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| 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'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. Programmable Encoder IC Pin Configurations 1 VSS 2 VPG S0 3 PGM VDD 4 DOUT D1/CODE OSC PT2240 D0/CLK D1/CODE D2 1 VSS D3 2 PGM 3 D2 PINS) 4 D1/CODE Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2240 VSS S1 VPG D7 D6 D5 D4 PGM 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 8 7 6 5 VDD DOUT OSC D0/CLK (8 PINS) 8 7 6 5 VDD DOUT OSC D0/CLK PT2240 (16 PT2240-D3 (8 PINS) Application Circuits 12V + _ Vss S1 VPG D7 D6 D5 D4 PGM S0 VDD DOUT OSC D0/CLK D1/CODE D2 D3 Rosc RF Figure 1: PT2240 (8 Data) Application Circuit Note: In order that IC protection is assured, please make sure that a diode is connected between the battery and the VDD. If the diode is not connected and the battery polarity was inverted, then the IC will fail. PT2240 v 1.4 Page 2 Revised Nov.1999 Princeton Technology Corp. Programmable Encoder IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2240 12V + _ Vss VPG PGM VDD DOUT OSC Rosc RF D1/CODE D0/CLK PT2240 (8 PINS) Figure 2: PT2240 (8-pin) Application Circuit Note: In order that IC protection is assured, please make sure that a diode is connected between the battery and the VDD. If the diode is not connected and the battery polarity was inverted, then the IC will fail. 12V + _ Vss PGM D2 VDD DOUT OSC Rosc RF D1/CODE D0/CLK PT2240-D3 (8 PINS) Note: In order that IC protection is assured, please make sure that a diode is connected between the battery and the VDD. If the diode is not connected and the battery polarity was inverted, then the IC will fail. PT2240 v 1.4 Page 3 Revised Nov.1999 Princeton Technology Corp. Programmable Encoder IC Order Information Valid Part Number PT2240-D3 PT2240P-D3 PT2240-D3S PT2240P-D3S PT2240 PT2240-S PT2240P PT2240P-S PT2240-16 PT2240-16S PT2240P-16 PT2240P-16S Package 8 Pins, DIP 8 Pins, DIP 8 Pins, SOP (150 mil) 8 Pins, SIP (150 mil) 8 Pins, DIP 8 Pins, SOP (150 mil) 8 Pins, DIP 8 Pins, SOP (150 mil) 16 Pins, DIP 16 Pins, SOP (150 mil) 16 Pins, DIP 16 Pins, SOP (150 mil) Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2240 Address Codes Programmable Programmed Programmable Programmed Programmable Programmable Programmed Programmed Programmable Programmable Programmed Programmed PT2240 v 1.4 Page 4 Revised Nov.1999 |
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