PT2240

Princeton Technology Corp. Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Programmable Encoder IC PT2240 Description 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’s intrinsic feature of being able to support 2/3/4/6/8 data bits considerably reduces inventory pressures. Features 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 222 Address Codes One-Time Programmable Process Available in SO or DIP Package Reduction of Inventory Pressures Applications 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 Princeton Technology Corp. Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Programmable Encoder IC Pin Configurations PT2240 VSS 1 8 VDD VSS 1 16 S1 2 15 VPG 3 14 S0 VDD DOUT VPG PGM D1/CODE 2 3 4 7 6 5 DOUT OSC D0/CLK D7 4 13 D6 5...