(No.22023)1-43
6.21 MM1613DN-X (IC682) : Regulator
• Pin layout
• Block diagram
• Pin function
6.22 MM74HC08SJ-X (IC612) : Quad. 2-input AND gates
• Pin layout & Block diagram
6.23 MM74HCT32MTC-X (IC521) : OR gate
• Pin layout & Block diagram
• Truth table
1
(TOP VIEW)
2
3
5
4
Bias
Driver
Current
limiter
Thermal
shutdown
Reference
GND
Vin
Cont
Cn
Vout
5
1
2
3
4
Pin No.
Symbol
Function
1
Cont
ON/OFF Control pin
Cont pin must be connected with VIN pin, if it is not used.
2
GND
Ground
3
Cn
Noise decrease pin, Connecting 0.01uF capacitor can decrease output noise.
4
Vout
If the noise decrease capacitor is not connected, the pin may be influenced by outside noise.
Output pin, The capacitor must be connected with output pin more than 1uF.
5
Vin
Input pin
The capacitor is required to connect with input pin more than 1uF.
Cont
H
L
Vo
ON
OFF
A1
B1
Y1
A2
B2
Y2
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
B4
A4
Y4
B3
A3
Y3
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
14
13
12
11
10
9
8
GND
V
CC
4B
4A
4Y
3B
3A
3Y
(TOP VIEW)
INPUTS
OUTPUT
A
B
Y
L
L
L
L
H
H
H
L
H
H
H
H