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Silan Microelectronics - TONE/PULSE DIALER

Numéro de référence SC91215
Description TONE/PULSE DIALER
Fabricant Silan Microelectronics 
Logo Silan Microelectronics 





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SC91215 fiche technique
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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