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SC91312A PDF даташит

Спецификация SC91312A изготовлена ​​​​«Silan» и имеет функцию, называемую «(SC91310 Series) Tone / Pulse Dialer».

Детали детали

Номер произв SC91312A
Описание (SC91310 Series) Tone / Pulse Dialer
Производители Silan
логотип Silan логотип 

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SC91312A Даташит, Описание, Даташиты
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









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SC91312A Даташит, Описание, Даташиты
Silan
Semiconductors
SC91310 Series
BLOCK DIAGRAM
HKS 10
B/M 5
MODE 13
R1 15
R2 16
R3 17
R4 18
C1 1
C2 2
C3 3
C4 4
KEYBOARD
INTERFACE
DTMF 12
D/A
CONVERTER
XT XT
78
SYSTEM CLOCK
GENERATION
READ/WRITE
COUNTER
RAM
LOCATION
LATCH
CONTROL
LOGIC
PULSE
CONTROL
LOGIC
9 T/P MUTE
11 DP
ROW&COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH&
DECODER
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Value
Unit
DC Supply Voltage
VDD-VSS
-0.3~7.0
V
VIL
VSS-0.3
V
Input / Output Voltage
VIH
VOL
VDD+0.3
VSS-0.3
V
V
VOH
VDD+0.3
V
Power Dissipation
Operating Temperature
PD
Topr
120
-20~+70
mW
°C
Storage Temperature
Tstg
-55~+125
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and
reliability of the device.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1 2002.12.03
2









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SC91312A Даташит, Описание, Даташиты
Silan
Semiconductors
SC91310 Series
DC ELECTRICAL CHARACTERISTICS
(Tamb=25~70°C, VDD~VSS=2.5V, fosc=3.58MHz, all outputs unloaded)
Parameter
Symbol
Conditions
Min Typ Max Unit
Operating Voltage
VDD
2.0 -- 5.5 V
Operating Current
Tone
IOP
Pulse
-- 0.3 0.5 mA
-- 0.15 0.3 mA
Standby Current
HKS =0, No load,
ISB
& No key entry
-- -- 15 µA
Memory Retention Current
IMR HKS =1, VDD=1.0V
-- -- 0.2 µA
DTMF Output Voltage
VTO Row group, RL=5k
130 150 170 mVrms
Pre-emphasis
Col/Row, VDD=2.0~5.5V
1 2 3 dB
DTMF Distortion
THD RL=5k, VDD=2.0~5.5V
-- -30 -23 dB
DTMF OUTPUT DC Level
VTDC RL=5k, VDD=2.0~5.5V
1.0 -- 3.0 V
TMF Output Sink Current
ITL VTO=0.5V
0.2 --
-- mA
DP Output Sink Current
IPL VPO=0.5V
0.5 --
-- mA
T/P MUTE Output Sink Current IML VMO=0.5V
0.5 --
-- mA
HKS I/P Pull-high Resistor
RKH
-- 300 -- k
Keypad Input Drive Current
IKD VI=0V
30 --
-- µA
Keypad Input Sink Current
IKS VI=2.5V
200 400
--
µA
Keypad Resistance
-- -- 5.0 k
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1 2002.12.03
3










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