IL91210EN
T
ONE
/P
ULSE
D
IALER
The IL91210EN is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a
3.58 MHz crystal or ceramic resonator. It provides dialing pulse (DP) or dual tone multi-frequency
(DTMF) dialing. A standard 4x4 matrix keyboard can be used to support either DP or DTMF modes.
Up to 32 digits can be saved in the on-chip RAM for reading. In the DTMF mode, minimum tone
duration and minimum intertone pause are provided for rapid
dialing. Maximum tone duration is dependent upon the key
depression time in manual dialing.
鈥?/div>
One touch redial operation
鈥?/div>
Tone/Pulse switchable
鈥?/div>
32-digit capacity for redialing
鈥?/div>
Built-in power up reset circuit
鈥?/div>
PABX auto-pause is 2.2 second
ORDERING INFORMATION
鈥?/div>
DTMF Timing:
IL91210EN
Manual dialing: minimum duration for bursts and pauses
T
A
= -20擄 to 70擄 C
Redialing: calibrated timing
鈥?/div>
Wide operating voltage range: 2 V to 5.5 V
鈥?/div>
Uses inexpensive ceramic resonator (3.58 MHz)
鈥?/div>
Digits dialed manually after redialing are cascadable and stored as additional digits for the next
redialing
鈥?/div>
Automatic mixed redialing (last number redial) of pulse to DTMF with multiple automatic access
pauses
鈥?/div>
Four extra function keys: flash, pause, redial and DP or DTMF mixed dialing
鈥?/div>
Four-by-four (or 2 of 8) keyboard can be used
鈥?/div>
Low standby current
鈥?/div>
Dial Pulse Rate: 10 pps
DC ELECTRICAL CHARACTERISTICS(V
CC
=3.5 V,F
OSC
=3.579 MHz, T
OP
=+25擄C)
Symbol
Parameter
Test Conditions
Guaranteed Limits
Min
V
CC
V
MR
V
OC
V
OR
I
OL1
I
OL2
I
MR
I
CCP
I
CCT
I
SBP
I
SBT
DC Supply Voltage
Minimum Memory
Retention Voltage
2.0
1.0
Column
Row
V
OL
= 0.4 V
V
OL
= 0.4 V
V
CC
= 1.0 V, HK = V
CC
All outputs unloaded
Pulse mode
Tone mode
Pulse mode
HK=V
CC
=1.5 V
Tone mode
HK=GND
Max
5.5
V
V
876
684
mA
mA
0.6
1.0
2.0
0.05
碌A(chǔ)
mVp-p
Unit
Tone Output Voltage
Minimum Output Current,
XMUTE, KT, MODEOUT
Minimum Output Sink
Current, DP
Memory Retention Current
V
CC
= 3.5 V
R
L
= 5K鈩?/div>
584
456
0.5
0.6
Maximum Operation
Current
All outputs
unloaded
All outputs
unloaded.
No key
selected
mA
Maximum Standby
Current
碌A(chǔ)
15
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61,
277 69 16
E-mail: belms@belms.belpak.minsk.by
URL: www.bms.by
IL91210EN相關(guān)型號PDF文件下載
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