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| SilvanChipElectronicsTech.Co.,Ltd. Address: Fl.16 FuChang Building,Binhe Rd,Shenzhen,China www..com Phone: 86-0755-88291843 E-mail: jja@sc-tech.cn 88304213 Fax 86-0755-88290509 Http:// www.sc-tech.cn SilvanChipElectronicsTech.Co.,Ltd. Address: Fl.16 FuChang Building,Binhe Rd,Shenzhen,China SC2272 PIN Description (Compatible:PT2272) (Definition: "1" Vcc "0" Vss "F" Floating ) A0-A5 address pin tri-state adds. "0""1"" F " A6/D5- A11/D0 address or data pin data output "0" ,"1" Din received signal input this pin Osci oscillator input pin Osco oscillator output pin Vt if received valid signal will "1" Vcc power positive 2- 6 V Vss power negative www..com SC2272 Characteristics (Compatible:PT2272) Vcc -0.3- 5 V Vo -0.3- Vcc+0.3 V Icc max 0.02 uA / Ioh min -3 mA /Vcc 5 V Iol min 2 Ma /Vcc 5V Vih min 0.7Vcc Vi -0.3- Vcc+0.3 V Pmax 150 mW Osc "F" A0-A11 "F" Vil max 0.3Vcc SC2272 Functions description (Compatible:PT2272) SC2272 decode signal from Din pin. If the code from SC2262 valid same as SC2272 set and received two times,the data pins will be "1"or "0" same as SC2262 data pins and will drive the confirm pin Vt to "1". The SC2272 code same as SC2262 means: 1 the address pin state of SC2272 same as SC2262 . 2 the oscillator frequency of SC2272 coordinate SC2262 SC2272 Code Description (Compatible:PT2272) 1 There are 12 A/D BIT and 1 SYNC BIT in one frame Phone: 86-0755-88291843 E-mail: jja@sc-tech.cn 88304213 Fax 86-0755-88290509 Http:// www.sc-tech.cn SilvanChipElectronicsTech.Co.,Ltd. Address: Fl.16 FuChang Building,Binhe Rd,Shenzhen,China 2 3 www..com "F" BIT only for address bit order A0 A1 A2 A3 A4 A5 A6/D5 A7/D4 A8/D3 A9/D2 A10/D1 A11/D0 SYNC SC2272 Single resistor oscillator (Compatible:PT2272) Outside resistor with inside circuit become oscillator. SC2262 and SC2272 oscillator coordinate as follow: SC2262 Rosc 4.7M SC2272 Rosc 820K 1.2M 220K 1.5M 270K SC2272 Latch and momentary output (Compatible:PT2272) SC2272 APPLICATIONS CIRCUIT (Compatible:PT2272) Phone: 86-0755-88291843 E-mail: jja@sc-tech.cn 88304213 Fax 86-0755-88290509 Http:// www.sc-tech.cn |
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