1-47
RX-DV5RSL
1.Block diagram
1.Block diagram
2.Pin function
74LCX32MTC-X (IC522) : OR gate
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
A2
B2
C2
A3
B3
C3
A0
B0
C0
A1
B1
C1
GND
Symbol
An,Bn
On
Description
Inputs
Outputs
3.Truth table
2.Truth table
1.Pin layout
74LCX373MTC-X (IC512, IC513) : Latch
2. Pin function
OE
O0
D0
D1
O1
O2
D2
D3
O3
GND
20
19
18
17
16
15
14
13
12
11
Vcc
O7
D7
D6
O6
O5
D5
D4
O4
LE
1
2
3
4
5
6
7
8
9
10
Symbol
D0-D7
LE
OE
O0-O7
Description
Data Inputs
Latch Enable Input
Output Enable Input
3-STATE Latch Outputs
LE
X
H
H
L
Inputs
OE
H
L
L
L
Outputs
On
Z
L
H
O0
Dn
X
L
H
X
H=HIGH Voltage Level
L=LOW Vlotage Level
Z=High Impedance
X=Immaterial
O0=Previous O0 before HIGH-to-LOW transition of Latch Enable
BA7625 (IC405) : Video selector
IN1
CTL A
VOUT 1
V
CC
IN2
CTL B
logic
logic
MONITOR OUT
GND
IN5
GND
IN4
CTL E
IN3
CTL D
16
15
14
13
12
11
VOUT 2
CTL C
1
2
3
4
5
6
7
8
A
B
E
MONITOR OUT
L
L
*
IN1
H
L
*
IN2
L
H
*
IN3
H
H
L
IN4
H
H
H
IN5
C
D
E
VOUT1
L
L
*
--
H
L
*
IN2
L
H
*
IN3
H
H
L
IN4
H
H
H
IN5
C
D
E
VOUT2
L
L
*
IN1
H
L
*
--
L
H
*
IN3
H
H
L
IN4
H
H
H
IN5
10
11