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HT6P20 Datasheet

  • HT6P20

  • 224 OTP Encoder

  • 9頁

  • HOLTEK

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HT6P20
24
2 OTP Encoder
Features
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路
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Operating voltage: 2V~12V
Low power consumption
Built-in oscillator needs only 5% resistor
0/2/4/8 data selectable
2
24
maximum address and data codes
Easy interface with an RF or IR medium
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路
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One time programmable process
Data active: D0~D7
Minimal external components
HT6P20/A/B: 8-pin DIP/NSOP package
HT6P20/D: 16-pin DIP/NSOP package
Applications
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Burglar alarm system
Smoke and fire alarm system
Garage door controllers
Car door controllers
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Security system
Cordless telephones
Other remote control systems
General Description
The HT6P20 is a CMOS LSI encoder designed
for remote control system applications. It en-
codes 24 bits of information and then serially
transmits it via the DOUT pin upon receipt of
transmission enable (DATA pins: D0~D7) sig-
nals. The combination of address and data bits
of the HT6P20 is designed using one time pro-
grammable process. In addition, the chip offers
various packaging for flexible combination of
programmable address/data so as to meet vari-
ous applications. Its programmable ad-
dress/data is transmitted together with the
anti-code bits via RF or infrared transmission
medium upon receipt of a trigger signal.
Block Diagram
O S C 1
O S C 2
V P P
S IO
A d d re s s
C o u n te r
O s c illa to r
P r o g r a m m in g
C ir c u it
M ix e r &
D r iv e r
D O U T
C o n tr o l U n it
D a ta L a tc h
P G M
D 0
D 7
Note: Address/Data numbers are available in various combinations, refer to the functional descrip
tion.
1
May 2, 2000

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