3VCCRCext
单脉冲中上下
10
U8C74LS00
8
SD
2
TRIG
DIS
7
GNDCextABCLRQQ134H23R701K
1213
U8D74LS00
11
SQ
22KW1
5
GND
CVolt
THR
6NE555
C9022C101uF50VGND
1
GNDH24
图36
JM2U17E2A0E2A1E2A2E2A3E2A4E2A587654321232219GNDP33201821A0A1A2A3A4A5A6A7A8A9A10OEEPVPP2816U1887654321232219GNDP32201821A0A1A2A3A4A5A6A7A8A9A10OEEPVPP2816U1987654321232219GNDP352816VPP2816OE201821A0A1A2A3A4A5A6A7A8A9D0D1D2D3D4D5D6D7910111314151617CLRGND91CLKCLR74LS175123GNDU28ABCY0Y1Y2Y3456Y4E1E2E374LS138Y5Y6Y715141312111097P1P2P3P4MCARY6JP11234CON4MD1MD2MD3MD4MD5MD6131254U27D1D2D3D4Q1Q1Q2Q2Q3Q3Q4Q4237610111514KZ1VCC191M7M8D0D1D2D3D4D5D6D7910111314151617T2CLRD0D1D2D3D4D5D6D7910111314151617MD24MD23MD22MD21MD20MD19MD18MD17MD16MD15MD14MD13MD12MD11MD10GND111347813141718U23D1D2D3D4D5D6D7D8CLKCLR74LS273Q1Q2Q3Q4Q5Q6Q7Q8256912151619M17M18M19M20M21M22M23M24M16GAL16V8M15M14M13Y612345678911U26123GND4M956VCCE1E2E374LS138UA9M19M20M21M22M23M2423456789A0A1A2A3A4A5A6A7EDIR74LS245B0B1B2B3B4B5B6B71817161514131211QCNMS0S1S2S3ABCY0Y1Y2Y3Y4Y5Y6Y715141312111097MCRSBMCRDBMCRIBMC299BMCALUBMCPCBIN0CLKIN1IN2IN3IN4IN5IN6IN7IN8IN9OEU25IO0IO1IO2IO3IO4IO5IO6IO71213141516171819MCLDPCJM387654321CON8M24M23M22M21M20M19M18M17MLDRiMLDDR1MLDDR2MCLDIRMCLOADMLDARM9M10M11M12M13M14M15M1612345678CON8JM187654321CON8M8M7MD6MD5MD4MD3MD2MD1
M12MD7
U2274LS245
347813141718111
D1D2D3D4D5D6D7D8CLKCLR74LS273
Q1Q2Q3Q4Q5Q6Q7Q8
256912151619
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
OE
DIR
DIR
DIR
A7
A6
A5
A4A3
A2
A1A0
A7
A6
A5
A4A3
A2
A1A0
A7
A6
A5
A4A3
A2
EPVPP2816
74LS245
74LS245
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
K24519
11
1213
1415
16
17
18
11
1213
1415
16
17
18
11
1213
1415
16
17
GND
18
B0
GND
GND
A1A0
E
E
E
U20
U21
2
A10
MD8
119
119
119
M11M10
MD9
U24
VCC
MK24MK23
MK22
MK21MK20
MK19
MK18
MK17
MK16
MK15
MK14MK13
MK12
MK11
MK10
MK9
MK8
MK7
MK6
MK5
MK4
MK3
MK2
图37
8
MK1
f其中UA5～UA0为6位的后续微地址，A、B、C三个译码字段，分别由三组译码控制电路译码产生各控制信号。C字段中的P（1）r