EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A3 16535 11693 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Connector_Generic:Conn_01x40 J1 U 1 1 5D4D81A3 P 950 2900 F 0 "J1" H 868 5017 50 0000 C CNN F 1 "Conn_01x40" H 868 4926 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_Horizontal" H 950 2900 50 0001 C CNN F 3 "~" H 950 2900 50 0001 C CNN 1 950 2900 -1 0 0 -1 $EndComp Text GLabel 1150 1800 2 50 Output ~ 0 A7 Text GLabel 1150 1900 2 50 Output ~ 0 A6 Text GLabel 1150 2000 2 50 Output ~ 0 A5 Text GLabel 1150 2100 2 50 Output ~ 0 A4 Text GLabel 1150 2200 2 50 Output ~ 0 A3 Text GLabel 1150 2300 2 50 Output ~ 0 A2 Text GLabel 1150 2400 2 50 Output ~ 0 A1 Text GLabel 1150 2500 2 50 Output ~ 0 A0 Text GLabel 1150 2600 2 50 Output ~ 0 GND Text GLabel 1150 2700 2 50 Output ~ 0 VCC Text GLabel 1150 3100 2 50 Output ~ 0 INT Text GLabel 1150 3300 2 50 Output ~ 0 WR Text GLabel 1150 3400 2 50 Output ~ 0 RD Text GLabel 1150 3500 2 50 Output ~ 0 IORQ Text GLabel 1150 3600 2 50 3State ~ 0 D0 Text GLabel 1150 3700 2 50 3State ~ 0 D1 Text GLabel 1150 3800 2 50 3State ~ 0 D2 Text GLabel 1150 3900 2 50 3State ~ 0 D3 Text GLabel 1150 4000 2 50 3State ~ 0 D4 Text GLabel 1150 4100 2 50 3State ~ 0 D5 Text GLabel 1150 4200 2 50 3State ~ 0 D6 Text GLabel 1150 4300 2 50 3State ~ 0 D7 $Comp L Device:C C1 U 1 1 5D57E02E P 10850 8700 F 0 "C1" H 10965 8746 50 0000 L CNN F 1 "0.1uF" H 10965 8655 50 0000 L CNN F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 10888 8550 50 0001 C CNN F 3 "~" H 10850 8700 50 0001 C CNN 1 10850 8700 1 0 0 -1 $EndComp $Comp L Device:C C2 U 1 1 5D57E8D5 P 11300 8700 F 0 "C2" H 11415 8746 50 0000 L CNN F 1 "0.1uF" H 11415 8655 50 0000 L CNN F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 11338 8550 50 0001 C CNN F 3 "~" H 11300 8700 50 0001 C CNN 1 11300 8700 1 0 0 -1 $EndComp $Comp L power:GND #PWR0105 U 1 1 5D580F42 P 10850 9050 F 0 "#PWR0105" H 10850 8800 50 0001 C CNN F 1 "GND" H 10855 8877 50 0000 C CNN F 2 "" H 10850 9050 50 0001 C CNN F 3 "" H 10850 9050 50 0001 C CNN 1 10850 9050 1 0 0 -1 $EndComp $Comp L power:PWR_FLAG #FLG0101 U 1 1 5D5820E1 P 11300 8550 F 0 "#FLG0101" H 11300 8625 50 0001 C CNN F 1 "PWR_FLAG" H 11300 8723 50 0000 C CNN F 2 "" H 11300 8550 50 0001 C CNN F 3 "~" H 11300 8550 50 0001 C CNN 1 11300 8550 1 0 0 -1 $EndComp Connection ~ 11300 8550 Connection ~ 10850 8850 Connection ~ 10850 8550 Wire Wire Line 10850 8850 11300 8850 Text GLabel 10650 8550 0 50 Input ~ 0 VCC Text GLabel 10650 8850 0 50 Input ~ 0 GND Wire Wire Line 10650 8550 10850 8550 Wire Wire Line 10850 8850 10650 8850 Wire Wire Line 10850 8350 10850 8550 Wire Wire Line 10850 8850 10850 9050 $Comp L power:PWR_FLAG #FLG0102 U 1 1 5D6326D1 