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Silan Microelectronics

SC91650B Datasheet Preview

SC91650B Datasheet

T/P DIALER WITH REDIAL & HANDFREE

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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




Silan Microelectronics

SC91650B Datasheet Preview

SC91650B Datasheet

T/P DIALER WITH REDIAL & HANDFREE

No Preview Available !

SC91650/1/2 A/B
SELECTION GUIDE
SC91650A
SC91650B
SC91651A
SC91651B
SC91652A
SC91652B
HDI
N
N
N
N
BLOCK DIAGRAM
HFI PO PMUTE
N Inverter N
Inverter
N
N Open drain N
Open drain
N
N Open drain N
Open drain
Y
KT Tone Duration
N 100mS
N 100mS
N 100mS
N 100mS
N 91mS
Y 91mS
COL4
COL1
XMUTE KT HFO HDO
Input Interface CKT.
COL5 Column interface
CKT.
OSCI
OSC.
Divider
VDD
OSCO Row Interface CKT.
VDD
Save Memory
LNB Memory
Memory
VDD
PO
Pulse Generator
Decoder & Data
Latch
Row/Column
Programming
Counter
TONE
D/A Converter
ROW1
ROW4
Input interface CKT.
HKS MODE HFI HDI
VSS
KEYBOARD ASSIGNMENT
C1 C2 C3
R1 1 2 3
R2 4 5 6
R3 7 8 9
R4 */T
0
#
1) */T: In pulse mode, execute PT function; In TONE mode, execute * key
2) SAVE: SAVE key.
3) F: Flash key
4) RD/P: Redial key/Pause key
5) ST: Store key
6) EMn: One touch memory key
7) A: Auto key for two touch memory
C4
SAVE
F
A
RD/P
C5
EM1
EM2
EM3
ST
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.06.16
Page 2 of 28


Part Number SC91650B
Description T/P DIALER WITH REDIAL & HANDFREE
Maker Silan Microelectronics
Total Page 28 Pages
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