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PDF SC9012 Data sheet ( Hoja de datos )
| Número de pieza | SC9012 | |
| Descripción | INFRARED REMOTE CONTROL TRANSMITTER | |
| Fabricantes | Silan Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC9012 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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SC9012
INFRARED REMOTE CONTROL TRANSMITTER OF 9012 CODE FORMAT
DESCRIPTION
SC9012 is an infrared remote control transmitter utilizing CMOS
Technology specially designed for use on infrared remote control
applications. It is capable of controlling 32 function keys and 6 double
keys. Each system has a maximum of 8 commands; thus, SC9012 can
provide up to a total of 256 commands.
The pin assignments and application circuit are optimized for easy PCB
Layout and cost saving advantage. SC9012 is housed in a 20-pins SO
package.
SOP-20-300-1.27
FEATURES
* CMOS Technology
* Low Power Consumption
* Built-in Oscillation Circuit
* Least External Components
* 32 Function Keys 8 Customer Codes Up to 256 Commands
* 6 Double Function Keys
* LED Indication of Transmission
ORDERING INFORMATION
Part
SC9012
Package
SOP-20-300-1.27
APPLICATIONS
* Infrared Remote Control Transmitter
Equipment
* Television Remote control Equipment
* VCR Remote control Equipment
* VCD, Audio Equipment
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.1 2005.12.15
Page 1 of 12
1 page  
SC9012
4. CUSTOMER CODE
There are 8 customer codes, can be selected by using the SEL pin connected with any pin of “KO0 ~ KO7”.
Please refer to follow diagram:
Connected with SEL
System Code
(S2 S1 S0
KO0
000
KO1
001
KO2
010
KO3
011
KO4
100
KO5
101
KO6
110
The Custom Code consists of 8 bits:
KO7
111
S0 S1 S2 S3 S4 S5 S6 S7
Among these, S0, S1, S2 can be selected with SEL Pin and any pin of “KO0 ~ KO7”; Bit S3 has a fixed value
of “1”; Bits S4 ~ S7 have a fixed value of “0”.
5. TRANSMISSION CODE
Refer to the above diagram, the transmission code consists of leader code, customer code, and key data code.;
The leader code consists of a 4.5 ms carrier waveform followed by a 4.5 ms OFF waveform. The 8-bits customer
code transmitted two times; The 8-bits key data code transmitted two times also, first is the origin code; second is
the inverse code.
The code uses the PPM (Pulse Position Modulation ) Method, with “0”and “1”differentiated by the time
between pulses.
The waveforms of leader code, bit “0”and bit “1”refer to follow diagram:
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.1 2005.12.15
Page 5 of 12
5 Page 
PACKAGE OUTLINE
SOP-20-300-1.27
SC9012
UNIT: mm
1.27
12.70±0.25
11.43
0.45
0.15±0.05
2.25MAX
HANDLING MOS DEVICES:
Electrostatic charges can exist in many things. All of our MOS devices are internally protected against
electrostatic discharge but they can be damaged if the following precautions are not taken:
• Persons at a work bench should be earthed via a wrist strap.
• Equipment cases should be earthed.
• All tools used during assembly, including soldering tools and solder baths, must be earthed.
• MOS devices should be packed for dispatch in antistatic/conductive containers.
Note: IC oscillator input mustn't be on the outside layer, thus to avoid the abnormal working when human body
touches the remote controller without crust in testing.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.1 2005.12.15
Page 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SC9012.PDF ] | |
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