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SC91214A PDF даташит

Спецификация SC91214A изготовлена ​​​​«Silan Microelectronics» и имеет функцию, называемую «TONE/PULSE DIALER».

Детали детали

Номер произв SC91214A
Описание TONE/PULSE DIALER
Производители Silan Microelectronics
логотип Silan Microelectronics логотип 

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SC91214A Даташит, Описание, Даташиты
SC91214/91215 SERIES
T/P SWITCHABLE DIALER WITH REDIAL HANDFREE FUNCTION
DESCRIPTION
The SC91214/15 Series is a single-chip, silicon gate, CMOS
integrated circuit with an on-chip oscillator for a 3.58MHZ crystal or
ceramic resonator. It provides a dialing pulse (DP) or dual tone multi-
frequency (DTMF) dialing. A standard 4 X4 matrix keyboard can be used
to support either DP or DTMF modes.
FEATURES
* One touch redial operation
* Tone/Pulse switchable
* 32 digit capacity for redialing
* Automatic mixed redialing (last number redial) of pulse to DTMF with
multiple automatic access pauses
* PABX auto-pause is 2.2 seconds
ORDERING INFORMATION
* DTMF Timing:
Manual dialing: minimum duration for bursts and pauses
Redialing: calibrated timing
* Hands-Free control function
* Wide operating voltage range: 2V to 5.5V
* Key-in beep tone output
Part
SC91214/15A
SC91214/15B
SC91214/15C
SC91214/15D
Package
DIP-16 Package
DIP-18 Package
DIP-18 Package
DIP-20 Package
* Digits dialed manually after redialing are cascadable and stored as
additional digits for the next redialing
* Uses inexpensive ceramic resonator (3.58 MHZ)
* Two versions for different telephone systems
* Built-in power up reset circuit
* Four extra function keys: flash, pause, redial and DP or DTMF mixed
dialing
* 4 X 4 (or 2 X 8) keyboard can be used
* Low standby current
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.08.03
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SC91214A Даташит, Описание, Даташиты
BLOCK DIAGRAM
SC91214/91215 SERIES
ABSOLUTE MAXIMUM RATING (Tamb=25°C, All voltage referenced to VSS, unless otherwise specified)
Characteristics
Power Supply Voltage
Input Voltage
Output Voltage
Output Voltage (DP, XMIT MUTE)
Tone Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VDD
VIN
VOUT
VOUT
ITONE
PD
Topr
Tstg
Value
6.0
-0.3~VDD+0.3
-0.3~VDD+0.3
1.2
50
500
-25~+70
-55~+150
Unit
V
V
V
V
mA
mW
°C
°C
Note: Stresses above those listed under “Absolute Maximum Ratings”may cause permanent damage to this
device. These are stress ratings only. Functional operation of this device at these or any other conditions
above those indicated in the operational sections of this specification is not implied or intended. Exposure
to the absolute maximum rating conditions for extended periods may affect device reliability.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.08.03
Page 2 of 16









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SC91214A Даташит, Описание, Даташиты
SC91214/91215 SERIES
AC ELECTRICAL CHARACTERISTICS (Top=25°C, VDD=3.5V, VSS=0V, fosc=3.579545MHz, All voltage
referenced to VSS, unless otherwise specified)
Characteristics
Symbol
Conditions
Min. Typ. Max. Unit Test
KT.
Operating Voltage
Tone mode
VDD
Pulse mode
2.0 -- 5.5
V
2.0 -- 5.5
A
Memory Retention Voltage VMR
1 V --
Memory Retention Current
VDD=1.0V, HK =VDD
IMR
All outputs unloaded
0.05 0.4 µA --
Operating Current
IDDP Pulse mode
IDDT Tone mode
All outputs unloaded
0.32 1.0
0.6 2.0
mA
A
Standby Current
HK =VDD=1.5V All outputs unloaded,
ISO
HK =VSS
no key selected
0.03 0.05
µA
0.5 10
A
Input Voltage
VIH
VIL
0.8 1
VDD
0 0.2
R1 - R4 Input Current
IR
115 µA C
Tone out Voltage
VOC Column
VOR Row
584 730 876
VDD=3.5V, RL=5K
mVp-p D
456 570 684
HFI Pull Low Current
VDD=3.5V (Note 1)
| IHFI |
HFI pin connected to 0V
5 µA B
HFO Drive Current
VDD=3.5V
| IOH1 |
VOH=VDD-0.4V
0.4 2
mA B
HFO, KT , MODEOUT
XMITMUTE Sink Current
VDD=3.5V
IOL1
VOL=0.4V
0.9 5.3
mA B
DP Sink Current
IOL2 VDD=3.5V, VOL=0.4V
1.1 5.3
mA B
Distortion
DIS% * see note below
1 5%
* Note:
DIS%
=
100
X
(
2
V1
+
2
V2
+
+
2
Vn
)1/2
(VIL2 + VIH2 )1/2
1. V1 Vn are the intermediation or the harmonic frequencies in the 500Hz to 3400Hz band.
2. VIL and VIH are the individual frequency components of the DTMF signal.
AC CHARACTERISTICS (Top=25°C, VDD=3.5V, VSS=0V, fosc=3.579545MHz, All voltage referenced to VSS,
unless otherwise specified)
Characteristics
Make Time
Symbol
TM
Conditions
10pps
M/B=1/2
M/B=2/3
20pps
M/B=1/2
M/B=2/3
Min.
Typ.
33.3
40.0
16.7
20.0
Max. Unit
ms
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.08.03
Page 3 of 16










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