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PDF SC91314 Data sheet ( Hoja de datos )

Número de pieza SC91314
Descripción (SC91310 Series) Tone / Pulse Dialer
Fabricantes Silan 
Logotipo Silan Logotipo



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No Preview Available ! SC91314 Hoja de datos, Descripción, Manual

Silan
Semiconductors
SC91310 Series
TONE / PULSE DIALER WITH
REDIAL FUNCTION
DESCRIPTION
The SC91310 series are monolithic ICs that provide the necessary
signals for either pulse or tone dialing. The SC91310 series feature a
redial memory.
FEATURES
*DTMF / Pulse switchable dialer
*32 digits for redial memory
*pulse-to-tone (PT) keypad for long distance call operation
*Break / Make ratio is selectable by pin option
*Uses 4x4 keyboard
*Easy operation with redial, flash, pause, and PT keypads
*Flash, pause, PT (pulse-to tone) can be stored as a digit in
memory
*Minimum tone output duration:100ms
*minimum intertone pause: 100ms
*On-chip power-on reset
*Uses 3.579545 MHz crystal or ceramic resonator
*Packaged in 18-pin plastic DIP
DIP-18
ORDERING INFORMATION (The different dialers in the SC91310 series are shown in the following table)
Type No.
Pulse(pps)
Flash(ms)
Flash pause(ms)
Pause(s)
SC91312/A
10/20
600/300
600/300
2.0
SC91314/A
10/20
73/100
140/100
3.6
SC91316
10/20
600
600 3.6
PIN CONFIGURATIONS
C1 1
18 R4
C2 2
17 R3
C3 3
16 R2
C4 4
15 R1
B/M 5
14 VDD
SC91310
VSS 6
13 MODE
XT 7
XT 8
m T/P MUTE 9
12 DTMF
11 DP
10 HKS
u.coHANGZHOU SILAN MICROELECTRONICS CO.,LTD.
t4 Rev: 2.1
www.datashee 1
2002.12.03

1 page




SC91314 pdf
Silan
Semiconductors
SC91310 Series
PIN DESCRIPTION
Pin No. Pin Name I/O
1~4
&
15~18
Column-
Row Inputs
I
7,8
XT, XT
I,O
9
T/P MUTE
O
13
MODE
I
10
HKS
O
11 DP O
12
DTMF
O
14,6
5
VDD, Vss
B/M
I
I
Description
The keyboard input may be from either the standard 4x4 keyboard or an
inexpensive single contact (form A) keyboard. Electronic input from a µC can
also be used. A valid key entry is defined as a single row being connected to a
single column.
A built-in inverter provides oscillation with an inexpensive 3.579545 MHz crystal
or ceramic resonator.
The T/P MUTE is a conventional CMOS N-channel open drain output. The
output transistor is switched on during pulse and tone mode dialing sequence
and flash break. Otherwise, it is switched off.
Pulling mode pin to Vss places the dialer in tone mode. Pulling mode pin to VDD
places the dialer in pulse mode (10 pps). Leaving mode pin floating places the
dialer in pulse mode (20 pps).
Hook switch input. HKS = 1: On-hook state. Chip in sleeping mode, no
operation. HKS = 0: Off-hook state. Chip enabled for normal operation. The
HKS pin is pulled to VDD by an internal resistor.
N-channel drain dialing pulse output (Figure 1). Flash key will cause DP to go
active in both pulse mode and tone mode.
In pulse mode, remains in low state at all times. In tone mode, outputs a dual or
single tone. Detailed timing diagram for tone mode is shown in Figure 2(a, b).
Output Frequency(Hz)
Specified
Actual
Error %
R1 697 699 +0.28
R2 770 766 -0.52
R3 852 848 -0.47
R4 941 948 +0.74
C1
1209
1216
+0.57
C2
1336
1332
-0.30
C3
1477
1472
-0.34
Power input pins.
The break make ratio is 60:40 if /M = 1 and is 66.6:33.3 if B/M = 0. This pin has
no function in DTMF mode.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1 2002.12.03
5

5 Page





SC91314 arduino
Silan
Semiconductors
SC91310 Series
TYPICAL APPLICATION CIRCUIT
Tip
VR1
250V
Ring
123
456F
7 8 9 P-->T
* 0 # R/P
D1~D4
IN4004
R5 10M
1A Bridge
On Hook
R7
1M
Q3 9013
R8
300K
R3
33K
Off Hook
R1
D5
IN4148
R9
470K
R4
33K
Q2
A42
μC1
100 F
R6
3K
D7
IN4148
D8 5V1
μ
15 R1
14 11
VDD
DP
10 12
HKS
DTMF
16 R2
17 R3
SC91310 SERIES
R10 10K
μC4 4 F
Q4
C1815
R11
75K
MODE 13
18 R4 C1 C2 C3 C4 B/M
12345
VSS
6
XT XT
78
T/P MUTE
9
X1
3.58MHz
R18 22K VDD
C5
VDD 30pF
C6
30pF
VDD
PULSE
TONE
SPEECH
NETWORK
Q7
9013
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1 2002.12.03
11

11 Page







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