1812A/1812B/1813
PIN CONFIGURATIONS
DIP-8/SOP-8
V
SS
OUT
OUT
LED
1
2
3
8
7
OSC1
OSC2
CMOS IC
DIP-8/SOP-8
TEST3 1
LED 2
V
DD
3
KEY 4
DIP-14
14 ENV
13 OUT
12 OUT
UTC
1813
11 NC
10 NC
9
V
SS
UTC
1812A
6
KEY
V
DD
4
5
OSC2 5
OSC1 6
TEST1 7
8 TEST2
PIN CONFIGURATIONS
PIN NO.
1812A 1812B 1813
1
1
9
2
2
12
3
3
13
4
-
2
-
4
14
5
5
3
6
6
4
7
7
5
8
8
6
-
-
7
-
-
8
-
-
1
-
-
10,11
SYMBOL
V
SS
OUT
OUT
LED
ENV
V
DD
KEY
OSC2
OSC1
TEST1
TEST2
TEST3
NC
DESCRIPTION
Negative power supply, GND
Sound output pad, out of phase to pad 3
Sound output pad
LED flash output pad
Sound envelope control pad
Positive power supply
Key input pad, low active
Oscillator output pad
Oscillator input pad
For IC test only
For IC test only
For IC test only
No connection
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 7
QW-R502-006.F