P 11300 8850 F 0 "#FLG0102" H 11300 8925 50 0001 C CNN F 1 "PWR_FLAG" H 11300 9023 50 0000 C CNN F 2 "" H 11300 8850 50 0001 C CNN F 3 "~" H 11300 8850 50 0001 C CNN 1 11300 8850 -1 0 0 1 $EndComp Connection ~ 11300 8850 Wire Wire Line 10850 8550 11300 8550 $Comp L power:VCC #PWR0101 U 1 1 5D644407 P 10850 8350 F 0 "#PWR0101" H 10850 8200 50 0001 C CNN F 1 "VCC" H 10867 8523 50 0000 C CNN F 2 "" H 10850 8350 50 0001 C CNN F 3 "" H 10850 8350 50 0001 C CNN 1 10850 8350 1 0 0 -1 $EndComp $Comp L Device:C C3 U 1 1 5D768593 P 11800 8700 F 0 "C3" H 11915 8746 50 0000 L CNN F 1 "0.1uF" H 11915 8655 50 0000 L CNN F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 11838 8550 50 0001 C CNN F 3 "~" H 11800 8700 50 0001 C CNN 1 11800 8700 1 0 0 -1 $EndComp Wire Wire Line 11800 8850 11300 8850 NoConn ~ 1150 1000 NoConn ~ 1150 1100 NoConn ~ 1150 1200 NoConn ~ 1150 1300 NoConn ~ 1150 1400 NoConn ~ 1150 1500 NoConn ~ 1150 1600 NoConn ~ 1150 1700 NoConn ~ 1150 3200 NoConn ~ 1150 4600 NoConn ~ 1150 4700 NoConn ~ 1150 4800 NoConn ~ 1150 4900 NoConn ~ 13400 -400 $Comp L Device:C C4 U 1 1 5D640CDF P 12300 8700 F 0 "C4" H 12415 8746 50 0000 L CNN F 1 "0.1uF" H 12415 8655 50 0000 L CNN F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 12338 8550 50 0001 C CNN F 3 "~" H 12300 8700 50 0001 C CNN 1 12300 8700 1 0 0 -1 $EndComp Wire Wire Line 11300 8550 11800 8550 Connection ~ 11800 8550 Wire Wire Line 11800 8550 12300 8550 Connection ~ 11800 8850 Text GLabel 1750 4400 2 50 Output ~ 0 TXA Text GLabel 1750 4500 2 50 Input ~ 0 RXA $Comp L Alan:16C2552 U1 U 1 1 5E5012BD P 6150 2450 F 0 "U1" H 6650 4000 50 0000 C CNN F 1 "16C2552" H 6650 3900 50 0000 C CNN F 2 "Package_LCC:PLCC-44_THT-Socket" H 5100 3400 50 0001 C CNN F 3 "" H 5100 3400 50 0001 C CNN 1 6150 2450 1 0 0 -1 $EndComp Text GLabel 5400 1350 0 50 3State ~ 0 D0 Text GLabel 5400 1450 0 50 3State ~ 0 D1 Text GLabel 5400 1550 0 50 3State ~ 0 D2 Text GLabel 5400 1650 0 50 3State ~ 0 D3 Text GLabel 5400 1750 0 50 3State ~ 0 D4 Text GLabel 5400 1850 0 50 3State ~ 0 D5 Text GLabel 5400 1950 0 50 3State ~ 0 D6 Text GLabel 5400 2050 0 50 3State ~ 0 D7 Text GLabel 5400 2250 0 50 Input ~ 0 A0 Text GLabel 5400 2350 0 50 Input ~ 0 A1 Text GLabel 5400 2450 0 50 Input ~ 0 A2 Text GLabel 5400 2550 0 50 Input ~ 0 A3 Text GLabel 5400 2850 0 50 Input ~ 0 RD Text GLabel 5400 2950 0 50 Input ~ 0 WR $Comp L power:GND #PWR0102 U 1 1 5E506266 P 6100 3850 F 0 "#PWR0102" H 6100 3600 50 0001 C CNN F 1 "GND" H 6105 3677 50 0000 C CNN F 2 "" H 6100 3850 50 0001 C CNN F 3 "" H 6100 3850 50 0001 C CNN 1 6100 3850 1 0 0 -1 $EndComp $Comp L power:GND #PWR0103 U 1 1 5E50660B P 6200 3850 F 0 "#PWR0103" H 6200 3600 50 0001 C CNN F 1 "GND" H 6205 3677 