6 KEYS SIREN/ALARM SOUND GENERATOR - Unisonic Technologies
Description
UNISONIC TECHNOLOGIES CO.
, LTD 1618
6 KEYS SIREN/ALARM SOUND GENERATOR
DESCRIPTION
The UTC 1618 is a CMOS design for 6 different alarm sounds application.
According to the priority of the select keys, the sound of UTC 1618 will be generated in cycling sequence.
FEATURES
* Auto power off function, reduce power consumption.
* Low operating voltage: 2V ~ 5V.
* On-chip RC oscillator.
* 6 different sounds.
* 6 prioritized keys for selecting 6 different sounds.
* Low stand by current.
* CMOS process.
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
1618L-D16-T
1618G-D16-T
- 1618G-S16-R
Package
DIP-16 SOP-16
CMOS IC
Packing Tube
Tape Reel
MARKING
DIP-16
SOP-16
www.
unisonic.
com.
tw Copyright © 2014 Unisonic Technologies Co.
, Ltd
1 of 5
QW-R502-007.
H
1618
PIN CONFIGURATION
VDD 1 S3 2 S5 3 S4 4 S6 5 S2 6 S1 7 GND 8
16 NC 15 NC 14 OSC2 13 OSC1 12 BZ2 11 BZ1 10 NC
9 INI
CMOS IC
PIN DESCRIPTIONS
PIN No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
PIN NAME VDD S3 S5 S4 S6 S2 S1 GND INI NC BZ1 BZ2
OSC1 OSC2
NC NC
I/O DESCRIPTION - Power supply pin (+).
I Sound selection keys.
These keys connect with internal pull-down resistors.
The I sound output will be enabled when a key is connected to VDD.
On other hands, I the sound output will be disabled if a key is N.
C.
or connected to GND.
I When two or more keys are selected in the same time, the sound will be I generated in cycling sequence.
According to the priority of the keys, the proirity of I S1~S6 list below : S1>S2>S6>S4>S5>S3.
- Power supply pin (-).
I An internal pull-up resistor.
Might disable BZ1, BZ2, when connected to GND.
- No connecting.
O Audio output pins.
O O Oscillator pin with external resistor.
I - No connecting.
O No connecting.
UNISONIC TECHNOLOGIES CO.
, LTD
www.
unisonic.
com.
tw
2 of 5
QW-R502-007.
H
1618
CMOS IC
ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage Input Voltage
VDD -0.
3 ~ 6 V VIN -0.
3 ~ VDD+0...
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