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參數(shù)資料
| 型號(hào)： | HT12M |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Decoder Doorbell |
| 中文描述： | 解碼器門鈴 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 92K |
| 代理商： | HT12M |
D.C. Characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
2.4
5
V
I
STB
Standby Current
5V
OSC stop amp off
0.1
1
A
5V
OSC stop amp on
10
20
A
I
DD
Operating Current
5V
No load
f
OSC
=150kHz
1.5
2
mA
I
AUD
AUD output current
5V
Transistor B load
3
5
mA
I
VT
VT Output Source Current
5V
V
OH
=4.5V
2
3
mA
VT Output Sink Current
5V
V
OL
=0.5V
2
3
mA
V
IH
High Input Voltage
5V
3.5
5
V
V
IL
Low Input Voltage
5V
0
1
V
f
OSC
Oscillator Frequency
5V
ROSC=820k
190
kHz
HT12M
Rev. 1.00
3
March 25, 2002
Functional Description
Built-in inverter amp
Trigger mode
Single tone has 4 second total length, dual tone has 1
second total length.
,
. / ,
0 1
0 1
2
3
" ,
& ,
& 4 ' ,
The Ding-Dong sound: is determined by the D8~D11 pins on the HT12E. While the Re-trigger/Non-trigger function is
determined by the D11 pin on the HT12E.
D11
D10
D9
D8
Sound
Notes
1
0
0
0
Me
1
2
0
0
1
Me Do
2
3
0
1
0
Me Do
Me Do
Repeat
4
0
1
1
Me/Do
Single tone
5
1
0
0
Me Do Re So
So Re Me Do
Westminster tune
6
1
0
1
Me/Do Do/So
Double tone
7
1
1
0
So Re Me Do
4
8
1
1
1
Me/Do Do/So
Me/Do Do/So
Dual Tone-repeat
Section time: 0.8secretary
2 = 1.6sec
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