text Label 4450 2750 0 50 ~ 0 A10 Text Label 4450 2650 0 50 ~ 0 A11 Entry Wire Line 3250 2850 3350 2750 $Comp L power:GND #PWR0107 U 1 1 5DE887B9 P 3650 4250 F 0 "#PWR0107" H 3650 4000 50 0001 C CNN F 1 "GND" H 3650 4100 50 0000 C CNN F 2 "" H 3650 4250 50 0001 C CNN F 3 "" H 3650 4250 50 0001 C CNN 1 3650 4250 1 0 0 -1 $EndComp $Comp L power:+5V #PWR0106 U 1 1 5DE88183 P 3650 2650 F 0 "#PWR0106" H 3650 2500 50 0001 C CNN F 1 "+5V" H 3650 2800 50 0000 C CNN F 2 "" H 3650 2650 50 0001 C CNN F 3 "" H 3650 2650 50 0001 C CNN 1 3650 2650 1 0 0 -1 $EndComp Entry Wire Line 3350 3450 3450 3550 Entry Wire Line 3350 3350 3450 3450 Entry Wire Line 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5850 Wire Wire Line 4900 5850 4900 5950 $Comp L power:GND #PWR0112 U 1 1 5FB6A7F4 P 4800 5550 F 0 "#PWR0112" H 4800 5300 50 0001 C CNN F 1 "GND" H 4800 5400 50 0000 C CNN F 2 "" H 4800 5550 50 0001 C CNN F 3 "" H 4800 5550 50 0001 C CNN 1 4800 5550 1 0 0 -1 $EndComp Wire Wire Line 4800 5550 4900 5550 Connection ~ 4900 5550 $Comp L power:GND #PWR0125 U 1 1 5FB82124 P 8500 2500 F 0 "#PWR0125" H 8500 2250 50 0001 C CNN F 1 "GND" H 8500 2350 50 0000 C CNN F 2 "" H 8500 2500 50 0001 C CNN F 3 "" H 8500 2500 50 0001 C CNN 1 8500 2500 1 0 0 -1 $EndComp Wire Wire Line 8650 2600 8600 2600 Wire Wire Line 8650 2800 8600 2800 Wire Wire Line 8600 2800 8600 2700 Connection ~ 8600 2600 Wire Wire Line 8650 2700 8600 2700 Connection ~ 8600 2700 Wire Wire Line 8600 2700 8600 2600 Wire Wire Line 8500 2500 8600 2500 $Comp L 74xx:74LS08 U8 U 2 1 61A46228 P 7350 3700 F 0 "U8" H 7350 3700 50 0000 C CNN F 1 "74LS08" H 7350 3900 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 7350 3700 50 0001 C CNN F 3 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10100 3900 F 0 "U7" H 10100 3900 50 0000 C CNN F 1 "74LS08" H 10100 4100 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 10100 3900 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 10100 3900 50 0001 C CNN 3 10100 3900 1 0 0 -1 $EndComp $Comp L 74xx:74LS08 U7 U 4 1 5FD11853 P 10100 4300 F 0 "U7" H 10100 4300 50 0000 C CNN F 1 "74LS08" H 10100 4500 50 0000 C CNN F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 10100 4300 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 10100 4300 50 0001 C CNN 4 10100 4300 1 0 0 -1 $EndComp $Comp L power:GND #PWR0127 U 1 1 5FD15737 P 9800 4400 F 0 "#PWR0127" H 9800 4150 50 0001 C CNN F 1 "GND" H 9800 4250 50 0000 C CNN F 2 "" H 9800 4400 50 0001 C CNN F 3 "" H 9800 4400 50 0001 C CNN 1 9800 4400 1 0 0 -1 $EndComp Wire Wire Line 9800 4400 9800 4200 Connection ~ 9800 4400 Connection ~ 9800 3600 Wire Wire Line 9800 3600 9800 3400 Connection ~ 9800 3800 Wire Wire Line 9800 3800 9800 3600 Connection ~ 9800 4000 Wire Wire Line 9800 4000 9800 3800 Connection ~ 9800 4200 Wire Wire Line 9800 4200 9800 4000 NoConn ~ 10400 3500 NoConn ~ 10400 3900 NoConn ~ 10400 4300 Wire Wire Line 8250 2400 8250 2500 Wire Wire Line 8650 2500 8600 2500 Wire Wire Line 8600 2500 8600 2600 Connection ~ 8600 2500 NoConn ~ 9650 2500 NoConn ~ 9650 2600 NoConn ~ 9650 2700 NoConn ~ 9650 2800 Wire Wire Line 8250 2100 8250 2200 Text Label 8650 2100 2 50 ~ 0 A3 Wire Bus Line 3350 2750 3350 3450 Wire Bus Line 650 3500 650 4450 Wire Bus Line 1850 2950 1850 4450 Wire Bus Line 4750 2300 4750 4150 Wire Bus Line 1750 2300 1750 4000 $EndSCHEMATC