312 Series of Encoders
Features
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Operating voltage: 2.4V~12V
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Built-in oscillator needs only 5% resistor
Easy interface with an RF or an infrared
transmission medium
Low power and high noise immunity CMOS
technology
Low standby current
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·
·
·
Minimal external components
Package information: refer to Selection
Table
Minimum transmission word
-
Four words for TE trigger
-
One word for Data trigger
Applications
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·
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Burglar alarm system
Smoke and fire alarm system
Garage door controllers
Car alarm system
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Security system
Cordless telephones
Other remote control systems
General Description
The 312 encoders are a series of CMOS LSIs for
remotecontrolsystemapplications. Theyareca-
pable of encoding 12 bits of information which
consists of N address bits and 12-N data bits.
Each address/data input is externally trinary
programmableifbondedout.Theyareotherwise
set floating internally. Various packages of the
312 encoders offer flexible combinations of
programmable address/data which meet vari-
ous applications. The programmable ad-
dress/dataistransmittedtogetherwiththeheader
bitsviaanRForaninfraredtransmissionmedium
upon receipt of a trigger signal. A TE (HT6010) or
a DATA (HT6012/HT6014) trigger can be se-
lectedforapplicationflexibility.
Selection Table
Function
Address Address/ Data
No.
LED
Indicator
Oscillator
Trigger
Package
18/20 DIP
20 SOP
No.
Data No.
Part No.
HT6010
8
4
0
RC oscillator
TE
No
HT6012
HT6014
10
8
0
0
2
4
RC oscillator
RC oscillator
D10~D11
D8~D11
Yes
Yes
18 DIP/20 SOP
18 DIP/20 SOP
Note: Address/Data represents addressable pins or data according to the requirements of decoders.
1
December 13, 1999