50 0000 C CNN F 2 "" H 6200 3850 50 0001 C CNN F 3 "" H 6200 3850 50 0001 C CNN 1 6200 3850 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0104 U 1 1 5E5071B7 P 6100 1150 F 0 "#PWR0104" H 6100 1000 50 0001 C CNN F 1 "VCC" H 6117 1323 50 0000 C CNN F 2 "" H 6100 1150 50 0001 C CNN F 3 "" H 6100 1150 50 0001 C CNN 1 6100 1150 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0106 U 1 1 5E50758E P 6200 1150 F 0 "#PWR0106" H 6200 1000 50 0001 C CNN F 1 "VCC" H 6217 1323 50 0000 C CNN F 2 "" H 6200 1150 50 0001 C CNN F 3 "" H 6200 1150 50 0001 C CNN 1 6200 1150 1 0 0 -1 $EndComp $Comp L 74xx:74LS138 U2 U 1 1 5E5091A0 P 2850 1800 F 0 "U2" H 3250 2500 50 0000 C CNN F 1 "74HCT138" H 3250 2400 50 0000 C CNN F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 2850 1800 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 2850 1800 50 0001 C CNN 1 2850 1800 1 0 0 -1 $EndComp Text GLabel 2350 1500 0 50 Input ~ 0 A7 Text GLabel 2350 1700 0 50 Input ~ 0 A6 Text GLabel 2350 1600 0 50 Input ~ 0 A5 Text GLabel 2350 2200 0 50 Input ~ 0 A4 Text GLabel 2350 2100 0 50 Input ~ 0 IORQ Wire Wire Line 2350 2000 2150 2000 Wire Wire Line 2150 2000 2150 1200 Wire Wire Line 2150 1200 2850 1200 $Comp L power:GND #PWR0107 U 1 1 5E51296F P 2850 2500 F 0 "#PWR0107" H 2850 2250 50 0001 C CNN F 1 "GND" H 2855 2327 50 0000 C CNN F 2 "" H 2850 2500 50 0001 C CNN F 3 "" H 2850 2500 50 0001 C CNN 1 2850 2500 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0108 U 1 1 5E512D74 P 2850 1200 F 0 "#PWR0108" H 2850 1050 50 0001 C CNN F 1 "VCC" H 2867 1373 50 0000 C CNN F 2 "" H 2850 1200 50 0001 C CNN F 3 "" H 2850 1200 50 0001 C CNN 1 2850 1200 1 0 0 -1 $EndComp Connection ~ 2850 1200 $Comp L Connector_Generic:Conn_02x08_Odd_Even J2 U 1 1 5E51335F P 3550 1800 F 0 "J2" H 3600 2317 50 0000 C CNN F 1 "Conn_02x08_Odd_Even" H 3600 2226 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical" H 3550 1800 50 0001 C CNN F 3 "~" H 3550 1800 50 0001 C CNN 1 3550 1800 1 0 0 -1 $EndComp Wire Wire Line 3850 1500 3850 1600 Wire Wire Line 3850 2750 5400 2750 Connection ~ 3850 1600 Wire Wire Line 3850 1600 3850 1700 Connection ~ 3850 1700 Wire Wire Line 3850 1700 3850 1800 Connection ~ 3850 1800 Wire Wire Line 3850 1800 3850 1900 Connection ~ 3850 1900 Wire Wire Line 3850 1900 3850 2000 Connection ~ 3850 2000 Wire Wire Line 3850 2000 3850 2100 Connection ~ 3850 2100 Wire Wire Line 3850 2100 3850 2200 Connection ~ 3850 2200 Wire Wire Line 3850 2200 3850 2750 Text GLabel 8250 1200 0 50 Input ~ 0 GND Text GLabel 8250 1300 0 50 Input ~ 0 RTSA Text GLabel 8250 1400 0 50 Input ~ 0 VCC Text GLabel 8250 1500 0 50 Output ~ 0 RXA Text GLabel 8250 1600 0 50 Input ~ 0 TXA Text GLabel 8250 1700 0 50 Output ~ 