1-37
KD-LH1000
Vcc
Vcc
Input
See Function
Tab
le
1A
2A
3A
4A
1C
2C
3C
4C
1Y
2Y
3Y
4Y
Output
Output
Output
Output
Sample as Load Circuit 1
Sample as Load Circuit 1
Sample as Load Circuit 1
Note) CL includes probe and jig capacitance
1k
1k
S1
CL
Input
Note) H:High level
L:Low level
X:Irrelevant
Z:Off(High-impedance)
State a 3-state input
Output
C
L
H
H
A
X
L
H
Y
Z
H
L
1
2
3
4
5
6
7
1C
1A
1Y
2C
2A
2Y
GND
VU
4C
4A
4Y
3C
3A
3Y
14
13
12
11
10
9
8
HD74HC126FP (IC781) : J-BUS buffer
1.Pin layout
2.Block diagram
3.Pin function
2
3
4
NJU7241F33 (IC804) : Voltage regulator
PIN FUNCTION
1. GND
2. V
IN
3. V
OUT
4. NC
5. STB
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