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KD-LH70R
QQ
4.5 HD74HC126FP-X (IC801) : Buffer
3 7 63 1515 0
• Pin layout
1
1C
2
1A
3
1Y
4
2C
5
2A
6
2Y
7
GND
• Block diagram
TE
L 13942296513
Note:
CL includes probe and jig capacitance
4.6 IC-PST600M/G/-W(IC702) : System reset
• Block diagram
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1-26 (No.49803)
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14
VCC
13
4C
12
4A
11
4Y
10
3C
9
3A
8
3Y
Vcc
Vcc
1A
2A
3A
Input
4A
1C
2C
3C
4C
Co1
x
ao
y
.
i
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8
• Pin function
Input
Output
C
A
L
X
H
L
H
H
Note:
H:High level
L:Low level
X:Irrelevant
Z:Off(High-impedance)
State a 3-state input
1k
Output
1Y
CL
Q Q
3
6 7
1 3
Output
2Y
Sample as Load Circuit 1
Output
3Y
Sample as Load Circuit 1
Output
4Y
Sample as Load Circuit 1
OP1
u163
.
2 9
9 4
2 8
Y
Z
H
L
S1
1k
1 5
0 5
8
2 9
9 4
1
IN
3
Vout
m
2
GND
co
9 9
2 8
9 9
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