0 CTSA Text GLabel 8250 1800 0 50 Output ~ 0 DTRA Text GLabel 8250 1900 0 50 Output ~ 0 DSRA Text GLabel 8250 2000 0 50 Output ~ 0 MFA Text GLabel 8250 2100 0 50 Output ~ 0 CDA Text GLabel 8250 2200 0 50 Output ~ 0 RIA Text GLabel 8250 2300 0 50 Input ~ 0 TXRDYA Text GLabel 6850 1350 2 50 Input ~ 0 RXA Text GLabel 6850 1450 2 50 Output ~ 0 TXA Text GLabel 6850 1550 2 50 Output ~ 0 RTSA Text GLabel 6850 1650 2 50 Input ~ 0 CTSA Text GLabel 6850 1750 2 50 Input ~ 0 DTRA Text GLabel 6850 1850 2 50 Input ~ 0 DSRA Text GLabel 6850 1950 2 50 Output ~ 0 TXRDYA Text GLabel 6850 2050 2 50 Input ~ 0 MFA Text GLabel 6850 2150 2 50 Input ~ 0 CDA Text GLabel 6850 2250 2 50 Input ~ 0 RIA Text GLabel 6850 2650 2 50 Input ~ 0 RXB Text GLabel 6850 2750 2 50 Output ~ 0 TXB Text GLabel 6850 2850 2 50 Output ~ 0 RTSB Text GLabel 6850 2950 2 50 Input ~ 0 CTSB Text GLabel 6850 3050 2 50 Input ~ 0 DTRB Text GLabel 6850 3150 2 50 Input ~ 0 DSRB Text GLabel 6850 3250 2 50 Output ~ 0 TXRDYB Text GLabel 6850 3350 2 50 Input ~ 0 MFB Text GLabel 6850 3450 2 50 Input ~ 0 CDB Text GLabel 6850 3550 2 50 Input ~ 0 RIB Wire Wire Line 4800 3200 4800 3300 Text GLabel 4250 3300 0 50 Input ~ 0 RESET Wire Wire Line 4250 3300 4800 3300 Connection ~ 4800 3300 Wire Wire Line 4800 3300 4800 3400 Wire Wire Line 6850 3650 7250 3650 Wire Wire Line 7250 3650 7250 3900 Wire Wire Line 6850 2350 7450 2350 Wire Wire Line 7450 2350 7450 3900 $Comp L Oscillator:CXO_DIP8 X1 U 1 1 5E53EEAD P 4450 4250 F 0 "X1" H 4850 4600 50 0000 L CNN F 1 "CXO_DIP8" H 4800 4500 50 0000 L CNN F 2 "Oscillator:Oscillator_DIP-8" H 4900 3900 50 0001 C CNN F 3 "http://cdn-reichelt.de/documents/datenblatt/B400/OSZI.pdf" H 4350 4250 50 0001 C CNN 1 4450 4250 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0109 U 1 1 5E54276C P 4450 3950 F 0 "#PWR0109" H 4450 3800 50 0001 C CNN F 1 "VCC" H 4467 4123 50 0000 C CNN F 2 "" H 4450 3950 50 0001 C CNN F 3 "" H 4450 3950 50 0001 C CNN 1 4450 3950 1 0 0 -1 $EndComp $Comp L power:GND #PWR0110 U 1 1 5E542F5F P 4450 4550 F 0 "#PWR0110" H 4450 4300 50 0001 C CNN F 1 "GND" H 4455 4377 50 0000 C CNN F 2 "" H 4450 4550 50 0001 C CNN F 3 "" H 4450 4550 50 0001 C CNN 1 4450 4550 1 0 0 -1 $EndComp NoConn ~ 4150 4250 Wire Wire Line 4750 4250 5200 4250 Wire Wire Line 5200 4250 5200 3550 Wire Wire Line 5200 3550 5400 3550 NoConn ~ 5400 3650 $Comp L 74xx:74HC02 U3 U 1 1 5E5466C7 P 5100 3300 F 0 "U3" H 5100 3625 50 0000 C CNN F 1 "74HC02" H 5100 3534 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 5100 3300 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74hc02" H 5100 3300 50 0001 C CNN 1 5100 3300 1 0 0 -1 $EndComp $Comp L 74xx:74HC02 U3 U 2 1 5E548952 P 7350 4200 F 0 "U3" V 7304 4388 50 