HT12A中文资料2¹² Series of Encoders数据手册Holtek规格书

描述 Description

The 212 encoders are a series of CMOS LSIs for remote control system applications. They are capable of encoding information which consists of N address bits and 12-N data bits. Each address/data input can be set to one of the two logic states. The programmed addresses/data are transmitted together with the header bits via an RF or an infrared transmission medium upon receipt of a trigger signal. The capability to select a TE trigger on the HT12E or a DATA trigger on the HT12A further enhances the application flexibility of the 212 series of encoders. The HT12A additionally provides a 38kHz carrier for infrared systems.

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特性 Features

• Operating voltage
• Low power and high noise immunity CMOS technology
• HT12A with a 38kHz carrier for infrared transmission medium
• Built-in oscillator needs only 5% resistor
• Minimal external components
• 18-pin DIP, 20-pin SOP package