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PDF SC9102C Data sheet ( Hoja de datos )
| Número de pieza | SC9102C | |
| Descripción | T/P SWITCHABLE DIALER WITH REDIA FUNCTION | |
| Fabricantes | Silan Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC9102C (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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SC9102C/D
T/P SWITCHABLE DIALER WITH REDIA FUNCTION
DESCRIPTION
The SC9102C/D are Tone/Pulse switchable dialer which are fabricated
in COMS technology with wide operating voltage for both tone and pulse
mode, and consumes very low memory retention current in on hook state.
FEATURES
* Tone/Pulse switchable dialer
* One 32-digit last number redial memory
* Pulse-to-tone (P→T) is provided for PBX operation
* Flash key is available
* Minimum tone duration is 100ms
* Minimum intertone pause is 106ms
* Uses 3.579549MHz crystal or ceramic resonator
* Redial Pause time (0ms)
* Mixed dialing
* Power on reset circuit is provided
* Many options can be selected
Mode (10PPS; 20PPS; Tone)
M/B ratio (40:60;33:66)
Pause time (3.6ms)
* Flash function (RESET)
(P→T) pause time (3.6ms)
Flash time (600/100ms)
Flash pause time (0ms)
* Packaged in 18-pin plastic DIP
DIP-18-300-2.54
ORDERING INFORMATION
Part
SC9102C
SC9102D
Package
DIP-18-300-2.54
DIP-18-300-2.54
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.0 2004.08.03
Page 1 of 15
1 page  
SC9102C/D
PIN DESCRIPTION
Pin No. Pin Name
Description
15 C1 *Provides keyboard scanning.
* HKS pin is LOW, the column group stays in “HIGH”and row group stays in “LOW”
state.
16 C2 *The keypad is compatible with the standard dual contact matrix keyboard (as
figure1b), the inexpensive single contact keyboard (as figure 1a), and electronic input
17 C3 (as figure 1c).
*When HKS is “LOW”, a valid key entry is defined by related Row & Column
connection or by electronic input.
18 C4 *Activation of two or more keys will result in no response, except for single key.
*To avoid keyboard-bouncing error, this chip provides built-in debounce circuit. (The
debounce time = 20ms)
1 R1
Row
Column
Row
Column
2 R2
Figure1a: Single contact form
keyboard configuration
Figure1b: Dual contact form
keyboard configuration
3 R3
4 R4
Row
VDD
VSS
Column
VDD
VSS
Figure1c: Electronic signal input keyboard configuration
*Oscillator input & output pins.
8 OSCI *The 3.579545MHz oscillator is formed by a built-in inverter inside of this chip and by
connecting a 3.579545MHz crystal or a ceramic resonator across the OSCI and
OSCO pins. (built-in feedback resistor and capacitor)
9 OSCO *When HKS is “LOW”, a valid key-in may turn on this oscillator and generates a
3.579545 MHz clock.
*Mute output pins.
*NMOS open drain output structure.
13 XMUTE *The output is in “LOW”state during dialing sequence (both Pulse and Tone mode)
otherwise this pin is “high-impedance”.
*Long (continue) Mute.
11 VSS *Negative power supply pin.
10 VDD *Positive power supply pin.
*Hook switch input pin.
*When the handset is in ON-HOOK state, this pin must be pulled “high”in order to
5 HKS disable the dialing operation and decrease the power consumption.
*When in OFF-HOOK state, the HKS pin must be pulled “low”state for all function
operation.
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.0 2004.08.03
Page 5 of 15
5 Page 
TIMING DIAGRAMS (continued)
SC9102C/D
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.0 2004.08.03
Page 11 of 15
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet SC9102C.PDF ] | |
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