0000 L CNN F 1 "74HC02" V 7395 4388 50 0000 L CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 7350 4200 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74hc02" H 7350 4200 50 0001 C CNN 2 7350 4200 0 1 1 0 $EndComp $Comp L Device:D D1 U 1 1 5E54A28A P 7350 4650 F 0 "D1" V 7304 4729 50 0000 L CNN F 1 "1N517" V 7395 4729 50 0000 L CNN F 2 "Diode_THT:D_A-405_P7.62mm_Horizontal" H 7350 4650 50 0001 C CNN F 3 "~" H 7350 4650 50 0001 C CNN 1 7350 4650 0 1 1 0 $EndComp $Comp L Connector_Generic:Conn_01x12 J4 U 1 1 5E51F584 P 12350 3600 F 0 "J4" H 12430 3592 50 0000 L CNN F 1 "Conn_01x12" H 12430 3501 50 0000 L CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_Horizontal" H 12350 3600 50 0001 C CNN F 3 "~" H 12350 3600 50 0001 C CNN 1 12350 3600 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x12 J3 U 1 1 5E51A254 P 12350 1700 F 0 "J3" H 12430 1692 50 0000 L CNN F 1 "Conn_01x12" H 12430 1601 50 0000 L CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_Horizontal" H 12350 1700 50 0001 C CNN F 3 "~" H 12350 1700 50 0001 C CNN 1 12350 1700 1 0 0 -1 $EndComp $Comp L Device:Jumper JP1 U 1 1 5E568262 P 1450 4400 F 0 "JP1" H 1450 4664 50 0000 C CNN F 1 "Jumper" H 1450 4573 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1450 4400 50 0001 C CNN F 3 "~" H 1450 4400 50 0001 C CNN 1 1450 4400 1 0 0 -1 $EndComp $Comp L Device:Jumper JP2 U 1 1 5E568ACE P 1450 4500 F 0 "JP2" H 1450 4764 50 0000 C CNN F 1 "Jumper" H 1450 4673 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1450 4500 50 0001 C CNN F 3 "~" H 1450 4500 50 0001 C CNN 1 1450 4500 1 0 0 -1 $EndComp Text GLabel 8250 4200 0 50 Input ~ 0 TXRDYB Text GLabel 8250 4100 0 50 Output ~ 0 RIB Text GLabel 8250 4000 0 50 Output ~ 0 CDB Text GLabel 8250 3900 0 50 Output ~ 0 MFB Text GLabel 8250 3800 0 50 Output ~ 0 DSRB Text GLabel 8250 3700 0 50 Output ~ 0 DTRB Text GLabel 8250 3600 0 50 Output ~ 0 CTSB Text GLabel 8250 3500 0 50 Input ~ 0 TXB Text GLabel 8250 3400 0 50 Output ~ 0 RXB Text GLabel 8250 3300 0 50 Input ~ 0 VCC Text GLabel 8250 3200 0 50 Input ~ 0 RTSB Text GLabel 8250 3100 0 50 Input ~ 0 GND Wire Wire Line 8250 2300 12150 2300 Wire Wire Line 11450 2200 12150 2200 Wire Wire Line 11450 1100 11450 2200 Wire Wire Line 11350 2200 11350 1100 Wire Wire Line 8250 2200 11350 2200 Wire Wire Line 11150 2100 12150 2100 Wire Wire Line 11150 1100 11150 2100 Wire Wire Line 11050 2100 11050 1100 Wire Wire Line 8250 2100 11050 2100 Wire Wire Line 10850 2000 12150 2000 Wire Wire Line 10850 1100 10850 2000 Wire Wire Line 10750 2000 10750 1100 Wire Wire Line 8250 2000 10750 2000 Wire Wire Line 10550 1900 12150 1900 Wire Wire Line 10550 1100 10550 1900 Wire Wire Line 10450 1900 10450 1100 Wire Wire