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TC9243APG

Toshiba
Part Number TC9243APG
Manufacturer Toshiba
Description Infrared Remote-Control Signal Transmission LSI
Published Jan 21, 2021
Detailed Description TC9243APG/AFG TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9243APG, TC9243AFG Infrared Remote-Control Si...
Datasheet PDF File TC9243APG PDF File

TC9243APG
TC9243APG

Overview
TC9243APG/AFG TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9243APG, TC9243AFG Infrared Remote-Control Signal Transmission LSI The TC9243APG and TC9243AFG are infrared remote-control signal transmission LSIs suitable for remote control of audio systems, TVs, VTRs, CD players, etc.
Features • Wide range of operating supply voltages, enabling low-voltage operation: VDD = 2.
0 to 4.
0 V • Thirty-two (32) basic functions are available.
Support of multiple keying enables up to 112 instructions (28 × 4) to be output.
• Interference with other equipment can be prevented because seven (7) bits out of eight (8) bits of system code are presettable.
• Equipped with transmission display output pin.
• Low current dissipation: IQD ≤ 1 µA (during standby) • Two types of package, DIP and flat type, are available: DIP20: TC9243APG SOP20: TC9243AFG Pin Assignment TC9243APG TC9243AFG Weight DIP20-P-300-2.
54A: 1.
4 g (typ.
) SOP20-P-300-1.
27: 0.
48 g (typ.
) 1 2005-02-25 Block Diagram TC9243APG/AFG Pin Function Pin No.
1 20 2 3 4 Symbol Pin Name GND VDD XT XT Power Terminal Oscillator Terminal RST Reset Input 5~12 K0~K7 Key Inputs 13~16 T0~T3 Key Scan Output 17 CODE Code Scan Output 18 TXON Transmission Display Output 19 TXOUT Transmission Output Function and Operation For applying the supply voltage (VDD = 2.
0 to 4.
0 V) Input/output terminals for the ceramic oscillators, with built-in amplifier circuit and feedback resistor When this pin is set at “L” level, the inside is initialized.
Equipped with a built-in pull-up resistor.
Input terminals for the key matrix.
Each pin has a built-in pull-down resistor.
Key matrix scan output terminals.
CMOS output.
Scan output terminals for code setting.
P-ch open drain output.
Transmission display LED driving output terminal Infrared LED driving output terminal 2 2005-02-25 Operations TC9243APG/AFG 1.
Key Matrix The TC9243APG and TC9243AFG enable the setting of a maximum of thirty-two (32) keys through combi...


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