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HT6280 Datasheet

Part Number HT6280
Manufacturers Holtek Microelectronics
Logo Holtek Microelectronics
Description Car Alarm Decoder
Datasheet HT6280 DatasheetHT6280 Datasheet (PDF)

HT6280 Car Alarm Decoder Features • Operating voltage: 3V~5V • Low power dissipation and high noise im- munity CMOS technology • A built-in oscillator with only a 5% resistor • 312 trinary address codes • 6 decoder control data outputs General Description The HT6280 is an 18-bit decoder CMOS LSI designed for use in remote control car alarm system. When complemented by one of the TE triggered HT600/HT640/HT680 or DATA triggered HT6187/HT6207/HT6247 encoder ICs from a range of 318 series of encod.

  HT6280   HT6280






Car Alarm Decoder

HT6280 Car Alarm Decoder Features • Operating voltage: 3V~5V • Low power dissipation and high noise im- munity CMOS technology • A built-in oscillator with only a 5% resistor • 312 trinary address codes • 6 decoder control data outputs General Description The HT6280 is an 18-bit decoder CMOS LSI designed for use in remote control car alarm system. When complemented by one of the TE triggered HT600/HT640/HT680 or DATA triggered HT6187/HT6207/HT6247 encoder ICs from a range of 318 series of encoders, a complete remote car alarm system can be formed. The details on the 318 encoders can be found in the relevant databook encoder section. • 3 local alarm trigger inputs: – TRIG, AL+, AL- • A valid transmission indicator (LED) • ACC disarms the whole car alarm system • Easily interface with an RF or an IR medium After receiving the 18 bits of information from the encoder the HT6280 interprets the first 12 bits as address and the last 6 bits as control signal data. If these received 12 bits of address matches that of the locally set address then the 6 data bits are latched and the control function executed. Three types of control function are incorporated in the device, these are arm/disarm, panic and power on/off. The HT6280 also provides 3 momentary data outputs for other user defined special purposes. 1 12th Apr ’96 Pin Assignment HT6280 2 12th Apr ’96 Block Diagram HT6280 Pin Description HT6280 — 40 Pins Pin No. Pin Name I/O Internal Connection Description 1 OSC2 I .


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