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1618-D16-T Datasheet(PDF) 2 Page - Unisonic Technologies

Part # 1618-D16-T
Description  6 KEYS SIREN/ALARM SOUND GENERATOR
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

1618-D16-T Datasheet(HTML) 2 Page - Unisonic Technologies

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1618
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
2 of 5
www.unisonic.com.tw
QW-R502-007.E
PIN CONFIGURATION
1
2
3
4
5
6
7
8
GND
S1
S2
S6
S4
S5
S3
VDD
UTC
1618
16
15
14
13
12
11
10
9
INI
NC
BZ1
BZ2
OSC1
OSC2
NC
NC
PIN DESCRIPTIONS
PIN #
PIN NAME
I/O
DESCRIPTION
1
VDD
-
Power supply pin (+).
2
S3
I
3
S5
I
4
S4
I
5
S6
I
6
S2
I
7
S1
I
Sound selection keys. These keys connect with internal pull-down resistors.
The sound output will be enabled when a key is connected to VDD. On other
hands, the sound output will be disabled if a key is N.C. or connected to GND.
When two or more keys are selected in the same time, the sound will be
generated in cycling sequence. According to the priority of the keys,
the proirity of S1~S6 list below : S1>S2>S6>S4>S5>S3.
8
GND
-
Power supply pin (-).
9
INI
I
An internal pull-up resistor. Might disable BZ1, BZ2, when connected to GND.
10
NC
-
No connecting.
11
BZ1
O
12
BZ2
O
Audio output pins.
13
OSC1
O
14
OSC2
I
Oscillator pin with external resistor.
15
NC
-
No connecting.
16
NC
O
No connecting.


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