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HT6P20D Datasheet

  • HT6P20D

  • OTP Encoder

  • 13頁

  • HOLTEK

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HT6P20X Series
2
24
OTP Encoder
Features
路
Operating voltage: 2V~12V
路
Low power consumption
路
Built-in oscillator needs only 5% resistor
路
0/2/4/8 data selectable
路
2
24
路
One time programmable process
路
Data active: D0~D7
路
Minimal external components
路
HT6P20A/B: 8-pin DIP/SOP package
maximum address and data codes
HT6P20D: 16-pin DIP/NSOP package
路
Easy interface with an RF or IR medium
Applications
路
Burglar alarm system
路
Smoke and fire alarm system
路
Garage door controllers
路
Car door controllers
路
Security system
路
Cordless telephones
路
Other remote control systems
General Description
The HT6P20X is a CMOS LSI encoder designed for re-
mote control system applications. It encodes 24 bits of
information and then serially transmits it via the DOUT
pin upon receipt of transmission enable (DATA pins:
D0~D7) signals. The combination of address and data
bits of the HT6P20X is designed using one time pro-
grammable process. In addition, the chip offers various
packaging for flexible combination of programmable ad-
dress/data so as to meet various applications. Its pro-
grammable address/data is transmitted together with
the anti-code bits via RF or infrared transmission me-
dium upon receipt of a trigger signal.
Block Diagram
O S C 1
O S C 2
V P P
S IO
O s c illa to r
A d d re s s
C o u n te 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 description.
Rev. 1.40
1
June 20, 2003

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