參數(shù)資料
型號: HT93214BT
英文描述: Tone/Pulse Telephone Dialer
中文描述: 音頻/脈沖電話撥號器
文件頁數(shù): 7/22頁
文件大?。?/td> 284K
代理商: HT93214BT
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
Tone
0.2
1
mA
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
KeypadPinSourceCurrent 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
0.2
s
T
RP
Pause Time for One-key
Redialing
One-key redialing
1
s
T
F
Flash Time
0.3
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
HT9320F
7
January 12, 2000
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