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PDF SC91652A Data sheet ( Hoja de datos )

Número de pieza SC91652A
Descripción T/P DIALER WITH REDIAL & HANDFREE
Fabricantes Silan Microelectronics 
Logotipo Silan Microelectronics Logotipo



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SC91650/1/2 A/B
T/P DIALER WITH REDIAL & HANDFREE,HOLD
DESCRIPTION
The SC91650A/B, SC91651A/B, SC91652A/B are 13-memory
Tone/Pulse switchable dialer with Last Number Redial(LNB) and HOLD
function, 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
* 13-memory Tone/Puls e switchable dialer
* Three 16-digit one touch memory and ten 16-digit two touch memory
One 32-digit last number redial memory
One 32-digit SAVE function for storing phone number in off hook status
Note: only 15-digit/31-digit for Tone mode, 1-digit use to identify tone
mode
* Pulse-to-tone (PT) is provided for PBX operation
* Flash key is available
* Minimum tone duration is 100ms for SC91650, SC91651 or 91ms for
SC91652
* Minimum intertone pause is 106ms for SC91650, SC91651 or 91ms for
SC91652
* Uses 3.579545MHz crystal or ceramic resonator
ORDERING INFORMATION
Device
SC91650A
SC91650B
SC91651A
SC91651B
SC91652A
SC91652B
Package
DIP-18-300-2.54
DIP-22-400-2.54
DIP-18-300-2.54
DIP-22-400-2.54
DIP-18-300-2.54
DIP-22-400-2.54
* Many options can be selected
Mode (10PPS; 20PPS; Tone)
M/B ratio (40:60;33:66)
Pause time (3.6s;2.0s)
Pulse number (n;n+1;10-n)
Flash function (RESET;digit)
(PT) pause time (3.6s;1.0s)
Flash time (80ms; 93ms; 100ms; 200ms; 300ms; 600ms)
Flash pause time (200ms; 1000ms)
* Redial pause time (1ms)
* Mixed dialing and cascade dialing is provided
* Handfree function is provided for speaker phone application
* Power on reset circuit is provided
* Hold function is provided
* Keytone is provided
* Packaged in 18-DIP or 22-DIP
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.06.16
Page 1 of 28

1 page




SC91652A pdf
SC91650/1/2 A/B
(Continued)
Characteristics
Pulse Mode
Pulse Output Pin Leakage
Current
Pulse Output Pin Sink Current
Symbol
Conditions
Ipoh Vpo=2.0V(SC91650 only)
Ipol Vpo=0.5V
Pulse Rate
fpr
Make/Break Ratio
Pre-digit Pause
Inter-digit Pause
Tone Mode
DC Level
Tone
Sink Current
Output Pin AC level
Load Resistor
DTMF Pre-emphasis
Signal
Distortion
Minimum tone duration Time
(note 3)
Minimum Intertone Pause
Time(note 3)
tM tB
tPDP
tIDP
M/B ratio=40:60
M/B ratio=33:66
Pulse rate=10pps
Pulse rate=20pps
Vdc
Itl
Vdtmf
RI
twist
Dist.
VDD=2.0V~5.5V
Vdtmf=0.5V
Row group RL=5K
Dist.-23dB
VDD=2.0~5.5 V,
Column-Row group
RL=5K
tTD Auto redial
tITP Auto redial
Min. Typ. Max. Unit
0.2 --
-- mA
0.2 --
-- 10
-- 20
-- 40:60
-- 33:66
-- 40
-- 33
-- 800
-- 500
--
--
--
--
--
--
--
--
--
mA
pps
%
ms
ms
0.5VDD -- 0.7VDD V
0.2 --
-- mA
130 155 180 mVrms
5 -- -- K
1 2 3 dB
-- -30 -23 dB
-- 100 -- ms
-- 91 -- ms
-- 106 -- ms
-- 91 -- ms
Note: 1. Vn: Input voltage of any keyboard scanning pin (Row group, Column group)
2.Distortion (dB) = 20log{[V12+V22+V32+… Vn2)1/2]/[(VL2+VH2)1/2]}
VL,VH: Row group and Column group signal , V1,V2… ,Vn: Harmonic signal (BW = 300Hz ~ 3500Hz)
ACTUAL FREQUENCY OUTPUT (fosc=3.579545MHz)
Keyboard Scanning Pin
R1 f1
R2 f2
R3 f3
R4 f4
C1 f5
C2 f6
C3 f7
Standard(Hz)
697
770
852
941
1209
1336
1477
Output
699
766
848
948
1216
1332
1472
Deviation(%)
+0.28
-0.52
-0.47
+0.74
+0.57
-0.30
-0.34
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.06.16
Page 5 of 28

5 Page





SC91652A arduino
SC91650/1/2 A/B
C Redial
LNB : D1, D2… , Dn
Procedure
: RD
Dial out
: tRP, Dt1, Dt2… , Dtn (In Tone mode)
Dial out
: tRP, Dp1, Dp2,… , Dpn (in Pulse mode)
Note: If key in digit over maximum digit stored in LNB, then RD is inhibit.
D Pause Function
Procedure
: D1, D2… , Dn, P, C1 … , Cn
Dial out
Dial out
LNB
: Dt1, Dt2 ,… , Dtn, tP, Ct1, Ctn (in Tone mode)
: Dp1, Dp2, … Dpn , tP, Cp1 … , Cpn (in Pulse mode)
: D1, D2… , Dn, P , C1, C2 … , Cn
E Flash Function
1. Reset
Procedure
Dial out
Dial out
LNB
2 Digit
Procedure
Dial out
Dial out
LNB
: D1, D2… , Dn, F, C1 … , Cn
: Dt1, Dt2,… , Dtn , t F, tFP, Ct1 … , Ctn (in Tone mode)
: Dp1, Dp2,… , Dpn , tF, tFP, Cp1 … , Cpn (in Pulse mode)
: C1, C2 … , Cn
: D1, D2… , Dn, F, C1 … , Cn
: Dt1, Dt2,… , Dtn , t F, tFP, Ct1 … , Ctn (in Tone mode)
: Dp1, Dp2,… , Dpn , tF, tFP, Cp1 … , Cpn (in Pulse mode)
: D1, D2 … , Dn
F One Touch Memory Function
1. Store Memory
Procedure
: ST, D1, D2… , Dn, ST, EMn
Dial out
: Nothing
EMn = D1, D2,… … Dn
Procedure
: ST, D1, D2… … ,F, … … Dn, ST, EMn
Dial out
: Nothing
EMn = D1, D2,… … ,F, … … Dn
Procedure
: ST, D1, D2… … ,P, … … Dn, ST, EMn
Dial out
: Nothing
EMn = D1, D2,… … ,P, … … Dn
Procedure
: ST, D1, D2… … ,PT, … … Dn, ST, EMn
Dial out
: Nothing
EMn = D1, D2,… … , PT, … … Dn
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.06.16
Page 11 of 28

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