SC7461-103

Silan Semiconductors INFRARED REMOTE CONTROL TRANSMITTER DESCRIPTION The SC7461 is a remote control transmitter utilizing CMOS Technology specially designed for infrared applications. It is capable of controlling 32 function keys and 3 double keys. SC7461 is housed in 24 pins, SO Package and provides 13 bits Custom Code. SC7461 FEATURES * CMOS Technology * Low Power Consumption * 32+3 Function Keys * Least External Components * Wide range of operating voltage: VDD=2.0~5.5V * Double key operation(No order of priority given) * On-Chip Oscillator can be constructed using an externally connected ceramic resonator * Up to 64 Custom Codes may be selected externally for SC7461 SOP-24 ORDERING INFORMATION Part No. SC7461 Package SOP-24-375-1.27 APPLICATIONS * TV and VCR * Audio Equipment * Audio Cassette Deck * Air Conditioner * Multi-Media DVD Player ORDERING INFORMATION Valid Part Number SC7461-100 SC7461-101 SC7461-103 SC7461-104 Package SOP-24 SOP-24 SOP-24 SOP-24 Custom Code in Mask ROM C6~C12=1000000 C6~C12=0000000 C6~C12=0010000 C6~C12=1010000 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 2.2 2002-02-28. 1 Silan Semiconductors PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 24 23 22 21 20 SC7461 KI0 KI1 KI2 KI3 C4 C5 OUT VDD TEST OSCI C3 C2 C1 C0 KO0 KO1 KO2 KO3 KO4 KO5 KO6 KO7 SC7461 19 18 17 16 15 14 13 OSCO 11 Vss 12 BLOCK DIAGRAM OSCI OSCO VDD VSS 10 KI0 KI1 KI2 KI3 11 8 Output Circuit 12 7 21 OUT C0 C1 C2 C3 C4 C5 1 OSC Circuit 2 3 4 Key Input Scan Circuit Timing Generation &Control Circuit Custom Code Register 22 23 24 5 Code Generation Circuit Key Output Timing Signal Generator 6 13 KO7 9 TEST 20 KO0 19 KO1 18 KO2 17 KO3 16 KO4 14 KO5 14 KO6 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 2.2 2002-02-28. 2 Silan Semiconductors ABSOLUTE MAXIMUM RATING (Tamb=25°C, unless otherwise specified) Characteristic Maximum Supply Voltage Input Voltage Output Voltage Output Current Allowable Power Dissipation Storage Temperature Operating Temperature SC7461 Description VDD Each Input pin -OUT Ta