供应机顶盒芯片 HT6222

D*CRIPTION
The HT6221/HT6222 are CMOS LSI encoders designed for use in remote control systems. They are capable of encoding 16-bit address codes and 8-bits data codes. Each address/data input can be set to one of the two logic states, 0 and 1.
The HT6221/HT6222 contain 32 keys (K1~K32) and 64 keys (K1 ~ K64), respectively. When one of the keys is triggered, the programmed address/data is tran*itted together with the header bits via an IR (38kHz carrier) tran*ission medium.

KEY FEATUR*
.Television and video c*ette recorder controllers
.Burglar alarm systems
.Smoke and fire alarm systems
.Garage door controllers
.Car door controllers
.Car alarm systems
.Security systems
.Other remote control systems

 
APPLICATIONS
.Operating voltage: 1.8 ~3.5V
.DOUT with 38kHz carrier for IR medium
.Low standby current
.Minimum tran*ission word: one word
.455kHz ceramic resonator or crystal
.16-bit address codes
.8-bit data codes
.PPM code method
.Three double-active keys
.Maximum active keys
-HT6221:32keys
-HT6222:64keys
.Low power and high nose immunity
CMOS technology