Line 8250 1900 10450 1900 Wire Wire Line 10250 1800 12150 1800 Wire Wire Line 10250 1100 10250 1800 Wire Wire Line 10150 1800 10150 1100 Wire Wire Line 8250 1800 10150 1800 Wire Wire Line 9950 1700 12150 1700 Wire Wire Line 9950 1100 9950 1700 Wire Wire Line 9850 1700 9850 1100 Wire Wire Line 8250 1700 9850 1700 Wire Wire Line 9650 1600 12150 1600 Wire Wire Line 9650 1100 9650 1600 Wire Wire Line 9550 1600 9550 1100 Wire Wire Line 8250 1600 9550 1600 Wire Wire Line 9350 1500 12150 1500 Wire Wire Line 9350 1100 9350 1500 Wire Wire Line 9250 1500 9250 1100 Wire Wire Line 8250 1500 9250 1500 Wire Wire Line 8250 1400 12150 1400 Wire Wire Line 9050 1300 12150 1300 Wire Wire Line 9050 1100 9050 1300 Wire Wire Line 8950 1300 8950 1100 Wire Wire Line 8250 1300 8950 1300 Wire Wire Line 8250 1200 12150 1200 $Comp L Device:R_Pack04_SIP RN2 U 1 1 5E57AA7E P 10950 900 F 0 "RN2" H 11538 927 50 0000 L CNN F 1 "R_Pack04_SIP" H 11538 836 50 0000 L CNN F 2 "Resistor_THT:R_Array_SIP8" V 11625 900 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 10950 900 50 0001 C CNN 1 10950 900 1 0 0 -1 $EndComp $Comp L Device:R_Pack05_SIP RN1 U 1 1 5E579B0A P 9550 900 F 0 "RN1" H 9604 1242 50 0000 C CNN F 1 "R_Pack05_SIP" H 9604 1151 50 0000 C CNN F 2 "Resistor_THT:R_Array_SIP10" V 10425 900 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 9550 900 50 0001 C CNN 1 9550 900 1 0 0 -1 $EndComp Wire Wire Line 8250 4200 12150 4200 Wire Wire Line 11450 4100 12150 4100 Wire Wire Line 11450 3000 11450 4100 Wire Wire Line 11350 4100 11350 3000 Wire Wire Line 8250 4100 11350 4100 Wire Wire Line 11150 4000 12150 4000 Wire Wire Line 11150 3000 11150 4000 Wire Wire Line 11050 4000 11050 3000 Wire Wire Line 8250 4000 11050 4000 Wire Wire Line 10850 3900 12150 3900 Wire Wire Line 10850 3000 10850 3900 Wire Wire Line 10750 3900 10750 3000 Wire Wire Line 8250 3900 10750 3900 Wire Wire Line 10550 3800 12150 3800 Wire Wire Line 10550 3000 10550 3800 Wire Wire Line 10450 3800 10450 3000 Wire Wire Line 8250 3800 10450 3800 Wire Wire Line 10250 3700 12150 3700 Wire Wire Line 10250 3000 10250 3700 Wire Wire Line 10150 3700 10150 3000 Wire Wire Line 8250 3700 10150 3700 Wire Wire Line 9950 3600 12150 3600 Wire Wire Line 9950 3000 9950 3600 Wire Wire Line 9850 3600 9850 3000 Wire Wire Line 8250 3600 9850 3600 Wire Wire Line 9650 3500 12150 3500 Wire Wire Line 9650 3000 9650 3500 Wire Wire Line 9550 3500 9550 3000 Wire Wire Line 8250 3500 9550 3500 Wire Wire Line 9350 3400 12150 3400 Wire Wire Line 9350 3000 9350 3400 Wire Wire Line 9250 3400 9250 3000 Wire Wire Line 8250 3400 9250 3400 Wire Wire Line 8250 3300 12150 3300 Wire Wire Line 9050 3200 12150 3200 Wire Wire Line 9050 3000 9050 3200 Wire Wire