參數(shù)資料
型號(hào)： HT9302B
廠商： Holtek Semiconductor Inc.
英文描述： 1-Memory/2-Memory Tone/Pulse Dialer
中文描述： 1-Memory/2-Memory音頻/脈沖撥號(hào)器
文件頁數(shù)： 5/27頁
文件大?。?/td> 284K
代理商： HT9302B
Absolute Maximum Ratings
Supply Voltage ........................................... 0.3V to 6V
Storage Temperature ........................... 50 C to 125 C
Input Voltage .............................. V
SS
0.3 to V
DD
+0.3V
Operating Temperature .......................... 20 C to 75 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
Electrical Characteristics
f
OSC
=3.5795MHz, Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
2
5.5
V
I
DD
Operating Current
2.5V
Pulse
Off-hook
Keypad entry
No load
0.2
1
mA
Tone
0.6
2
mA
I
STB
Standby Current
1V
On-hook, no load
No entry
1
A
V
R
Memory Retention Voltage
1
5.5
V
I
R
Memory Retention Current
1V
On-hook
0.1
0.2
A
V
IL
Input Low Voltage
V
SS
0.2V
DD
V
V
IH
Input High Voltage
0.8V
DD
V
DD
V
I
XMO
XMUTE Leakage Current
V
XMUTE
=12V
No entry
1
A
I
OLXM
XMUTE Sink Current
2.5V V
XMUTE
=0.5V
1
mA
I
HKS
HKS Pin Input Current
2.5V V
HKS
=2.5V
0.1
A
R
HFI
HFI Pull-low Resistance
2.5V V
HFI
=2.5V
200
k
R
HDI
HDI Pull-high Resistance
2.5V V
HDI
=0V
200
k
I
OH1
Keypad Pin Source Current
2.5V V
OH
=0V
4
40
A
I
OL1
Keypad Pin Sink Current
2.5V V
OL
=2.5V
200
400
A
I
OH2
HFO Pin Source Current
2.5V V
OH
=2V
1
mA
I
OL2
HFO Pin Sink Current
2.5V V
OL
=0.5V
1
mA
I
OH3
HDO Pin Source Current
2.5V V
OH
=2V
1
mA
I
OL3
HDO Pin Sink Current
2.5V V
OL
=0.5V
1
mA
t
FP
Pause Time After Flash
Control key
0.2
s
Digit key
1
t
RP
One-key Redialing Pause Time
One-key redialing
1
s
t
DB
Key-in Debounce Time
20
ms
t
BRK
Break Time for One-key Redialing
One-key redialing
1.2
s
f
OSC
System Frequency
Crystal=3.5795MHz
3.5759
3.5795
3.5831
MHz
HT9302 Series
Rev. 1.20
5
September 30, 2002
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT9302BLT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer
HT9302BT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer
HT9302C 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:1-Memory/2-Memory Tone/Pulse Dialer
HT9302CLT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer
HT9302CT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer
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