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Partname:HT640
Description:Encoder for burglar alarm system, car door controllers and etc.
Manufacturer:Holtek Semiconductor Inc.
Package:SOP
Pins:24
Oper. temp.:-20 to 75
Datasheet:PDF (155K).
Click here to download *)

The 3 encoders are a series of CMOS LSIs for remote control system applications. They are capable of encoding 18 bits of information which consists of N address bits and 18-N data bits. Each address/data input is externally trinary programmable if bonded out. It is otherwise set floating internally. Various packages of 18

Click here to download HT640 Datasheet
Click here to download HT640 Datasheet
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