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HT6P20 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT6P20 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
1 / 9 page HT6P20 224 OTP Encoder Block Diagram Note: Address/Data numbers are available in various combinations, refer to the functional descrip tion. 1 May 2, 2000 Features · Operating voltage: 2V~12V · Low power consumption · Built-in oscillator needs only 5% resistor · 0/2/4/8 data selectable · 224 maximum address and data codes · Easy interface with an RF or IR medium · One time programmable process · Data active: D0~D7 · Minimal external components · HT6P20/A/B: 8-pin DIP/NSOP package HT6P20/D: 16-pin DIP/NSOP package General Description The HT6P20 is a CMOS LSI encoder designed for remote control system applications. It en- codes 24 bits of information and then serially transmits it via the DOUT pin upon receipt of transmission enable (DATA pins: D0~D7) sig- nals. The combination of address and data bits of the HT6P20 is designed using one time pro- grammable process. In addition, the chip offers various packaging for flexible combination of programmable address/data so as to meet vari- ous applications. Its programmable ad- dress/data is transmitted together with the anti-code bits via RF or infrared transmission medium upon receipt of a trigger signal. Applications · Burglar alarm system · Smoke and fire alarm system · Garage door controllers · Car door controllers · Security system · Cordless telephones · Other remote control systems Os c i l l a t o r P r ogr am m i ng Ci r c u i t C ont r o l U n i t A ddr es s C o unt e r D a ta L a t c h VP P SI O Mi x e r & Dr i v e r DO U T OS C 1 OS C 2 PG M D0 D7 |
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