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Technical content

DESCRIPTION

PT4203 is encoder utilizing CMOS Technology specially designed for remote control applications. It has 220 Address. It can support up to 4 Data Bits and is housed in 8 pin SOP 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, PT4203’s intrinsic feature of being able to support 4 data bits considerably reduces inventory pressures.

APPLICATIONS

 Burglar alarm system  Car security system  Car/Garage door controller  Home/Office security system  Personal alarm system

FEATURES

 CMOS technology  Low power consumption  Least external components  High noise immunity  Single resistor oscillator  Operating voltage: 3.0V~14V  4 Data pins  220 address codes  Available in SOP package  Reduction of inventory pressures BLOCK DIAGRAM OTP Data/ Address

V1.1 2 January 2015 APPLICATION CIRCUIT

8 PINS

Warning: Be careful to use this above application circuit which will cause the VDD pin damaged.

V1.1 3 January 2015 ORDER INFORMATION Valid Part Number Package Type Top Code PT4203-S 8 Pins, SOP, 150mil PT4203-S PIN CONFIGURATION PIN DESCRIPTION Pin Name I/O Description Pin No. VDD - Positive power supply 1 VSS - Negative power supply 2 DOUT O Data output pin Normal=”Low” 3 D0, D1, D2, D3 I Data pin 7, 6, 5, 4 OSC I Oscillator pin 8

V1.1 8 January 2015 IMPORTANT NOTICE Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements, improvements, and other changes to its products and to discontinue any product without notice at any time. PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No circuit patent licenses are implied. Princeton Technology Corp. 2F, 233-1, Baociao Road, Sindian Dist, New Taipei City 23145, Taiwan Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw