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PDF HT6026 Data sheet ( Hoja de datos )
| Número de pieza | HT6026 | |
| Descripción | Remote Control Encoder | |
| Fabricantes | Holtek Semiconductor Inc | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HT6026 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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HT6026
Remote Control Encoder
Features
• Operating voltage: 4V~18V
• Low standby current
• Low power and high noise immunity CMOS
technology
• 39 difference codes
Applications
• Burglar alarm system
• Smoke and fire alarm system
• Garage door controllers
• Car alarm system
General Description
The HT6026 is a CMOS LSI encoder designed for
use in remote control system. It is capable of
encoding 9 bits of information which consists of N
address bits and 9–N data bits. Each address/data
input is externally trinary programmable by ex-
ternal switches. The programmable address/data
Pin Assignment
• Two transmission words minimum
• Built-in oscillator needs only 5% resistor
• Interface with RF or infrared transmission
medium
• Minimal external components
• Security system
• Cordless telephones
• Other remote control systems
is transmitted along with the header bits via an
RF or an infrared transmission medium upon
receipt of a trigger signal (TE).
The HT6026 is pin compatible with the
MC145026.
Block Diagram
1 2nd Oct ’97
1 page  
HT6026
Address/data programming (preset)
The status of each address/data pin can be indi-
vidually pre-set to logic “high”, “low”, or “float-
ing”. If a transmission enable signal is applied,
the encoder scans and transmits the status of
9-bit address/data serially in the order AD0 to
AD8. But if the trigger signal is not applied, the
chip only consumes a standby current which is
less than 1µA (for VDD=5V).
The address pins are usually pre-set to transmit
data codes with their own particular security
codes by the DIP switches or PCB wiring, while
the data is selected by the push button or elec-
tronic switches.
The following figure demonstrates an applica-
tion using the HT6026:
The transmitted information is as listed:
Pilot
&
Sync.
AD0
1
AD1
Z
AD2
1
AD3
Z
Z: floating
AD4
Z
AD5
Z
AD6
0
AD7
1
AD8
Z
5 2nd Oct ’97
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HT6026.PDF ] | |
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