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參數(shù)資料
| 型號(hào)： | HT818D0(20SOP) |
| 英文描述： | Speech Synthesizer |
| 中文描述： | 語(yǔ)音合成器 |
| 文件頁(yè)數(shù)： | 4/14頁(yè) |
| 文件大?。?/td> | 202K |
| 代理商： | HT818D0(20SOP) |
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Pad No.
Pad Name
I/O
Internal
Connection
Description
8
FLAG1
O
NMOS
Open Drain
3HzB/6HzB flash output, busy output,
end-pulse or voice output indication (by mask
option). Open drain, active low output.
9
VSS
Negative power supply, ground
10
FLAG2
O
NMOS
Open Drain
3Hz/6Hz flash output or busy output (by mask
option). Open drain, active low output.
11~19
KEY1~KEY9
I
Pull-high
Trigger key, low active. Key features such as
debounce time, pull-high resistance and repeat
are all by mask option.
Absolute Maximum Ratings
Supply Voltage ................................ 0.3V to 6V
Storage Temperature ................ 50 C to 125 C
Input Voltage.................V
SS
0.3V to V
DD
+0.3V
Operating Temperature ............. 20 C to 70 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maxi-
mum Ratings
may cause substantial damage to the device. Functional operation of this de-
vice at other conditions beyond those listed in the specification is not implied and prolonged
exposure to extreme conditions may affect device reliability.
Electrical Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
3.6
5.0
V
I
DD
Operating Current
3V
No load
200
400
A
I
STB
Standby Current
3V
1
3
A
I
O
Max. AUD Output Current
3V
V
OH
=0.6V
1.5
2
mA
I
OL
FLAG Sink Current
3V
V
OL
=0.3V
1.5
3.0
mA
V
IH
H Input Voltage
0.8V
DD
V
DD
V
V
IL
L Input Voltage
0
0.2V
DD
V
f
OSC
Oscillating Frequency
3V
R
OSC
=530k
76
96
116
kHz
HT818D0
4
March 15, 2000
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