74hc74.sym

这个开发机器人项目源码

v 20030525
L 300 650 375 600 3 0 0 0 -1 -1
L 375 600 300 550 3 0 0 0 -1 -1
B 300 300 1000 1600 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
T 1800 1800 5 10 0 0 0 0
device=74HC74
T 1800 1000 5 10 0 0 0 0
slot=1
T 1800 1200 5 10 0 0 0 0
numslots=2
T 1800 1400 5 10 0 0 0 0
slotdef=1:1,2,3,4,5,6
T 1800 1600 5 10 0 0 0 0
slotdef=2:13,12,11,10,9,8
P 300 600 0 600 1 0 1
{
T 200 650 5 8 1 1 0 6
pinnumber=3
T 200 550 5 8 0 1 0 8
pinseq=3
T 375 600 9 8 1 1 0 0
pinlabel=CLK
T 375 600 5 8 0 1 0 2
pintype=clk
}
P 300 1600 0 1600 1 0 1
{
T 200 1650 5 8 1 1 0 6
pinnumber=2
T 200 1550 5 8 0 1 0 8
pinseq=2
T 350 1600 9 8 1 1 0 0
pinlabel=D
T 350 1600 5 8 0 1 0 2
pintype=in
}
P 1600 1600 1300 1600 1 0 0
{
T 1400 1650 5 8 1 1 0 0
pinnumber=5
T 1400 1550 5 8 0 1 0 2
pinseq=5
T 1250 1600 9 8 1 1 0 6
pinlabel=Q
T 1250 1600 5 8 0 1 0 8
pintype=out
}
P 800 2000 800 2200 1 0 1
{
T 850 2000 5 8 1 1 0 0
pinnumber=1
T 850 2000 5 8 0 1 0 2
pinseq=1
T 800 1850 9 8 1 1 0 5
pinlabel=CLR
T 800 1750 5 8 0 1 0 5
pintype=in
}
P 800 0 800 200 1 0 0
{
T 850 100 5 8 1 1 0 0
pinnumber=4
T 850 100 5 8 0 1 0 2
pinseq=4
T 800 350 9 8 1 1 0 3
pinlabel=PRE
T 800 450 5 8 0 1 0 3
pintype=in
}
P 1400 600 1600 600 1 0 1
{
T 1400 650 5 8 1 1 0 0
pinnumber=6
T 1400 550 5 8 0 1 0 2
pinseq=6
T 1250 600 9 8 1 1 0 6
pinlabel=Q
T 1250 600 5 8 0 1 0 8
pintype=out
}
V 1350 600 50 6 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
V 800 1950 50 6 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
V 800 250 50 6 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
T 1300 2000 8 10 1 1 0 6
refdes=U?
T 1800 2400 5 10 0 0 0 0
pins=14
T 1800 2200 5 10 0 0 0 0
net=Vcc:14
T 1800 2000 5 10 0 0 0 0
net=GND:7
T 1800 2800 5 10 0 0 0 0
footprint=DIP14
T 1800 2600 5 10 0 0 0 0
description=2 D-flip-flops with preset and clear
T 300 250 9 8 1 0 0 2
74HC74
L 650 475 950 475 3 0 0 0 -1 -1
L 675 1875 950 1875 3 0 0 0 -1 -1
L 1150 725 1250 725 3 0 0 0 -1 -1
T 1800 3000 5 10 0 0 0 0
documentation=http://www-s.ti.com/sc/ds/sn74hc74.pdf