Princeton Technology Corp
.
Programmable Encoder IC
Description
Tel: 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2240
PT2240 is programmable encoder utilizing CMOS Technology specially designed for remote
control applications. It has a maximum of 22 Address which may be designed by a one-time
programmable process. It can support up to 8 Data Bits and is housed in 8 or 16-pin DIP or SO
Package. It encodes address and data codes into a coded waveform suitable for RF modulation.
The pin assignments and application circuit are optimized for easy PCB Layout and cost saving
advantage. Furthermore, PT2240鈥檚 intrinsic feature of being able to support 2/3/4/6/8 data bits
considerably reduces inventory pressures.
Features
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CMOS Technology
Low Power Consumption
Least External Components
High Noise Immunity
Single Resistor Oscillator
Operating Voltage: 1.8~15 V
Up to 8 Data Pins
Up to 2
22
Address Codes
One-Time Programmable Process
Available in SO or DIP Package
Reduction of Inventory Pressures
Applications
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Burglar Alarm System
Car Security System
Car/Garage Door Controller
Home/Office Security System
Personal Alarm System
PT2240 v 1.4
Page 1
Revised Nov.1999
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