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參數(shù)資料
| 型號： | MK53761N00 |
| 廠商： | 意法半導體 |
| 英文描述： | REPERTORY DIALER |
| 中文描述： | 劇目撥號器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 199K |
| 代理商： | MK53761N00 |
MK53761
July 1993
REPERTORY DIALER
.
SINGLECHIP DTMF ANDPULSEDIALER
.
SOFTSWITCH CHANGES SIGNALING MODE
FROM PULSETO TONE
.
NINE NUMBER REPERTORY PLUS RECALL
OF LAST NUMBER DIALED(18 digits each)
.
FLASH KEY INPUT INITIATES TIMED HOOK
FLASH
.
8 TONE PER SECOND DIALING IN TONE
MODE AND 10 PPSIN PULSE MODE
.
DTMF ACTIVE UNTIL KEYRELEASE
.
MINIMUM DTMF DURATION/SEPARATION
GUARANTEED (74/54 ms)
.
PACIFIER TONE PROVIDES AUDIBLE INDI-
CATION OF VALID KEY INPUT FOR NON-
DTMF KEYENTRIES
.
POWERED FROM TELEPHONE LINE, LOW
OPERATINGVOLTAGEFOR LONGLOOPAP-
PLICATIONS
DESCRIPTION
The MK53761is a Silicon Gate CMOS IC that pro-
videsnecessarysignalsforeitherDTMForloopdis-
connect(pulse)dialing. The MK53761buffersup to
18 digitsintomemory thatcan belaterredialedwith
a single key input. Up to nine repertory numbers
maybestored. Users canstoreall12signalingkeys
andaccessseveraluniquefunctionswithsinglekey
entries. These functionsinclude : LastNumber Di-
aled (LND), Softswitch,and Flash. Figure 2 shows
the keypadconfiguration.
A LNDkey inputautomaticallyredials the last num-
ber dialed. ThePROG keyprovides an easyway to
program a number into any memory location (1-9)
whetheron-hook on off-hook.The MEM key allows
easy redialing of the number stored in memory lo-
cations(1-9).
The FLASH key simulates a 560 ms hook flash to
transfer calls or to activate other special features
providedby the PABX or a centraloffice.
DIP18
SO20
Figure 1 :
PinConnections.
V+
MODE
C1
C2
C3
OSC1
V-
OSC2
C4
1
3
2
4
5
6
7
8
9
DTMF OUTPUT
PACIFIER TONE/
CHIP DISABLE
MUTE OUTPUT
R3
R4
R2
R1
HKS
PULSE OUTPUT
18
17
16
15
14
12
13
11
10
D93TL017
DIP18
ORDERING NUMBERS :
MK53761N00
MK53761D
V+
MODE
C1
C2
C3
OSC1
V-
OSC2
C4
DTMF OUTPUT
PACIFIER TONE/
CHIP DISABLE
MUTE OUTPUT
R3
R4
R2
R1
HKS
PULSE OUTPUT
1
3
2
4
5
6
7
8
9
18
17
16
15
14
12
13
11
19
10
20
N.C.
N.C.
D93TL018
SO20
1/11
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