computer/doc/clock_generation.sch

EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 4027 U?
U 1 1 5AFDD0CA
P 4250 3550
F 0 "U?" H 4350 3650 50  0001 C CNN
F 1 "4027" H 4400 3200 50  0000 C CNN
F 2 "" H 4250 3550 60  0000 C CNN
F 3 "" H 4250 3550 60  0000 C CNN
	1    4250 3550
	1    0    0    -1  
$EndComp
$Comp
L 4027 U?
U 2 1 5AFDD10B
P 7350 3550
F 0 "U?" H 7450 3650 50  0001 C CNN
F 1 "4027" H 7500 3200 50  0000 C CNN
F 2 "" H 7350 3550 60  0000 C CNN
F 3 "" H 7350 3550 60  0000 C CNN
	2    7350 3550
	1    0    0    -1  
$EndComp
$Comp
L 74LS08 U?
U 1 1 5AFDD146
P 5750 3550
F 0 "U?" H 5750 3600 50  0001 C CNN
F 1 "74LS08" H 5700 3250 50  0000 C CNN
F 2 "" H 5750 3550 50  0000 C CNN
F 3 "" H 5750 3550 50  0000 C CNN
	1    5750 3550
	1    0    0    -1  
$EndComp
NoConn ~ 7950 3750
$Comp
L GND #PWR?
U 1 1 5AFDD1BB
P 7350 3000
F 0 "#PWR?" H 7350 2750 50  0001 C CNN
F 1 "GND" H 7350 2850 50  0000 C CNN
F 2 "" H 7350 3000 50  0000 C CNN
F 3 "" H 7350 3000 50  0000 C CNN
	1    7350 3000
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR?
U 1 1 5AFDD1D5
P 4250 3000
F 0 "#PWR?" H 4250 2750 50  0001 C CNN
F 1 "GND" H 4250 2850 50  0000 C CNN
F 2 "" H 4250 3000 50  0000 C CNN
F 3 "" H 4250 3000 50  0000 C CNN
	1    4250 3000
	-1   0    0    1   
$EndComp
$Comp
L VCC #PWR?
U 1 1 5AFDD1F2
P 3650 3350
F 0 "#PWR?" H 3650 3200 50  0001 C CNN
F 1 "VCC" H 3650 3500 50  0000 C CNN
F 2 "" H 3650 3350 50  0000 C CNN
F 3 "" H 3650 3350 50  0000 C CNN
	1    3650 3350
	0    -1   -1   0   
$EndComp
$Comp
L VCC #PWR?
U 1 1 5AFDD20C
P 3650 3750
F 0 "#PWR?" H 3650 3600 50  0001 C CNN
F 1 "VCC" H 3650 3900 50  0000 C CNN
F 2 "" H 3650 3750 50  0000 C CNN
F 3 "" H 3650 3750 50  0000 C CNN
	1    3650 3750
	0    -1   -1   0   
$EndComp
$Comp
L VCC #PWR?
U 1 1 5AFDD226
P 6750 3750
F 0 "#PWR?" H 6750 3600 50  0001 C CNN
F 1 "VCC" H 6750 3900 50  0000 C CNN
F 2 "" H 6750 3750 50  0000 C CNN
F 3 "" H 6750 3750 50  0000 C CNN
	1    6750 3750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6350 3550 6400 3550
Wire Wire Line
	6400 3550 6400 3350
Wire Wire Line
	6400 3350 6750 3350
Wire Wire Line
	4850 3750 5000 3750
Wire Wire Line
	5000 3750 5000 3450
Wire Wire Line
	5000 3450 5150 3450
Wire Wire Line
	5150 4350 5150 3650
Wire Wire Line
	2800 4350 5150 4350
Wire Wire Line
	7350 4200 7350 4100
Wire Wire Line
	2800 4200 7350 4200
Wire Wire Line
	4250 4100 4250 4200
Connection ~ 4250 4200
Text Label 2800 4200 0    60   ~ 0
RESET
Text Label 2800 4350 0    60   ~ 0
ENABLE
Text Label 2800 4500 0    60   ~ 0
CLK
Wire Wire Line
	6750 3550 6500 3550
Wire Wire Line
	6500 3550 6500 4500
Wire Wire Line
	6500 4500 2800 4500
Wire Wire Line
	3650 3550 3400 3550
Wire Wire Line
	3400 3550 3400 4500
Connection ~ 3400 4500
Wire Wire Line
	4850 3350 4850 4650
Wire Wire Line
	4850 4650 8700 4650
Wire Wire Line
	7950 3350 8100 3350
Wire Wire Line
	8100 3350 8100 4800
Wire Wire Line
	8100 4800 8700 4800
Text Label 8700 4650 2    60   ~ 0
BASE_CLK
Text Label 8700 4800 2    60   ~ 0
CLK1
$EndSCHEMATC