Line 8950 3200 8950 3000 Wire Wire Line 8250 3200 8950 3200 Wire Wire Line 8250 3100 12150 3100 $Comp L Device:R_Pack04_SIP RN4 U 1 1 5E5B2492 P 10950 2800 F 0 "RN4" H 11538 2827 50 0000 L CNN F 1 "R_Pack04_SIP" H 11538 2736 50 0000 L CNN F 2 "Resistor_THT:R_Array_SIP8" V 11625 2800 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 10950 2800 50 0001 C CNN 1 10950 2800 1 0 0 -1 $EndComp $Comp L Device:R_Pack05_SIP RN3 U 1 1 5E5B249C P 9550 2800 F 0 "RN3" H 9604 3142 50 0000 C CNN F 1 "R_Pack05_SIP" H 9604 3051 50 0000 C CNN F 2 "Resistor_THT:R_Array_SIP10" V 10425 2800 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 9550 2800 50 0001 C CNN 1 9550 2800 1 0 0 -1 $EndComp $Comp L 74xx:74HC02 U3 U 3 1 5E5C9803 P 12400 6150 F 0 "U3" H 12400 6475 50 0000 C CNN F 1 "74HC02" H 12400 6384 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 12400 6150 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74hc02" H 12400 6150 50 0001 C CNN 3 12400 6150 1 0 0 -1 $EndComp $Comp L 74xx:74HC02 U3 U 4 1 5E5CAAA5 P 11800 6150 F 0 "U3" H 11800 6475 50 0000 C CNN F 1 "74HC02" H 11800 6384 50 0000 C CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 11800 6150 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74hc02" H 11800 6150 50 0001 C CNN 4 11800 6150 -1 0 0 -1 $EndComp $Comp L 74xx:74HC02 U3 U 5 1 5E5CBC08 P 13350 8350 F 0 "U3" H 13580 8396 50 0000 L CNN F 1 "74HC02" H 13580 8305 50 0000 L CNN F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 13350 8350 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74hc02" H 13350 8350 50 0001 C CNN 5 13350 8350 1 0 0 -1 $EndComp Wire Wire Line 12100 6050 12100 6250 Connection ~ 12100 6050 Connection ~ 12100 6250 Wire Wire Line 12100 6250 12100 6850 $Comp L power:GND #PWR0111 U 1 1 5E5E22DB P 12100 6850 F 0 "#PWR0111" H 12100 6600 50 0001 C CNN F 1 "GND" H 12105 6677 50 0000 C CNN F 2 "" H 12100 6850 50 0001 C CNN F 3 "" H 12100 6850 50 0001 C CNN 1 12100 6850 1 0 0 -1 $EndComp NoConn ~ 12700 6150 NoConn ~ 11500 6150 Wire Wire Line 11800 8850 12300 8850 Connection ~ 12300 8850 Wire Wire Line 12300 8850 13350 8850 Wire Wire Line 12300 8550 12300 7850 Wire Wire Line 12300 7850 13350 7850 Connection ~ 12300 8550 Text GLabel 7350 4800 3 50 3State ~ 0 INT Text GLabel 1150 2900 2 50 Output ~ 0 RESET NoConn ~ 1150 2800 NoConn ~ 2350 3050 Text GLabel 1150 3000 2 50 3State ~ 0 CLK Text GLabel 5200 4850 2 50 3State ~ 0 CLK $Comp L Device:Jumper JP3 U 1 1 5E638AF9 P 5200 4550 F 0 "JP3" V 5154 4677 50 0000 L CNN F 1 "Jumper" V 5245 4677 50 0000 L CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 5200 4550 50 0001 C CNN F 3 "~" H 5200 4550 50 0001 C CNN 1 5200 4550 0 1 1 0 $EndComp Connection ~ 5200 4250 $EndSCHEMATC