Datasheet > HT658-S

HT658-S

更新时间： 2024-09-28 05:38:43

品牌	Logo	应用领域
其他 - ETC		远程控制
页数	文件大小	规格书
6页	168K
描述
CMOS LSI for remote control system applications

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HT658-S 数据手册

Holtek HT658/S Data Sheet

WIRELESS MADE SIMPLE

FEATURES

• Operating voltage: 2.4V~12V

• Low power and high noise immunity CMOS

technology

• Low standby current

• Capable of decoding 18 bits of information

• Pairs with HOLTEK’s HT640 encoder

• 10 address pins

• 8 data pins

• Trinary address setting

• Two times of receiving check

• Built-in oscillator needs only a 5% resistor

• Valid transmission indictor

• Easily interface with an RF or an infrared

transmission medium

• Minimal external components

APPLICATIONS

• Burglar alarm system

• Smoke and fire alarm system

• Garage door controllers

• Car door controllers

• Car alarm system

• Security system

• Cordless telephones

• Other remote control systems

GENERAL DESCRIPTION

The HT658/S decoder is a CMOS LSI for remote control system applications. It is paired with the

HT640/S encoder. The HT658 decoder receives serial address and data from the encoder that are

transmitted by a carrier using an RF or an IR transmission medium. It then compares the serial input

data twice continuously with its local address. If no errors or unmatched codes are encountered, the

input data codes are decoded and then transferred to the output pins. The VT pin also goes high to

indicate a valid transmission. The decoder is capable of decoding 18 bits of information that consists

of 10 bits of address and 8 bits of data.

Note:

This product is manufactured and supported by Holtek Semiconductor. This data sheet is provided as a courtesy to Linx customers

and is believed to be accurate at the time of publication, however these specifications may change at any time without notice. Linx

Technologies makes no representation as to the accuracy or suitability of this information for any purpose. For more information

please contact Holtek at www.holtek.com.

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