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參數(shù)資料
| 型號： | HT93214AT |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 1-memory Tone/Pulse Dialer |
| 中文描述： | 1內(nèi)存音頻/脈沖撥號器 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 194K |
| 代理商： | HT93214AT |
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
T
FP
Pause Time After Flash
2.5V
800
ms
T
RP
One-key Redialing Pause Time
2.5V
800
ms
F
OSC
System Frequency
3.58
MHz
T
DB
Key-in Debounce Time
2.5V
20
ms
T
BRK
BreakTimeForOne-keyRedialing 2.5V
2.2
s
T
HKDL
Off-hook Delay Time
2.5V
10pps
800
ms
20pps
500
Pulse Mode Electrical Characteristics
F
OSC
=3.5795MHz, Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
I
POH
PO Output Source Current
2.5V V
OH
=2V
0.2
mA
I
POL
PO Output Sink Current
2.5V V
OL
=0.5V
0.2
0.6
mA
P
R
Pulse Rate
MODE pin is
connected to V
DD
10
pps
MODE pin is opened
20
M/B
Make/Break Ratio
33:66
%
T
PDP
Pre-digit-pause Time
M/B=33:66 (10 pps)
33
ms
M/B=33:66 (20 pps)
17
T
IDP
Inter-digit-pause Time
10 pps
800
ms
20 pps
500
T
M
Pulse Make Duration
10 pps, M/B=1/2
33.3
ms
20 pps, M/B=1/2
16.7
T
B
Pulse Break Duration
10 pps, M/B=1/2
66.6
ms
20 pps, M/B=1/2
33.3
T
P
Pause Time
2.2
s
Tone Mode Electrical Characteristics
F
OSC
=3.5795MHz, Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
TDC
DTMF Output DC Level
No load
0.45V
DD
0.7V
DD
V
I
TOL
DTMF Sink Current
2.5V V
DTMF
=0.5V
0.1
mA
V
TAC
DTMF Output AC Level
Row group,
R
L
=5k
0.12
0.155
0.18
Vrms
R
L
DTMF Output Load
2.5V THD
23dB
5
k
A
CR
Column Pre-emphasis
2.5V Row group=0dB
1
2
3
dB
THD
Tone Signal Distortion
2.5V R
L
=5k
30
23
dB
T
TMIN
Minimum Tone Duration
Auto-redial
94
ms
T
ITPM
Minimum Inter-Tone Pause
Auto-redial
96
ms
THD (Distortion) (dB) = 20 log ( V1
V2
.... Vn
2
2
2
/
Vi
Vh
2
2
)
Vi, Vh: Row group and column group signals
V1, V2, ... Vn: Harmonic signals (BW=300Hz~3500Hz)
HT93214 Series
Rev. 1.10
5
October 2, 2002
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT93214B | 1-memory Tone/Pulse Dialer |
| HT93LC46 | 1K 3-Wire CMOS Serial EEPROM(1K CMOS 三線控制串行EEPROM) |
| HT93LC56 | 2K 3-Wire CMOS Serial EEPROM |
| HT93LC66 | 4K 3-Wire CMOS Serial EEPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT93214B | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:1-memory Tone/Pulse Dialer |
| HT93214BL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| HT93214BLT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| HT93214BT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| HT93214C | 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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