Tyros3
44
IC BLOCK DIAGRAM
SN74AHC14PWR (X3098A00)
SN74LV14APWR (X6688A0R)
TC74VHC14FT (XV890B0R)
DM: IC4, 5, 7, 510
Hex Inverter
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
GND
14
13
12
11
10
9
8
VDD
6A
6Y
5A
5Y
4A
4Y
SN74LV21APWR (X2377A0R)
TC74VHC21FT (X5542A00)
DM: IC20
Dual 4 Input AND
1
2
3
1A
NC
41C
51D
61Y
7
GND
1B
14
13
12
Vcc
2C
11 NC
10 2B
9 2A
8 2Y
2D
SN74LV32APWR (X5647A00)
DM: IC6
SN74LVC32APWR (X5405A00)
DM: IC212
Quad 2 Input OR
1
2
3
1A
1Y
42A
52B
62Y
7GND
1B
14
13
12
Vcc
4A
11 4Y
10 3B
9 3A
8 3Y
4B
SN74ACT74PWR (X9486A00)
TC74ACT74FT (X6536A0R)
DM: IC404
Dual D-Type Flip-Flop
INPUTS OUTPUTS
PR CLR CLK D Q Q
L
H
H
L
H
Q
O
H
L
H
H
L
Q O
X
X
X
H
L
X
X
X
X
f
f
L
H
L
L
H
H
H
L
H
L
H
H
H
1
2
3
4
5
6
7
1CLR
1D
1CK
1PR
1Q
1Q
GND
14
13
12
11
10
9
8
VCC
2CLR
CLR
2D
D
2CK
CK
2PRPR
2Q
2Q
Q
Q
CLR
D
CK
PR
Q
Q
SN74LVC138APWR (X7074A00)
DM: IC502
3 to 8 Demultiplexer
1
2
3
4
5
6
7
A
A
Select
Enable
Output
Output
B
B
C
C
G2A
G2A
G2B
G2B
G1
G1
Y7
Y7 Y5
Y4
Y3
Y2
Y1
Y0
Y6
16
15
14
13
12
11
10
Vcc
YO
Y1
Y2
Y3
Y4
Y5
8
GND
9
Y6
HD74LVC139TELL (X4963A0R)
SN74LVC139APWR (X7227A00)
DM: IC24, 25
Dual 2 to 4 Demultiplexer
1
2
3
4
5
6
7
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
A
G
B
Y0
Y1
Y2
Y3
16
15
14
13
12
11
10
Vcc
2G
2A
2B
2Y0
2Y1
2Y2
8
GND
9
2Y3
Y2
Y3
Y1
Y0
B
A
G
SN74AHCT245PWR (X2709A0R)
TC74VHCT245AFT (XT744B0R)
DM: IC200
SN74LV245APWR (X3693A0R)
TC74VHC245FT (XU797B00)
DM: IC201
SN74LVC245APWR (XZ287A0R)
DM: IC16
―
19, 21, 22, 808
―
811
Octal 3-State Bus Transceiver
1D1R
2
3
4
5
6
7
8
9
10
A1
A2
A3
A4
A5
A6
A7
A8
GND
11
12
13
14
15
16
17
18
19
20
V
CC
G
B1
B2
B3
B4
B5
B6
B7
B8
SN74LV273APWR (X5074A00)
TC74VHC273FT (X7942B00)
DM: IC23
Octal D-Type Flip-Flop
CLEAR
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLOCK
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
Q
DCK
CL
D
Q
CK
CL
Q
DCK
CL
D
Q
CK
CL
D
Q
CK
CL
Q
DCK
CL
D
Q
CK
CL
Q
DCK
CL
SN74LVC1G32DCKR (X5825A00)
DM: IC213
2-Input OR Gate
1 5
2
3
4
IN B
GND
Vcc
OUT Y
IN A
INPUTS
FUNCTION TABLE
OUTPUT
AB Y
H
H
L
X
H
L
H
X
L
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