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C-AX10
QQ
3 7 63 1515 0
7.2 PARTS
7.2.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
•
List of IC
TC74VHC257FT, TC74VHC244F, TC7WT74FU, TC74VHC4040FT,
DF1704E,
BC4094BCFV,
TC74VHC257FT (DSP ASSY : IC1505)
• Quad 2-Channel Multiplexer (3-state)
•
Block Diagram
SELECT
1
1A
2
1B
3
5
2A
2B
6
3A
11
TE
L 13942296513
3B
10
4A
14
4B
13
OE
15
TC74VHC244F (DSP ASSY : IC1506)
• Octal Bus Buffer
•
Pin Arrangement (Top view)
1
1G
2
1A1
2Y4
3
1A2
4
2Y3
5
6
1A3
www
2Y2
7
1A4
8
9
2Y1
.
GND
10
96
http://www.xiaoyu163.com
TC7W126FU, AT24C16N-10SI2.5, M30622SFP,
1Y
4
2Y
7
3Y
9
4Y
12
20
Vcc
19
2G
18
1Y1
17
2A4
16
1Y2
15
2A3
14
1Y3
x
ao
u163
13
2A2
y
12
1Y4
i
2A1
11
http://www.xiaoyu163.com
2 9
8
TC74VHC153FT, TC74VHC157F, TC74VHC163FT,
M38079SFP,
•
Truth Table
INPUTS
OE SELECT
A
B
H
X
X
X
L
L
L
X
L
L
H
X
L
H
X
L
L
H
X
H
X : Don't Care
Z : High Impedance
Q Q
3
6 7
1 3
1 5
•
Truth Table
INPUTS
OUTPUTS
G
An
Yn
L
L
L
L
H
H
H
X
Z
X : Don't Care
Z : High Impedance
Yn : TC74VHC244F
co
.
9 4
2 8
AK5393VS
OUTPUTS
Z
L
H
L
H
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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