SC9148B Silan, SC9148B Datasheet
SC9148B
Available stocks
Related parts for SC9148B
SC9148B Summary of contents
Page 1
... INFRARED REMOTE CONTROL TRANSMITTER USED TOGETHER WITH SC9149 DESCRIPTION The SC9148B is CMOS LSI developed for use on the infrared remote control transmitter. This LSI has 18 functions, and total 75 commands can be transimitted : 63 commands by the continuous keys of multiple keyings is possible and 12 commands by the single shot keys. ...
Page 2
... =3. = =3. = =2. =3. =2. =3. OSC SC9148B Unit 6.0 V +0. 200 mW Min. Typ. Max. Unit 2.2 5.0 1.0 1.0 2.0 3 -1.0 1.0 -1.0 1 -500 50 -0.1 1.0 500 400 455 600 REV:2.1 2005.12.15 Page ...
Page 3
... Digit timing output terminal for key matrix. Terminal Terminal for matching code between transmitting Code bit input Terminal and receiving Test terminal Keep this terminal open Transmitting output Transmitting signal output. Modulation is made terminal by 12 bits 1 cycle and 38kHz carrier wave. SC9148B Function/operation REV:2.1 2005.12.15 Page ...
Page 4
... Continuous Continuous Single-shot Single-shot Single-shot SC9148B DATA Output Form Single-shot Single-shot Single-shot Single-shot Single-shot Single-shot ...
Page 5
... The time of each bit “ a” is decided as shown below by oscillation frequency fosc by means of XT and non-XT. a=(1/fosc) 192(sec) 6.2 DISTINCTION OF BIT “0” AND “1” One word of the above transmission command is in the configuration of (010100100100). HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SC9148B CODE BIT C1 C2 C1,C2 IS FOR SC9150A C3 ...
Page 6
... On this IC, when single-shot or continuous signal is transmitting, each bit is switching by a carrier of duty 1/3, output after the pulse modulated. Carrier(fc) is decided by oscillation frequency fosc by means of XT and non-XT, fc=fosc/12(Hz), fc=38kHz at fosc=455kHz. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SC9148B REV:2.1 2005.12.15 Page ...
Page 7
... APPLICATION CIRCUIT HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SC9148B REV:2.1 2005.12.15 Page ...
Page 8
... PACKAGE OUTLINE DIP-16-300-2.54 SOP-16-225-1.27 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SC9148B UNIT:mm UNIT:mm REV:2.1 2005.12.15 Page ...
Page 9
... MOS devices should be packed for dispatch in antistatic/conductive containers. Note: IC oscillator input mustn 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 SC9148B REV:2.1 2005.12.15 Page ...
Page 10
... ATTACHMENT Revision History Data REV 2000.12.31 1.0 Original Modify the “ SC9148A” to “ SC9148B” 2002.05.27 2.0 Modify the “ PACKAGE OUTLINE” 2002.09.10 2.1 Modify the “ APPLICATION CIRCUIT” HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Description REV:2.1 SC9148B Page 8 7 2005.12.15 ...