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HT614 参数 Datasheet PDF下载

HT614图片预览
型号: HT614
PDF下载: 下载PDF文件 查看货源
内容描述: 318系列的解码器 [318 Series of Decoders]
分类和应用: 解码器
文件页数/大小: 12 页 / 153 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
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HT604L/HT614/HT692
3
18
Series of Decoders
Features
·
Operating voltage: 2.4V~12V
·
Low power and high noise immunity CMOS
·
Built-in oscillator needs only a 5% resistor
·
Valid transmission indicator
·
Easy interface with an RF or an infrared transmission
technology
·
Low standby current
·
Capable of decoding 18 bits of information
·
9~10 address pins
·
2~8 data pins
·
Trinary address setting
·
Two times of receiving check
medium
·
Minimal external components
·
Pair with Holtek¢s 3
18
series of encoders
·
HT604L/HT614: 20-pin DIP/SOP package
HT692: 18-pin DIP package
Applications
·
Burglar alarm system
·
Smoke and fire alarm system
·
Garage door controllers
·
Car door controllers
·
Car alarm system
·
Security system
·
Cordless telephones
·
Other remote control systems
General Description
The 3
18
decoders are a series of CMOS LSIs for remote
control system applications. They are paired with the 3
18
series of encoders. For proper operation, a pair of en-
coder/decoder pair with the same number of address
and data format should be selected (refer to the en-
coder/decoder cross reference tables).
The 3
18
series of decoders receive serial address and
data from that series of encoders that are transmitted by
a carrier using an RF or an IR transmission medium. It
then compares the serial input data twice continuously
with its local address. If no errors or unmatched codes
are encountered, the input data codes are decoded and
then transferred to the output pins. The VT pin also goes
high to indicate a valid transmission.
The 3
18
decoders are capable of decoding 18 bits of in-
formation that consists of N bits of address and 18-N
bits of data. To meet various applications they are ar-
ranged to provide a number of data pins whose range is
from 0 to 8 and an address pin whose range is from 8 to
18. In addition, the 3
18
decoders provide various combi-
nations of address/data number in different packages.
Selection Table
Function Address
No.
Part No.
HT604L
HT614
HT692
Note:
10
10
10
Data
VT
No.
4
4
2
Type
L
M
M
Ö
Ö
Ö
RC oscillator
RC oscillator
RC oscillator
DIN active
²Hi²
DIN active
²Hi²
DIN active
²Hi²
20DIP/SOP
20DIP/SOP
18DIP
Oscillator
Trigger
Package
Data type: M stands for momentary type data output.
L stands for latch type data output.
VT can be used as a momentary data output.
Rev. 1.10
1
January 24, 2003