Rato
Features
Low Operationg Voltage 2V ~ 5V
CMOS process
On-Chip RC oscillator
6 different sounds
Low stand by current
RT0608
The RT0608 is a CMOS Design for six different alarm sounds application. The sound
of RT0608 will be generated in cycling sequence.
Pin Diagram
OSC2
OSC1
INI
GND
1
2
3
4
8
7
6
5
NC
VCC
BZ2
BZ1
RT0608
Pin Out And Description
Symbol
OSC2
OSC1
INI
GND
BZ1
BZ2
VCC
NC
Description
Oscillator pin with external resistor.
An internal pull-up resistor. Might disable
Sound out of BZ1,BZ2 while connected GND.
Ground
SIREN sound output pin.
Power pin.
No connecting
Pin
1
2
3
4
5
6
7
8
I/O
O
I
I
O
O
Electrical Characteristics
Parameter
Operating Voltage
Stand-By Current
Operating Current
BZ1, BZ2
Driving Current
Operating Frequency
Symbol
Vcc
Isb
Iop
Ioh
Iol
Fop
Min.
2.0
1.0
1.0
70
Vcc=3V , Temp=25
Max.
Unit
Typ.
V
3.0
5.0
uA
10
20
uA
300
500
mA
mA
KHz
80
128
Absolute Maximum Ratings
Symbol
Vcc
Vi
Vo
Tst
Ttp
Parameter
Supply Voltage
Input Voltage
Output Voltage
Storage Temperature
Operating Temperature
Rating
-0.3 ~ 6
-0.3 ~ Vcc +0.3
-0.3 ~ Vcc +0.3
-40 ~125
0 ~ 65
Unit
V
V
V
2000.04.11
1
6 Tones Siren/Alarm Sound Generator
1
